B
Bald Cypress, 63, 64.
Balsam, 125.
Balsam Cottonwood, 126.
Balsam Fir, 51, 52, 53.
Balsam, She, 51.
Bark, Cinnamon, 753.
Bark, Georgia, 876.
Basket Oak, 304.
Bass Wood, 732, 733.
Batodendron, 803.
Batodendron glaucescens, 803.
Bay, 751.
Bay, Loblolly, 751.
Bay, Red, 357.
Bay, Rose, 792.
Bay, Swamp, 346, 358.
Bay, Sweet, 346.
Bayonet, Spanish, 111, 112.
Bean, Coral, 616.
Bean, Horse, 611.
Bean, Indian, 871.
Bean, Screw, 602.
Bearberry, 725.
Bear Oak, 254.
Bechtel Crab, 388.
Beech, 228.
Beech, Blue, 201.
Berry, Service, 394, 395, 396.
Betula, 205.
Betula alaskana, 217.
Betula cœrulea, 211.
Betula cœrulea var. Blanchardii, 212.
Betula commixta, 218.
Betula Eastwoodæ, 219.
Betula fontinalis, 218.
Betula fontinalis var. Piperi, 219.
Betula Jackii, 207.
Betula kenaica, 216.
Betula lenta, 206.
Betula lutea, 207.
Betula montanensis, 214.
Betula nigra, 208.
Betula occidentalis, 215.
Betula papyrifera, 212.
Betula papyrifera var. cordifolia, 213.
Betula papyrifera var. elobata, 212.
Betula papyrifera var. kenaica, 216.
Betula papyrifera var. minor, 213.
Betula papyrifera var. montanensis, 214.
Betula papyrifera var. occidentalis, 215.
Betula papyrifera var. subcordata, 214.
Betula pendula, 205, 212.
Betula Piperi, 219.
Betula populifolia, 210.
Betula populifolia var. laciniata, 211.
Betula populifolia var. purpurea, 211.
Betula Purpusii, 208.
Betula Sandbergii, 213.
Betula Sandbergii f. maxima, 213.
Betula subcordata, 214.
Betulaceæ, 200.
Beureria, 861.
Beureria havanensis, 861.
Beureria ovata, 861.
Bignoniaceæ, 868.
Big Shellbark, 186.
Big Tree, 62.
Big Tree Plum, 565.
Billia, 702.
Bilsted, 367.
Birch, 205.
Birch, Black, 206, 216, 218.
Birch, Blue, 211.
Birch, Canoe, 212.
Birch, Cherry, 206.
Birch, Gray, 207, 210.
Birch, Paper, 212.
Birch, Red, 208, 216.
Birch. River, 208, 218.
Birch, West Indian, 646.
Birch, White, 210, 217.
Birch, Yellow, 207.
Bird Cherry, 571.
Bitternut, 180.
Bitter Pecan, 179.
Bitter-Sweet Orange, 633.
Black Ash, 852.
Black Birch, 206, 216, 218.
Black Calabash Tree, 873.
Black Cottonwood, 124, 126.
Black Haw, 812, 889, 890.
Black Hemlock, 46.
Black Ironwood, 721.
Black Jack Oak, 258.
Black Mangrove, 866.
Black Maple, 693.
Black Oak, 246, 250, 251, 274.
Black Oaks, 238.
Black Olive-tree, 765.
Black Persimmon, 823.
Black Sloe, 558.
Black Spruce, 35.
Black Walnut, 171.
Black Willow, 140, 160.
Blolly, 341.
Blue Ash, 851.
Blue Beech, 201.
Blue Birch, 211.
Blue Jack Oak, 265.
Blue Myrtle, 727.
Blue Oak, 283.
Blue Spruce, 39.
Borraginaceæ, 858.
Bow Wood, 332.
Box Elder, 699.
Box Wood, 680.
Brittle Thatch, 99, 100.
Broad-leaved Maple, 687.
Broussonetia papyrifera, 328.
Brown Ash, 852.
Bucida, 765.
Bucida Buceras, 765.
Buckeye, 709, 710, 711.
Buckeye, Fetid, 703.
Buckeye, Ohio, 703.
Buckeye, Red-flowered, 707.
Buckeye, Spanish, 717.
Buckeye, Sweet, 704.
Buckthorn, 815.
Bull Pine, 12, 20.
Bumelia, 812.
Bumelia angustifolia, 816.
Bumelia lanuginosa, 813.
Bumelia lanuginosa var. albicans, 813.
Bumelia lanuginosa var. rigida, 814.
Bumelia lycioides, 815.
Bumelia monticola, 814.
Bumelia tenax, 812.
Burning Bush, 675.
Burr Oak, 290.
Bursera, 645.
Bursera microphylla, 647.
Bursera Simaruba, 646.
Burseraceæ, 645.
Bush, Burning, 675.
Bush, Button, 878.
Bush, Shad, 394.
Bush, Stag, 889.
Bustic, 811.
Butternut, 169.
Button Bush, 878.
Buttonwood, 372, 766, 767.
Byrsonima, 632.
Byrsonima lucida, 632.
C
Cabbage Palmetto, 102.
Cabbage Tree, 102.
Cactaceæ, 757.
Calabash Tree, Black, 873.
California Laurel, 361.
California Lilac, 727.
California Nutmeg, 92.
Calyptranthes, 769.
Calyptranthes pallens, 769.
Calyptranthes Zuzygium, 770.
Camellia Thea, 750.
Camptotheca, 779.
Canada Plum, 560.
Canella, 753.
Canella Winterana, 753.
Canellaceæ, 753.
Canoe Birch, 212.
Canoe Cedar, 68.
Canotia, 677.
Canotia holacantha, 678.
Capparidaceæ, 365.
Capparis, 365.
Capparis jamaicensis, 365.
Capparis spinosa, 365.
Caprifoliaceæ, 882.
Carica, 755.
Carica Papaya, 756.
Caricaceæ, 755.
Carolina Poplar, 137.
Carpinus, 201.
Carpinus Betulus, 201.
Carpinus caroliniana, 201.
Carya, 176.
Carya alba, 188.
Carya alba var. subcoriacea. 189.
Carya aquatica, 181.
Carya aquatica var. australis, 182.
Carya arkansana, 198.
Carya Brownii, 181.
Carya Brownii var. varians, 181.
Carya Buckleyi, 197.
Carya Buckleyi var. arkansana, 189.
Carya Buckleyi var. arkansana f. pachylemma, 199.
Carya Buckleyi var. villosa, 199.
Carya carolinæ-septentrionalis, 185.
Carya cordiformis, 180.
Carya cordiformis var. latifolia, 180.
Carya Dunbarii, 187.
Carya floridana, 196.
Carya glabra, 191.
Carya glabra var. megacarpa, 192.
Carya glabra var. villosa, 199.
Carya laciniosa, 186.
Carya Laneyi, 181.
Carya Laneyi var. chateaugayensis, 181.
Carya leiodermis, 189.
Carya leiodermis var. callicoma, 190.
Carya megacarpa, 192.
Carya microcarpa, 194, 195.
Carya myristicæformis, 182.
Carya Nussbaumerii, 187.
Carya ovalis, 193.
Carya ovalis var. borealis, 195.
Carya ovalis var. hirsuta, 195.
Carya ovalis var. obcordata, 194.
Carya ovalis var. obovalis, 195.
Carya ovalis var. odorata, 195.
Carya ovata, 183.
Carya ovata var. complanata, 184.
Carya ovata var. ellipsoidalis, 184.
Carya ovata var. fraxinifolia, 185.
Carya ovata var. Nuttallii, 184.
Carya ovata var. pubescens, 184.
Carya pallida, 190.
Carya pecan, 177.
Carya porcina, 191.
Carya Schneckii, 189.
Carya texana, 179.
Carya texana, 197.
Carya villosa, 199.
Cassada, 811.
Cassena, 671.
Cassie, 592.
Castanea, 230.
Castanea alnifolia, 233.
Castanea alnifolia var. floridana, 233.
Castanea crenata, 230.
Castanea dentata, 231, 232.
Castanea mollissima, 230.
Castanea neglecta, 232.
Castanea pumila, 232.
Castanea sativa, 230.
Castanopsis, 234.
Castanopsis chrysophylla, 234.
Castanopsis chrysophylla var. minor, 235.
Castanopsis sempervirens, 234.
Catalpa, 870, 871.
Catalpa bignonioides, 871.
Catalpa bignonioides var. nana, 872.
Catalpa Bungei, 872.
Catalpa Catalpa, 871.
Catalpa hybrida, 872.
Catalpa speciosa, 872.
Catalpa, Western, 872.
Cat’s Claw, 586, 594, 595.
Ceanothus, 726.
Ceanothus arboreus, 727.
Ceanothus spinosus, 728.
Ceanothus thyrsiflorus, 727.
Cedar, 87.
Cedar, Canoe, 68.
Cedar Elm, 314.
Cedar, Incense, 65.
Cedar Pine, 25.
Cedar, Port Orford, 77.
Cedar, Red, 68, 88, 89, 90.
Cedar, Rock, 87.
Cedar, Stinking, 91.
Cedar, Sweet-berried, 82.
Cedar, White, 67, 75.
Celastraceæ, 674.
Celtis, 318.
Celtis brevipes, 324.
Celtis canina, 320.
Celtis crassifolia, 320.
Celtis Douglasii, 321.
Celtis Helleri, 322.
Celtis lævigata, 323.
Celtis lævigata var. anomala, 324.
Celtis lævigata var. brachyphylla, 324.
Celtis lævigata var. brevipes, 324.
Celtis lævigata var. texana, 325.
Celtis lævigata var. texana f. microphylla, 326.
Celtis Lindheimeri, 322.
Celtis mississippiensis, 323.
Celtis occidentalis, 319.
Celtis occidentalis var. canina, 320.
Celtis occidentalis var. crassifolia, 320.
Celtis pumila, 326.
Celtis pumila var. georgiana, 326.
Celtis reticulata, 323.
Celtis reticulata var. vestita, 323.
Celtis rugulosa, 321.
Cephalanthus, 878.
Cephalanthus occidentalis, 878.
Cephalanthus occidentalis var. pubescens, 879.
Cerasus demissa, 574.
Cercidium, 613.
Cercidium floridum, 614.
Cercidium Torreyanum, 615.
Cercis, 603.
Cercis canadensis, 604.
Cercis reniformis, 604.
Cercis texensis, 604.
Cercocarpus, 550.
Cercocarpus alnifolius, 552.
Cercocarpus betuloides, 553.
Cercocarpus eximius, 554.
Cercocarpus ledifolius, 553.
Cercocarpus parvifolius, 552.
Cercocarpus parvifolius var. betuloides, 553.
Cercocarpus paucidentatus, 554.
Cercocarpus Traskiæ, 551.
Cereus, 757.
Cereus giganteus, 758.
Chamæcyparis, 75.
Chamæcyparis Lawsoniana, 77.
Chamæcyparis nootkatensis, 76.
Chamæcyparis obtusa, 75.
Chamæcyparis pisifera, 75.
Chamæcyparis thyoides, 75.
Chapote, 823.
Checkered-bark Juniper, 84.
Cherry, 555, 806.
Cherry Birch, 206.
Cherry, Bird, 571.
Cherry, Choke, 573.
Cherry, Indian, 724.
Cherry, Rum, 575.
Cherry, Wild, 572, 576, 577, 578.
Cherry, Wild Black, 575.
Cherry, Wild Red, 571.
Chestnut, 230, 231.
Chestnut, Golden-leaved, 234.
Chestnut Oak, 236, 305, 306.
Chestnut Oaks, 241.
Chickasaw Plum, 569.
Chilopsis, 869.
Chilopsis linearis, 869.
China-tree, 648.
China-tree, Wild, 714.
Chinquapin, 232, 233, 234.
Chionanthus, 855.
Chionanthus virginica, 855.
Chittam Wood, 657, 813.
Chloromeles, 379.
Choke Cherry, 573.
Cholla, 760.
Chrysobalanus, 583.
Chrysobalanus icaco, 583.
Chrysobalanus icaco var. pellocarpa, 584.
Chrysophyllum, 817.
Chrysophyllum Cainito, 817.
Chrysophyllum oliviforme, 818.
Chytraculia Chytraculia, 769.
Cinnamon Bark, 753.
Cinnamon, Wild, 753.
Citharexylon, 864.
Citharexylon fruticosum, 864.
Citharexylon fruticosum var. villosum, 864.
Citharexylon villosum, 864.
Citrus Aurantium, 633.
Cladrastis, 618.
Cladrastis lutea, 619.
Clammy Locust, 625.
Claw, Cat’s, 586, 594, 595.
Cliftonia, 667.
Cliftonia monophylla, 667.
Cocoa Plum, 583.
Coccolobis, 338.
Coccolobis laurifolia, 340.
Coccolobis uvifera, 339.
Coccothrinax, 100.
Coccothrinax jucunda, 100.
Coccothrinax jucunda var. macrosperma, 101.
Coccothrinax jucunda var. marquesensis, 101.
Cock-spur Thorn, 402.
Coffee-tree, 725.
Coffee-tree, Kentucky, 606.
Colorado Spruce, 39.
Colubrina, 729.
Colubrina arborescens, 731.
Colubrina Colubrina, 731.
Colubrina cubensis, 730.
Colubrina reclinata, 729.
Combretaceæ, 764.
Condalia, 719.
Condalia obovata, 719.
Conocarpus, 766.
Conocarpus erecta, 766.
Conocarpus erecta var. sericea, 766.
Coral Bean, 616.
Cordia, 858.
Cordia Boissieri, 860.
Cordia sebestena, 859.
Cork Elm, 311.
Cork Wood, 167.
Cornaceæ, 784.
Cornus alternifolia, 789.
Cornus asperifolia, 788.
Cornus florida, 785.
Cornus florida f. zanthocarpa, 786.
Cornus mas, 785.
Cornus Nuttallii, 787.
Cotinus, 657.
Cotinus americanus, 657.
Cotinus coggygria, 657.
Cotton Gum, 783.
Cottonwood, 128, 129, 131, 133, 135, 136.
Cottonwood, Balsam, 126.
Cottonwood, Black, 124, 126.
Cottonwood, Narrow-leaved, 127.
Cottonwood, Swamp, 124.
Cowania, 549.
Cowania Davidsonii, 549.
Cowania mexicana, 549.
Cowania Stansburiana, 549.
Cow Oak, 304.
Crab Apple, 380, 381, 382, 383, 384, 385, 387, 389.
Crab, Bechtel, 388.
Crab Wood, 654.
Crabs, Siberian, 379.
Cratægus, 397.
Cratægus acclivis, 496.
Cratægus acutifolia, 409.
Cratægus æstivalis, 434.
Cratægus æstivalis, 435, 436.
Cratægus æstivalis var. luculenta, 435.
Cratægus algens, 407.
Cratægus amnicola, 426.
Cratægus annosa, 524.
Cratægus anomala, 486.
Cratægus Anomalæ, 400.
Cratægus apiifolia, 530.
Cratægus apiomorpha, 457.
Cratægus aprica, 529.
Cratægus arborea, 412.
Cratægus arborescens, 443.
Cratægus arduennæ, 406.
Cratægus arkansana, 466.
Cratægus arnoldiana, 481.
Cratægus Ashei, 514.
Cratægus assurgens, 491.
Cratægus atrorubens, 446.
Cratægus basilica, 462.
Cratægus Beckwithæ, 454.
Cratægus berberifolia, 418.
Cratægus Berlandieri, 471.
Cratægus blanda, 442.
Cratægus Boyntonii, 508.
Cratægus Bracteatæ, 400.
Cratægus brachyacantha, 533.
Cratægus Brachyacanthæ, 400.
Cratægus brazoria, 430.
Cratægus Buckleyi, 509.
Cratægus Bushii, 410.
Cratægus callicarpa, 451.
Cratægus canadensis, 473.
Cratægus Canbyi, 403.
Cratægus champlainensis, 482.
Cratægus Chapmanii, 537.
Cratægus Coccineæ, 399.
Cratægus coccinea var. rotundifolia, 504.
Cratægus coccinioides, 503.
Cratægus Cocksii, 411.
Cratægus collina, 425.
Cratægus consanguinea, 519.
Cratægus cordata, 531.
Cratægus corusca, 474.
Cratægus crocina, 420.
Cratægus Crus-galli, 399, 402.
Cratægus Crus-galli var. capillata, 402.
Cratægus Crus-galli var. oblongata, 402.
Cratægus Crus-galli var. pyracanthifolia, 402.
Cratægus Crus-galli var. salicifolia, 402.
Cratægus dallasiana, 431.
Cratægus Davisii, 438.
Cratægus delecta, 497.
Cratægus denaria, 415.
Cratægus depilis, 461.
Cratægus Deweyana, 539.
Cratægus diffusa, 454.
Cratægus dilatata, 500.
Cratægus Dilatatæ, 399.
Cratægus disjuncta, 452.
Cratægus dispar, 528.
Cratægus Douglasianæ, 400.
Cratægus Douglasii, 545.
Cratægus Douglasii f. badia, 546.
Cratægus Douglasii var. Suksdorfii, 546.
Cratægus drymophila, 453.
Cratægus Eamesii, 498.
Cratægus edita, 416.
Cratægus edura, 419.
Cratægus Ellwangeriana, 484.
Cratægus Engelmanii, 413.
Cratægus erecta, 408.
Cratægus fastosa, 427.
Cratægus fecunda, 404.
Cratægus fera, 420.
Cratægus flava, 516.
Cratægus Flavæ, 400.
Cratægus floridana, 521.
Cratægus Gaultii, 537.
Cratægus gemmosa, 541.
Cratægus georgiana, 450.
Cratægus glabriuscula, 441.
Cratægus gravida, 467.
Cratægus Harbisonii, 513.
Cratægus Hillii, 490.
Cratægus Holmesiana, 495.
Cratægus Holmesiana var. tardipes, 496.
Cratægus Holmesiana var. villipes, 496.
Cratægus hudsonica, 502.
Cratægus ignava, 518.
Cratægus illinoiensis, 542.
Cratægus induta, 476.
Cratægus ingens, 447.
Cratægus integra, 526.
Cratægus integriloba, 543.
Cratægus Intricatæ, 400.
Cratægus invisa, 468.
Cratægus Jonesæ, 505.
Cratægus Kelloggii, 475.
Cratægus lacera, 460.
Cratægus lacrimata, 522.
Cratægus lanuginosa, 480.
Cratægus Lettermanii, 432.
Cratægus limaria, 469.
Cratægus lobulata, 493.
Cratægus lucorum, 459.
Cratægus luxuriosa, 455.
Cratægus Mackensenii, 469.
Cratægus macracantha, 544.
Cratægus Macracanthæ, 400.
Cratægus Margaretta, 506.
Cratægus Medioximæ, 453.
Cratægus meridionalis, 472.
Cratægus micracantha, 448.
Cratægus Microcarpæ, 400.
Cratægus mitis, 445.
Cratægus Mohrii, 421.
Cratægus Molles, 399.
Cratægus mollis, 464.
Cratægus mollita, 537.
Cratægus monogyna, 398.
Cratægus montivaga, 414.
Cratægus neo-londinensis, 489.
Cratægus nitida, 444.
Cratægus noelensis, 487.
Cratægus opaca, 436.
Cratægus opima, 512.
Cratægus ovata, 439.
Cratægus Oxyacantha, 398.
Cratægus Palmeri, 408.
Cratægus panda, 525.
Cratægus paucispina, 458.
Cratægus pausiaca, 424.
Cratægus pedicellata, 494.
Cratægus pedicellata var. gloriosa, 495.
Cratægus penita, 447.
Cratægus pennsylvanica, 483.
Cratægus pentandra, 458.
Cratægus peoriensis, 403.
Cratægus Phænopyrum, 531.
Cratægus pratensis, 433.
Cratægus Pringlei, 492.
Cratægus pruinosa, 449.
Cratægus Pruinosæ, 399.
Cratægus Pulcherrimæ, 400.
Cratægus punctata, 423.
Cratægus punctata var. aurea, 423.
Cratægus punctata var. canescens, 424.
Cratægus punctata var. microphylla, 424.
Cratægus Punctatæ, 399.
Cratægus pyriformis, 479.
Cratægus quercina, 478.
Cratægus Ravenelii, 523.
Cratægus recurva, 527.
Cratægus regalis, 405.
Cratægus rivularis, 546.
Cratægus Robbinsiana, 454.
Cratægus Robesoniana, 485.
Cratægus robur, 512.
Cratægus rotundifolia, 504.
Cratægus rotundifolia var. pubera, 505.
Cratægus Rotundifoliæ, 399.
Cratægus rufula, 435.
Cratægus saligna, 534.
Cratægus Sargentii, 510.
Cratægus scabrida, 547.
Cratægus senta, 523.
Cratægus sera, 465.
Cratægus sertata, 499.
Cratægus signata, 415.
Cratægus silvestris, 427.
Cratægus silvicola, 453.
Cratægus Silvicolæ, 399.
Cratægus sordida, 429.
Cratægus spathulata, 532.
Cratægus spathulata var. flavanthera, 532.
Cratægus spissiflora, 485.
Cratægus submollis, 484.
Cratægus suborbiculata, 501.
Cratægus succulenta, 540.
Cratægus Tenuifoliæ, 399.
Cratægus tersa, 417.
Cratægus texana, 477.
Cratægus tomentosa, 536.
Cratægus Treleasei, 472.
Cratægus tristis, 520.
Cratægus uniqua, 412.
Cratægus vegeta, 538.
Cratægus velutina, 442.
Cratægus venusta, 510.
Cratægus verruculosa, 428.
Cratægus viburnifolia, 470.
Cratægus Virides, 399.
Cratægus viridis, 438.
Cratægus virilis, 548.
Cratægus visenda, 517.
Cratægus vulsa, 440.
Crescentia cucurbitina, 873.
Cucumber-tree, 343.
Cucumber-tree, Large-leaved, 348.
Cucumber-tree, Long-leaved, 349.
Cupressus, 69.
Cupressus arizonica, 73, 75.
Cupressus arizonica var. bonita, 74.
Cupressus Bakeri, 72.
Cupressus glabra, 74.
Cupressus Goveniana, 70, 71.
Cupressus guadaloupensis, 73.
Cupressus Lawsoniana, 77.
Cupressus Macnabiana, 72.
Cupressus macrocarpa, 70.
Cupressus nevadensis, 72.
Cupressus nootkatensis, 76.
Cupressus pygmæa, 70.
Cupressus Sargentii, 71.
Cupressus sempervirens, 69.
Cupressus thyoides, 75.
Cypress, 69, 72, 73.
Cypress, Bald, 63, 64.
Cypress, Deciduous, 64.
Cypress, Lawson, 77.
Cypress, Monterey, 70.
Cypress, Sargent’s, 71.
Cypress, Sitka, 76.
Cypress, Tecate, 73.
Cypress, Yellow, 76.
Cyrilla, 666.
Cyrilla racemiflora, 666.
Cyrilla racemiflora var. parviflora, 667.
Cyrilla racemiflora var. racemifera, 667.
Cyrillaceæ, 665.
D
Dagger, Spanish, 112, 113, 114, 115, 117.
Dahoon, 670.
Dalea, 621.
Dalea spinosa, 621.
Darling Plum, 720.
Davidia, 779.
Deciduous Cypress, 64.
Desert Palm, 104.
Desert White Cedar, 82.
Desert Willow, 869.
Devil Wood, 857.
Dicotyledons, 118.
Digger Pine, 20.
Dilly, Wild, 819.
Diospyros, 820.
Diospyros texana, 823.
Diospyros virginiana, 821.
Diospyros virginiana var. Mosieri, 823.
Diospyros virginiana var. platycarpa, 822.
Diospyros virginiana var. platycarpa f. atra, 822.
Dipholis, 810.
Dipholis salicifolia, 811.
Dipteronia, 681.
Dogwood, 787, 788, 789.
Dogwood, Flowering, 785.
Dogwood, Jamaica, 629.
Dogwood, Poison, 663.
Douglas Spruce, 48.
Downward Plum, 816.
Drypetes, 650.
Drypetes diversifolia, 650.
Drypetes keyensis, 650.
Drypetes lateriflora, 651.
Dwarf Maple, 682.
E
Ebenaceæ, 820.
Ebony, 588.
Ehretia, 862.
Ehretia elliptica, 862.
Elder, 882.
Elder, Box, 699.
Elkwood, 347.
Elliottia, 791.
Elliottia racemosa, 791.
Elm, 308.
Elm, Cedar, 314.
Elm, Cork, 311.
Elm, English, 309.
Elm, Red, 313, 315.
Elm, Rock, 311.
Elm, Scotch, 309.
Elm, Slippery, 313, 750.
Elm, Water, 317.
Elm, White, 309.
Elm, Winged, 312.
Enallagma, 873.
Enallagma cucurbitina, 873.
Encina, 269.
Endothia parisitica, 230.
Engelmann Spruce, 38.
English Elm, 309.
Ericaceæ, 790.
Erythrina, 627.
Erythrina herbacea, 628.
Erythrina herbacea var. arborea, 628.
Eucalypti, Australian, 768.
Eugenia, 770.
Eugenia aromatica, 771.
Eugenia axillaris, 772.
Eugenia buxifolia, 771.
Eugenia confusa, 774.
Eugenia dicrana, 774.
Eugenia Jambos, 771.
Eugenia rhombea, 773.
Eugenia Simpsonii, 775.
Euphorbiaceæ, 649.
European Mountain Ash, 390.
Evergreen Oak, 282.
Evonymus, 675.
Evonymus atropurpureus, 675.
Exostema, 877.
Exostema caribæum, 877.
Exothea, 714.
Exothea paniculata, 715.
Eysenhardtia, 620.
Eysenhardtia orthocarpa, 620.
Eysenhardtia polystachya, 620.
F
Fagaceæ, 227.
Fagara clava-Herculis, 635.
Fagara coriacea, 637.
Fagara Fagara, 634.
Fagara flava, 636.
Fagus, 228.
Fagus americana, 228.
Fagus grandifolia, 228.
Fagus grandifolia var. caroliniana, 229.
Fagus grandifolia var. caroliniana f. mollis, 230.
Fagus sylvatica, 228.
Fan Palm, 104.
Farkleberry, 802.
Feltleaf Willow, 157.
Fetid Buckeye, 703.
Ficus, 333.
Ficus aurea, 334.
Ficus brevifolia, 335.
Ficus Carica, 333.
Ficus populnea, 335.
Fiddle Wood, 864.
Fig, 333, 335.
Fig, Wild, 334, 335.
Fir, 50.
Fir, Balsam, 51, 52, 53.
Fir, Red, 48, 57, 58, 59.
Fir, Silver, 60.
Fir, White, 54, 55, 56.
Firmiana simplex, 749.
Flowering Dogwood, 785.
Forestiera, 853.
Forestiera acuminata, 854.
Foxtail Pine, 7, 8.
Franklinia, 752.
Fraxinus, 833.
Fraxinus americana, 841.
Fraxinus americana f. iodocarpa, 841.
Fraxinus americana var. crassifolia, 841.
Fraxinus americana var. microcarpa, 841.
Fraxinus anomala, 837.
Fraxinus Berlandieriana, 847.
Fraxinus biltmoreana, 843.
Fraxinus caroliniana, 838.
Fraxinus chinensis, 833.
Fraxinus cuspidata, 834.
Fraxinus cuspidata var. macropetala, 834.
Fraxinus cuspidata var. serrata, 834.
Fraxinus dipetala, 833.
Fraxinus floridana, 839.
Fraxinus Greggii, 835.
Fraxinus Lowellii, 836.
Fraxinus nigra, 852.
Fraxinus oregona, 850.
Fraxinus Ornus, 833.
Fraxinus papilosa, 840.
Fraxinus pauciflora, 839.
Fraxinus pennsylvanica, 845.
Fraxinus pennsylvanica var. lanceolata, 846.
Fraxinus profunda, 844.
Fraxinus quadrangulata, 851.
Fraxinus Smallii, 842.
Fraxinus Standleyi, 840.
Fraxinus texensis, 842.
Fraxinus Toumeyi, 849.
Fraxinus velutina, 848.
Fraxinus velutina var. Toumeyi, 849.
Fremontia, 749.
Fremontia californica, 750.
Fremontodendron californicum, 750.
Frijolito, 616.
Fringe-tree, 855.
G
Galloway Nut, 181.
Garland Tree, 382.
Geiger-tree, 859.
Georgia Bark, 876.
Glaucous Willow, 159.
Gleditsia, 607.
Gleditsia aquatica, 610.
Gleditsia texana, 609.
Gleditsia triacanthos, 608.
Gleditsia triacanthos var. inermis, 608.
Glyptostrobus sinensis, 65.
Golden-leaved Chestnut, 234.
Gordonia, 750.
Gordonia alatamaha, 752.
Gordonia Lasianthus, 751.
Grape, Sea, 339.
Gray Birch, 207, 210.
Gray Pine, 24.
Great Laurel, 792.
Green Ash, 846.
Green-barked Acacia, 614, 615.
Guaiacum, 630.
Guaiacum officinale, 630.
Guaiacum sanctum, 630, 631.
Guava, 768.
Guettarda, 879.
Guettarda elliptica, 880.
Guettarda scabra, 881.
Guiana Plum, 651.
Gum, Cotton, 783.
Gum Elastic, 813.
Gum, Hog, 659.
Gum, Sour, 780.
Gum, Sweet, 367.
Gum, Tupelo, 783.
Gumbo filet, 363.
Gumbo Limbo, 646.
Gurgeon Stopper, 771.
Gyminda, 678.
Gyminda Grisebachii, 679.
Gyminda latifolia, 679.
Gyminda latifolia var. glaucescens, 679.
Gymnanthes, 654.
Gymnanthes lucida, 654.
Gymnocladus, 605.
Gymnocladus dioicus, 606.
Gymnospermæ, 1.
H
Hackberry, 319, 320, 321, 323.
Halesia, 824.
Halesia carolina, 825.
Halesia carolina var. mollis, 825.
Halesia diptera, 828.
Halesia Meehanii, 826.
Halesia monticola, 826.
Halesia monticola var. vestita, 827.
Halesia monticola var. vestita f. rosea, 827.
Halesia parviflora, 827.
Hamamelidaceæ, 366.
Hamamelis, 368.
Hamamelis macrophylla, 370.
Hamamelis vernalis, 369.
Hamamelis virginiana, 369.
Haw, Apple, 434.
Haw, Black, 812, 889, 890.
Haw, May, 434.
Haw, Parsley, 530.
Haw, Purple, 719.
Haw, Red, 464, 493.
Hawthorn, 397.
Helietta, 637.
Helietta parvifolia, 638.
Hemlock, 42, 43, 44, 45, 49.
Hemlock, Black, 46.
Hemlock, Mountain, 46.
Hercules’ Club, 778.
Heteromeles, 392.
Heteromeles arbutifolia, 392.
Hickory, 176, 188.
Hickory, Nutmeg, 182.
Hickory, Shagbark, 183, 185.
Hickory, Shellbark, 183.
Hickory, Water, 181.
Hickory Pine, 8, 29.
Hicoria, 176.
Hicoria borealis, 195.
Hicoria glabra, 195.
Hicoria glabra var. hirsuta, 195.
Hicoria glabra var. odorata, 195.
Hicoria glabra, var. villosa, 199.
Hicoria microcarpa, 194, 195.
Hicoria villosa, 199.
Hippocastanaceæ, 702.
Hippomane, 652.
Hippomane Mancinella, 653.
Hog Gum, 659.
Holly, 669.
Honey Locust, 600, 608.
Hop Hornbeam, 202, 203.
Hop-tree, 639.
Hornbeam, 201.
Hornbeam, Hop, 202, 203.
Horse Bean, 611.
Horse Sugar, 831.
Huajillo, 587.
Huisache, 592.
Hypelate, 716.
Hypelate trifoliata, 716.
I
Icacorea paniculata, 806.
Ichthyomethia, 628.
Ichthyomethia piscipula, 629.
Ilex, 668.
Ilex Aquifolium, 668.
Ilex Cassine, 670.
Ilex Cassine var. angustifolia, 671.
Ilex Cassine var. latifolia, 671.
Ilex decidua, 673.
Ilex decidua var. Curtissii, 673.
Ilex Krugiana, 672.
Ilex monticola, 673.
Ilex monticola var. mollis, 674.
Ilex opaca, 669.
Ilex paraguariensis, 668.
Ilex vomitoria, 671.
Incense Cedar, 65.
Indian Bean, 871.
Indian Cherry, 724.
Ink Wood, 715.
Ironwood, 203, 204, 378, 626, 660, 666, 667, 715, 812, 815.
Ironwood, Black, 721.
Ironwood, Red, 720.
Ironwood, White, 716.
Islay, 581.
Jack Oak, 258.
Jack Pine, 24.
Jacquinia, 804.
Jacquinia keyensis, 804.
Jamaica Dogwood, 629.
Jersey Pine, 26.
Joe Wood, 804.
Joshua Tree, 116.
Judas-tree, 604.
Juglandaceæ, 168.
Juglans, 169.
Juglans californica, 174.
Juglans californica, 175.
Juglans californica var. Hindsii, 175.
Juglans californica var. quercina, 175.
Juglans cinerea, 169.
Juglans Hindsii, 175.
Juglans intermedia, 172.
Juglans major, 172.
Juglans nigra, 171.
Juglans “Paradox,” 176.
Juglans quadrangulata, 171.
Juglans regia, 169, 172.
Juglans rupestris, 173.
Juglans rupestris, 172.
Juglans rupestris var. major, 172.
Juglans subrupestris, 173.
Juniper, 78, 80, 82, 83, 84, 85, 86.
Juniper, Checkered-bark, 84.
Juniperus, 78.
Juniperus barbadensis, 89.
Juniperus californica, 82.
Juniperus chinensis, 79.
Juniperus communis, 79, 80.
Juniperus communis var. depressa, 80.
Juniperus communis var. Jackii, 80.
Juniperus communis var. montana, 80.
Juniperus flaccida, 83.
Juniperus Knightii, 83.
Juniperus lucayana, 89.
Juniperus mexicana, 87.
Juniperus monosperma, 86.
Juniperus occidentalis, 85.
Juniperus pachyphlæa, 84.
Juniperus Pinchotii, 81.
Juniperus Sabina, 79.
Juniperus sabinoides, 87.
Juniperus scopulorum, 90.
Juniperus utahensis, 82.
Juniperus utahensis var. megalanocarpa, 83.
Juniperus virginiana, 88.
K
Kalmia, 794.
Kalmia latifolia, 794.
Kalmia latifolia f. alba, 794.
Kalmia latifolia f. fuscata, 795.
Kalmia latifolia f. polypetala, 796.
Kalmia latifolia f. rubra, 795.
Kalmia latifolia var. myrtifolia, 795.
Kentucky Coffee-tree, 606.
King Nut, 186.
Knackaway, 862.
Knob-cone Pine, 19.
Kœberlinia, 754.
Kœberlinia spinosa, 754.
Kœberliniacæ, 754.
Krugiodendron, 721.
Krugiodendron ferreum, 721.
L
Laguncularia, 767.
Laguncularia racemosa, 767.
Larch, 31.
Large-leaved Cucumber-tree, 348.
Larix, 31.
Larix alaskensis, 32.
Larix americana, 31.
Larix decidua, 31.
Larix Kæmpferi, 31.
Larix laricina, 31.
Larix Lyallii, 33.
Larix occidentalis, 32.
Lauraceæ, 356.
Laurel, 794.
Laurel, California, 361.
Laurel, Great, 792.
Laurel, Mountain, 794.
Laurel Oak, 264, 266.
Lawson Cypress, 77.
Leaf, Sweet, 831.
Leather Wood, 666.
Leguminosæ, 585.
Leitneria floridana, 167.
Leitneriaceæ, 167.
Leucæna, 596.
Leucæna glauca, 596.
Leucæna Greggii, 597.
Leucæna pulverulenta, 598.
Leucæna retusa, 598.
Libocedrus, 65.
Libocedrus decurrens, 65.
Lignum-vitæ, 630.
Lilac, 728.
Lilac, California, 727.
Liliaceæ, 110.
Lime, Ogeechee, 782.
Lime, Wild, 634.
Linden, 732, 733.
Liquidambar, 367.
Liquidambar orientalis, 367.
Liquidambar Styraciflua, 367.
Liriodendron, 351.
Liriodendron chinensis, 352.
Liriodendron Tulipifera, 352.
Lithocarpus, 236.
Lithocarpus densiflora, 236.
Lithocarpus densiflora f. lanceolata, 236.
Lithocarpus densiflora var. montana, 237.
Live Oak, 269, 270, 272, 276.
Loblolly Bay, 751.
Loblolly Pine, 16.
Locust, 609, 622, 623, 624.
Locust, Clammy, 625.
Locust, Honey, 600, 608.
Locust, Water, 610.
Locust, Yellow, 623.
Lodge Pole Pine, 23.
Log Wood, 719.
Lombardy Poplar, 120.
Long-leaved Cucumber-tree, 349.
Long-leaved Pine, 14.
Lyonia, 797.
Lyonia ferruginea, 798.
Lyonothamnus, 378.
Lyonothamnus floribundus, 378.
Lysiloma, 589.
Lysiloma bahamensis, 590.
M
Maclura, 331.
Maclura pomifera, 332.
Madroña, 799, 800, 801.
Magnolia, 342, 345.
Magnolia acuminata, 343.
Magnolia acuminata var. cordata, 344.
Magnolia acuminata var. ludoviciana, 344.
Magnolia cordata, 344.
Magnolia fœtida, 345.
Magnolia Fraseri, 349.
Magnolia glauca, 346.
Magnolia grandiflora, 345.
Magnolia grandiflora var. exoniensis, 346.
Magnolia macrophylla, 348.
Magnolia major, 347.
Magnolia, Mountain, 349.
Magnolia pyramidata, 350.
Magnolia Thompsoniana, 347.
Magnolia tripetala, 347.
Magnolia virginiana, 346.
Magnolia virginiana var. australis, 347.
Magnoliaceæ, 342.
Mahogany, 606, 648, 664.
Mahogany, Mountain, 550.
Malpigiaceæ, 631.
Malus, 379.
Malus angustifolia, 385.
Malus angustifolia var. pendula, 386.
Malus bracteata, 386.
Malus coronaria, 382.
Malus coronaria var. dasycalyx, 382.
Malus coronaria var. elongata, 383.
Malus Dawsoniana, 389.
Malus elongata, 383.
Malus fusca, 389.
Malus glabrata, 380.
Malus glaucescens, 381.
Malus ioensis, 387.
Malus ioensis var. Bushii, 388.
Malus ioensis var. creniserrata, 388.
Malus ioensis var. Palmeri, 388.
Malus ioensis var. plena, 388.
Malus ioensis var. spinosa, 388.
Malus ioensis var. texana, 388.
Malus lancifolia, 384.
Malus platycarpa, 383.
Malus platycarpa var. Hoopesii, 384.
Malus pumila, 379.
Malus rivularis, 389.
Malus Soulardii, 388.
Manchineel, 653.
Mangrove, 763.
Mangrove, Black, 866.
Mangrove, White, 767.
Maple, 681.
Maple, Ash-leaved, 699.
Maple, Black, 693.
Maple, Broad-leaved, 687.
Maple, Dwarf, 682.
Maple, Mountain, 685.
Maple, Red, 696.
Maple, Rock, 688.
Maple, Scarlet, 696.
Maple, Silver, 695.
Maple, Soft, 695.
Maple, Striped, 686.
Maple, Sugar, 688, 691, 692, 694.
Maple, Vine, 684.
Marlberry, 806.
Marsh Pine, 18.
Mastic, 809.
Maul Oak, 272.
May Haw, 434.
Maytenus, 676.
Maytenus boaria, 676.
Maytenus phyllanthoides, 677.
Melastomaceæ, 776.
Melia Azedarach, 648.
Meliaceæ, 648.
Mespilus œstivalis, 434, 435, 436.
Mesquite, 599, 600.
Mesquite, Screw Pod, 603.
Metopium, 658.
Metopium Metopium, 659.
Metopium toxiferum, 659.
Mexican Mulberry, 330.
Mimosa, 598.
Mimusops, 819.
Mimusops emarginata, 819.
Mimusops Sieberi, 819.
Misanteca, 364.
Misanteca triandra, 364.
Mock Orange, 579.
Mohrodendron carolinum, 825.
Mohrodendron dipterum, 828.
Monocotyledons, 96.
Monterey Cypress, 70.
Monterey Pine, 19.
Moose Wood, 686.
Moraceæ, 328.
Morus, 328.
Morus alba, 329.
Morus celtidifolia, 330.
Morus microphylla, 330.
Morus nigra, 329.
Morus rubra, 329.
Morus rubra var. tomentosa, 329.
Mossy Cap Oak, 290.
Mountain Ash, 390, 842.
Mountain Ash, European, 390.
Mountain Hemlock, 46.
Mountain Laurel, 794.
Mountain Magnolia, 343, 349.
Mountain Mahogany, 550.
Mountain Maple, 685.
Mountain White Oak, 283.
Mulberry, 328, 330.
Mulberry, Mexican, 330.
Mulberry, Paper, 328.
Mulberry, Red, 329.
Myrica californica, 166.
Myrica cerifera, 164.
Myrica cerifera var. pumila, 165.
Myrica inodora, 165.
Myrica inodora var. pumila, 165.
Myrica rubra, 164.
Myricaceæ, 163.
Myrsinaceæ, 805.
Myrtaceæ, 768.
Myrtle, 768.
Myrtle, Blue, 727.
Myrtle, Sea, 804.
Myrtle, Wax, 164, 165, 166.
N
Naked Wood, 729, 774.
Nannyberry, 888.
Narrow-leaved Cottonwood, 127.
Nogal, 172.
Norway Pine, 22.
Norway Spruce, 35.
Nut, Galloway, 181.
Nut, King, 186.
Nut Pine, 8, 9, 10.
Nutmeg, California, 92.
Nutmeg Hickory, 182.
Nyctaginaceæ, 340.
Nyssa, 779.
Nyssa aquatica, 783.
Nyssa biflora, 781.
Nyssa ogeche, 782.
Nyssa sylvatica, 780.
Nyssaceæ, 779.
O
Oak, 237.
Oak, Basket, 304.
Oak, Bear, 254.
Oak, Black, 246, 250, 251, 274.
Oak, Black Jack, 258.
Oak, Blue, 283.
Oak, Blue Jack, 265.
Oak, Burr, 290.
Oak, Chestnut, 236, 305, 306.
Oak, Cow, 304.
Oak, Evergreen, 282.
Oak, Jack, 258.
Oak, Laurel, 264, 266.
Oak, Live, 269, 270, 272, 276.
Oak, Maul, 272.
Oak, Mossy Cap, 290.
Oak, Mountain White, 283.
Oak, Overcup, 292.
Oak, Pin, 248.
Oak, Post, 293.
Oak, Red, 241, 242, 255.
Oak, Rock Chestnut, 305.
Oak, Scarlet, 247.
Oak, Scrub, 254, 275.
Oak, Shin, 285.
Oak, Shingle, 266.
Oak, Spanish, 247, 255.
Oak, Swamp Spanish, 248, 256.
Oak, Swamp White, 292, 303.
Oak, Tan Bark, 236.
Oak, Turkey, 253.
Oak, Upland Willow, 265.
Oak, Valley, 298.
Oak, Vine, 297.
Oak, Water, 260, 264.
Oak, White, 280, 281, 296, 298, 300.
Oak, Willow, 262.
Oak, Yellow, 306.
Oak, Yellow-bark, 250.
Oaks, Black, 238.
Oaks, Chestnut, 241.
Oaks, White, 240.
Oaks, Willow, 239.
Ocotea, 359.
Ocotea Catesbyana, 359.
Ogeechee Lime, 782.
Ohio Buckeye, 703.
Olacaceæ, 336.
Old Field Pine, 16.
Old Man’s Beard, 855.
Olea europæa, 832.
Oleaceæ, 832.
Olive-tree, Black, 765.
Olneya, 626.
Olneya tesota, 626.
Opuntia, 759.
Opuntia fulgida, 760.
Opuntia spinosior, 761.
Opuntia versicolor, 762.
Orange, Bitter-sweet, 633.
Orange, Mock, 579.
Orange, Osage, 332.
Orange, Wild, 579.
Oreodoxa regia, 108.
Osage Orange, 332.
Osmanthus, 856.
Osmanthus americanus, 857.
Osmanthus fragrans, 857.
Ostrya, 202.
Ostrya Knowltonii, 204.
Ostrya virginiana, 203.
Ostrya virginiana var. glandulosa, 203.
Overcup Oak, 292.
Oxycedrus, 79.
Oxydendrum, 796.
Oxydendrum arboreum, 796.
P
Padus valida, 575.
Padus virens, 578.
Palaquiuum gutta, 809.
Palm, Desert, 104.
Palm, Fan, 104.
Palm, Royal, 107, 108.
Palmæ, 96.
Palmetto, 101, 103.
Palmetto, Cabbage, 102.
Palmetto, Silvertop, 99.
Palo Blanco, 322.
Palo Verde, 615.
Paper Birch, 212.
Paper Mulberry, 328.
Paradise-tree, 642.
Parkinsonia, 611.
Parkinsonia aculeata, 611.
Parkinsonia microphylla, 612.
Parsley Haw, 530.
Pasania, 236.
Pasania densiflora, 236.
Pawpaw, 353, 756.
Peach Willow, 144.
Pear, Alligator, 357.
Pecan, 177.
Pecan, Bitter, 179.
Pepperidge, 780.
Persea, 356.
Persea americana, 357.
Persea Borbonia, 357.
Persea palustris, 358.
Persea pubescens, 358.
Persimmon, 821.
Persimmon, Black, 823.
Picea, 34.
Picea Abies, 35.
Picea Breweriana, 40.
Picea canadensis, 37.
Picea Engelmannii, 38.
Picea glauca, 37.
Picea glauca var. albertiana, 38.
Picea mariana, 35.
Picea mariana var. brevifolia, 36.
Picea orientalis, 35.
Picea Parryana, 39.
Picea pungens, 39.
Picea rubens, 36.
Picea rubra, 36.
Picea sitchensis, 41.
Picramnia, 643.
Picramnia pentandra, 643.
Pigeon Plum, 340.
Pignut, 180, 191, 192, 194.
Pinaceæ, 1.
Pinckneya, 875.
Pinckneya pubens, 876.
Pine, 2.
Pine, Austrian, 2.
Pine, Bull, 12, 20.
Pine, Cedar, 25.
Pine, Digger, 20.
Pine, Foxtail, 7, 8.
Pine, Gray, 24.
Pine, Hickory, 8, 29.
Pine, Jack, 24.
Pine, Jersey, 26.
Pine, Knob-cone, 19.
Pine, Loblolly, 16.
Pine, Lodge Pole, 23.
Pine, Long-leaved, 14.
Pine, Marsh, 18.
Pine, Monterey, 19.
Pine, Norway, 22.
Pine, Nut, 8, 9, 10.
Pine, Old Field, 16.
Pine, Pitch, 17, 21.
Pines, Pitch, 11, 21.
Pine, Pond, 18.
Pine, Prickle-cone, 28.
Pine, Red, 22.
Pine, Rocky Mountain White, 6.
Pine, Sand, 27.
Pine, Scotch, 2.
Pine, Scrub, 23, 26.
Pine, Short-leaved, 26.
Pine, Slash, 15.
Pines, Soft, 3.
Pine, Southern, 14.
Pine, Spruce, 25, 27.
Pine, Sugar, 5.
Pine, Swamp, 15.
Pine, Swiss Stone, 2.
Pine, Table Mountain, 29.
Pine, Torrey, 30.
Pine, White, 3, 4, 6.
Pine, Yellow, 12, 14, 26.
Pin Oak, 248.
Piñon, 8, 9, 10.
Pinus, 2.
Pinus albicaulis, 6.
Pinus aristata, 8.
Pinus arizonica, 14.
Pinus attenuata, 19.
Pinus Balfouriana, 7.
Pinus Banksiana, 24.
Pinus caribæa, 15.
Pinus cembra, 2.
Pinus cembroides, 8.
Pinus cembroides var. edulis, 9.
Pinus cembroides var. monophylla, 10.
Pinus cembroides var. Parryana, 9.
Pinus chihuahuana, 12.
Pinus clausa, 27.
Pinus contorta, 23.
Pinus contorta var. latifolia, 23.
Pinus contorta var. Murrayana, 23.
Pinus Coulteri, 21.
Pinus divaricata, 24.
Pinus echinata, 26.
Pinus edulis, 9.
Pinus flexilis, 6.
Pinus glabra, 25.
Pinus heterophylla, 15.
Pinus Lambertiana, 5.
Pinus leiophylla, 12.
Pinus monophylla, 10.
Pinus monticola, 4.
Pinus muricata, 28.
Pinus nigra, 2.
Pinus palustris, 14.
Pinus Pinaster, 2.
Pinus ponderosa, 12.
Pinus ponderosa var. arizonica, 14.
Pinus ponderosa var. Jeffreyi, 13.
Pinus ponderosa var. scopulorum, 13.
Pinus pungens, 29.
Pinus quadrifolia, 9.
Pinus radiata, 19.
Pinus resinosa, 22.
Pinus rigida, 17.
Pinus rigida var. serotina, 18.
Pinus Sabiniana, 20.
Pinus serotina, 18.
Pinus silvestris, 2.
Pinus strobiformis, 6.
Pinus Strobus, 3.
Pinus tæda, 16.
Pinus Torreyana, 30.
Pinus virginiana, 26.
Piscidia, 629.
Pisonia longifolia, 341.
Pistacia, 656.
Pistacia texana, 656.
Pistacia vera, 656.
Pistacio-nuts, 656.
Pitch Pine, 17, 21.
Pitch Pines, 11.
Pithecolobium, 586.
Pithecolobium brevifolium, 587.
Pithecolobium flexicaule, 588.
Pithecolobium unguis-cati, 586.
Planera, 316.
Planera aquatica, 317.
Plane-tree, 371.
Platanaceæ, 371.
Platanus, 371.
Platanus acerifolia, 372.
Platanus glabrata, 373.
Platanus occidentalis, 372.
Platanus occidentalis var. attenuata, 372.
Platanus occidentalis var. glabrata, 373.
Platanus orientalis, 372.
Platanus racemosa, 374.
Platanus Wrightii, 375.
Plum, 555.
Plum, Big Tree, 565.
Plum, Canada, 560.
Plum, Chickasaw, 569.
Plum, Cocoa, 583.
Plum, Darling, 720.
Plum, Downward, 816.
Plum, Guiana, 651.
Plum, Pigeon, 340.
Plum, Red, 560.
Plum, Wild, 557, 561, 567.
Plum, Wild Goose, 569.
Poison Dogwood, 663.
Poison Sumach, 663.
Poison Wood, 659.
Polygonaceæ, 338.
Pomette Bleue, 533.
Pond Apple, 355.
Pond Pine, 18.
Poplar, 119, 123.
Poplar, Carolina, 137.
Poplar, Lombardy, 120.
Poplar, White, 120.
Poplar, Yellow, 352.
Populus, 119.
Populus acuminata, 128.
Populus acuminata var. Rehderi, 129.
Populus alba, 120.
Populus Andrewsii, 129.
Populus angulata, 135.
Populus angustifolia, 127.
Populus arizonica, 131.
Populus arizonica var. Jonesii, 132.
Populus balsamifera, 125.
Populus balsamifera, 135.
Populus balsamifera var. virginiana, 136.
Populus balsamifera var. virginiana f. pilosa, 137.
Populus canadensis, 137.
Populus canadensis var. Eugenie, 137.
Populus candicans, 126.
Populus deltoidea, 136.
Populus deltoides var. occidentalis, 134.
Populus fortissima, 127.
Populus Fremontii, 129.
Populus Fremontii var. macrodisca, 131.
Populus Fremontii var. pubescens, 131.
Populus Fremontii var. Thornberii, 131.
Populus Fremontii var. Toumeyi, 131.
Populus grandidentata, 123.
Populus grandidentata var. meridionalis, 124.
Populus heterophylla, 124.
Populus Jackii, 137.
Populus McDougallii, 133.
Populus mexicana, 131.
Populus nigra, 120.
Populus nigra β virginiana, 136.
Populus Palmeri, 137.
Populus Parryi, 131.
Populus Sargentii, 134.
Populus tacamahacca, 125.
Populus tacamahacca var. Michauxii, 126.
Populus texana, 132.
Populus tremuloides, 121.
Populus tremuloides var. aurea, 121.
Populus tremuloides var. vancouveriana, 122.
Populus trichocarpa, 126.
Populus trichocarpa var. hastata, 127.
Populus vancouveriana, 122.
Populus Wislizenii, 133.
Port Orford Cedar, 77.
Post Oak, 293.
Prickle-cone Pine, 28.
Prickly Ash, 635.
Pride of India, 648.
Prince Wood, 877.
Privet, Swamp, 853.
Prosopis, 599.
Prosopis juliflora, 600.
Prosopis juliflora var. glandulosa, 601.
Prosopis juliflora var. velutina, 601.
Prosopis pubescens, 602.
Prunus, 555.
Prunus alabamensis, 576.
Prunus alleghaniensis, 566.
Prunus alleghaniensis var. Davisii, 567.
Prunus americana, 561.
Prunus americana var. floridana, 563.
Prunus americana lanata, 563.
Prunus angustifolia, 569.
Prunus angustifolia var. varians, 570.
Prunus arkansana, 565.
Prunus australis, 577.
Prunus caroliniana, 579.
Prunus emarginata, 572.
Prunus emarginata var. mollis, 572.
Prunus eximia, 575.
Prunus hortulana, 567.
Prunus hortulana var. Mineri, 568.
Prunus hortulana var. pubens, 568.
Prunus ilicifolia, 581.
Prunus integrifolia, 582.
Prunus lanata, 563.
Prunus Lyonii, 582.
Prunus mexicana, 565.
Prunus mexicana var. fultonensis, 566.
Prunus mexicana var. polyandra, 566.
Prunus mexicana var. reticulata, 566.
Prunus mitis, 559.
Prunus Munsoniana, 568.
Prunus myrtifolia, 580.
Prunus nigra, 560.
Prunus Palmeri, 563.
Prunus pennsylvanica, 571.
Prunus pennsylvanica var. saximontana, 572.
Prunus serotina, 575.
Prunus serotina var. montana, 576.
Prunus sphærocarpa, 580.
Prunus subcordata, 557.
Prunus subcordata var. oregona, 558.
Prunus tarda, 559.
Prunus tenuifolia, 564.
Prunus umbellata, 558.
Prunus umbellata var. injucunda, 559.
Prunus umbellata var. tarda, 559.
Prunus virens, 578.
Prunus virginiana, 573.
Prunus virginiana var. demissa, 574.
Prunus virginiana var. demissa f. pachyrrachis, 575.
Prunus virginiana var. leucocarpa, 573.
Prunus virginiana var. melanocarpa, 574.
Prunus virginiana var. melanocarpa f. xanthocarpa, 574.
Pseudophœnix, 109.
Pseudophœnix vinifera, 109.
Pseudosassafras, 362.
Pseudotsuga, 47.
Pseudotsuga glauca, 49.
Pseudotsuga macrocarpa, 49.
Pseudotsuga mucronata, 48.
Pseudotsuga taxifolia, 48.
Ptelea, 639.
Ptelea trifoliata, 639.
Ptelea trifoliata var. mollis, 640.
Pumpkin Ash, 844.
Purple Haw, 719.
Pyrus americana var. decora, 391.
Pyrus sambucifolia, 391.
Pyrus sitchensis, 391.
Q
Quaking Asp, 121.
Quasin, 642.
Quercus, 237.
Querus acuminata, 306.
Quercus agrifolia, 269.
Quercus alba, 300.
Quercus alba var. latiloba, 302.
Quercus alba var. repanda, 302.
Quercus Andrewsii, 291.
Quercus annulata, 287.
Quercus arizonica, 280.
Quercus arkansana, 259.
Quercus Ashei, 254.
Quercus austrina, 300.
Quercus Beadlei, 302.
Quercus beaumontiana, 262.
Quercus Bebbiana, 302.
Quercus Benderi, 248.
Quercus bicolor, 303.
Quercus blufftonensis, 254.
Quercus borealis, 241.
Quercus borealis var. maxima, 242.
Quercus brevifolia, 265.
Quercus breviloba, 287, 288.
Quercus Brittonii, 255.
Quercus Bushii, 259.
Quercus caduca, 266.
Quercus californica, 251.
Quercus carolinensis, 266.
Quercus Catesbæi, 253.
Quercus Chapmanii, 289.
Quercus chrysolepis, 272.
Quercus chrysolepis var. Palmeri, 273.
Quercus cinerea, 265.
Quercus cinerea β dentatolobata, 265.
Quercus coccinea, 247.
Quercus coccinea var. tuberculata, 247.
Quercus Cocksii, 262.
Quercus Comptonæ, 293.
Quercus Deamii, 302.
Quercus densiflora, 236.
Quercus digitata, 255.
Quercus Douglasii, 283.
Quercus dubia, 266.
Quercus dumosa, 275.
Quercus dumosa var. Alvordiana, 276.
Quercus Durandii, 288.
Quercus ellipsoidalis, 246.
Quercus Emoryi, 274.
Quercus Engelmannii, 282.
Quercus exacta, 268.
Quercus Faxonii, 302.
Quercus Fernowii, 302.
Quercus Garryana, 296.
Quercus geminata, 277.
Quercus georgiana, 249.
Quercus Giffordii, 255.
Quercus guadalupensis, 291.
Quercus Harbisonii, 295.
Quercus Hastingsii, 259.
Quercus heterophylla, 263.
Quercus Hillii, 292.
Quercus hypoleuca, 268.
Quercus ilicifolia, 254.
Quercus imbricaria, 266.
Quercus Jackiana, 302.
Quercus jolonensis, 284.
Quercus Kelloggii, 251.
Quercus Laceyi, 286.
Quercus laurifolia, 264.
Quercus laurifolia var. hybrida, 264.
Quercus laurifolia var. tridentata, 264.
Quercus Leana, 268.
Quercus leptophylla, 299.
Quercus lobata, 298.
Quercus Lowellii, 243.
Quercus ludoviciana, 264.
Quercus lyrata, 292.
Quercus MacDonaldii, 276.
Quercus macrocarpa, 290.
Quercus Margaretta, 295.
Quercus marilandica, 258.
Quercus Mellichampii, 254.
Quercus Michauxii, 304.
Quercus microcarya, 261.
Quercus minor, 293.
Quercus Mohriana, 285.
Quercus montana, 305.
Quercus morehus, 271.
Quercus Muehlenbergii, 306.
Quercus Muehlenbergii var. Brayi, 308.
Quercus myrtifolia, 271.
Quercus nana, 254.
Quercus nigra, 260.
Quercus nigra var. tridentifera, 260.
Quercus nigra var. tridentifera f. microcarya, 261.
Quercus oblongifolia, 281.
Quercus oviedoensis, 266.
Quercus pagoda, 256.
Quercus pagodæfolia, 256.
Quercus palustris, 248.
Quercus Phellos, 262.
Quercus platanoides, 303.
Quercus Porteri, 243.
Quercus Prinus, 304.
Quercus Prinus, 305.
Quercus Rehderi, 255.
Quercus reticulata, 279.
Quercus rhombica, 261.
Quercus Robbinsii, 248.
Quercus Robur, 238.
Quercus rubra, 242.
Quercus rubra, 255.
Quercus rubra var. leucophylla, 257.
Quercus rubra var. pagodæfolia, 256.
Quercus rubra var. triloba, 255.
Quercus Rudkinii, 259.
Quercus runcinata, 243.
Quercus Sargentii, 306.
Quercus Saulei, 302.
Quercus Schneckii, 245.
Quercus Schuettii, 304.
Quercus sessiliflora, 238.
Quercus Shumardii, 243.
Quercus Shumardii var. Schneckii, 244.
Quercus Smallii, 250.
Quercus stellata, 293.
Quercus stellata var. anomala, 294.
Quercus stellata var. araniosa, 294.
Quercus stellata var. attenuata, 294.
Quercus stellata var. Boyntonii, 295.
Quercus stellata var. Margaretta, 295.
Quercus stellata var. Margaretta f. stonolifera, 295.
Quercus stellata var. Palmeri, 294.
Quercus stellata var. paludosa, 294.
Quercus stellata var. parviloba, 294.
Quercus stellata var. rufescens, 295.
Quercus sterilis, 259.
Quercus subfalcata, 264.
Quercus subfalcata var. microcarpa, 264.
Quercus subintegra, 266.
Quercus sublaurifolia, 266.
Quercus succulenta, 278.
Quercus texana, 245.
Quercus texana, 243, 244.
Quercus texana var. chesosensis, 246.
Quercus texana var. stellapila, 246.
Quercus tomentella, 273.
Quercus Toumeyi, 280.
Quercus tridentata, 268.
Quercus undulata var. Vaseyana, 285.
Quercus utahensis, 297.
Quercus utahensis var. mollis, 297.
Quercus Vaseyana, 285.
Quercus velutina, 250.
Quercus velutina var. missouriensis, 251.
Quercus virginiana, 276.
Quercus virginiana var. dentata, 277, 278.
Quercus virginiana van eximea, 278.
Quercus virginiana var. fusiformis, 278.
Quercus virginiana var. geminata, 277.
Quercus virginiana var. geminata f. grandifolia, 278.
Quercus virginiana var. macrophylla, 278.
Quercus virginiana var. maritima, 277, 278.
Quercus virginiana var. pygmaea, 279.
Quercus virginiana var. virescens, 278.
Quercus Walteriana, 254.
Quercus Wilcoxii, 273.
Quercus Willdenoviana, 257.
Quercus Wislizenii, 270.
R
Rapanea, 807.
Rapanea guianensis, 807.
Red Ash, 845.
Red Bay, 357.
Red Birch, 208, 216.
Redbud, 604.
Red Cedar, 68, 88, 89, 90.
Red Elm, 313, 315.
Red Fir, 48, 57, 58, 59.
Red Haw, 464, 493.
Red Ironwood, 720.
Red Maple, 696.
Red Mulberry, 329.
Red Oak, 241, 242, 255.
Red Pine, 22.
Red Plum, 560.
Red Spruce, 36.
Red Stopper, 774.
Red Willow, 146.
Red-flowered Buckeye, 707.
Redwood, 61.
Retama, 611.
Retinosporas, 75.
Reynosia, 720.
Reynosia septentrionalis, 720.
Rhamnaceæ, 718.
Rhamnus, 722.
Rhamnus caroliniana, 724.
Rhamnus cathartica, 722.
Rhamnus crocea, 723.
Rhamnus crocea var. ilicifolia, 723.
Rhamnus crocea var. insularis, 724.
Rhamnus crocea var. insularis f. pilosa, 724.
Rhamnus Purshiana, 725.
Rhizophora, 763.
Rhizophora Mangle, 764.
Rhizophoraceæ, 763.
Rhododendron, 792.
Rhododendron maximum, 792.
Rhus copallina, 662.
Rhus copallina var. lanceolata, 663.
Rhus hirta, 660.
Rhus hybrida, 662.
Rhus integrifolia, 664.
Rhus integrifolia var. serrata, 664.
Rhus typhina, 660.
Rhus vernicifera, 660.
Rhus vernix, 663.
River Birch, 208, 218.
Robinia, 622.
Robinia Holdtii, 625.
Robinia neo-mexicana, 624.
Robinia neo-mexicana var. luxurians, 624.
Robinia neo-mexicana var. luxurians f. albiflora, 625.
Robinia Pseudoacacia, 623.
Robinia viscosa, 625.
Rock Cedar, 87.
Rock Chestnut Oak, 305.
Rock Elm, 311.
Rock Maple, 688.
Rocky Mountain White Pine, 6.
Rosaceæ, 376.
Rose Bay, 792.
Rowan-tree, 390.
Royal Palm, 107, 108.
“Royal” Walnut, 172.
Roystonea, 107.
Roystonea regia, 108.
Rubiaceæ, 875.
Rum Cherry, 575.
Rutaceæ, 633.
S
Sabal, 101.
Sabal mexicana, 103.
Sabal Palmetto, 102.
Sabal texana, 103.
Sabina, 79.
Salicaceæ, 119.
Salix, 138.
Salix alaxensis, 157.
Salix alba, 139.
Salix amphibia, 147.
Salix amplifolia, 157.
Salix amygdaloides, 144.
Salix amygdaloides var. Wrightii, 145.
Salix balsamifera, 156.
Salix Bebbiana, 158.
Salix Bonplandiana, 146.
Salix Bonplandiana var. Toumeyi, 145.
Salix brachystachys, 161.
Salix discolor, 159.
Salix discolor var. eriocephala, 160.
Salix discolor var. prinoides, 169.
Salix exigua, 151.
Salix fluviatalis, 152.
Salix fragilis, 139.
Salix Gooddingii, 142.
Salix Harbisonii, 143.
Salix Hookeriana, 161.
Salix lævigata, 146.
Salix lævigata f. araquipa, 147.
Salix lasiandra, 148.
Salix lasiandra var. cordata, 149.
Salix lasiandra var. lancifolia, 149.
Salix lasiolepis, 153.
Salix longifolia, 152.
Salix longifolia var. angustissima, 153.
Salix longifolia var. pedunculata, 153.
Salix longifolia var. Wheeleri, 153.
Salix longipes, 147.
Salix longipes var. venulosa, 148.
Salix longipes var. Wardii, 148.
Salix lucida, 149.
Salix lucida var. angustifolia, 149.
Salix lucida var. intonsa, 150.
Salix Mackenzieana, 154.
Salix missouriensis, 155.
Salix nigra, 140.
Salix nigra var. altissima, 141.
Salix nigra var. Lindheimeri, 141.
Salix Nuttallii, 160.
Salix pyrifolia, 156.
Salix Scouleriana, 160.
Salix Scouleriana var. crassijulis, 161.
Salix Scouleriana var. flavescens, 161.
Salix sessilifolia, 151.
Salix sessilifolia var. Hindsiana, 151.
Salix sessilifolia var. leucodendroides, 151.
Salix sitchensis, 162.
Salix sitchensis f. Ralphiana, 163.
Salix taxifolia, 150.
Salix Toumeyi, 145.
Salix vallicola, 142.
Salix Wrightii, 141, 145.
Sambucus, 882.
Sambucus callicarpa, 885.
Sambucus callicarpa f. Piperi, 886.
Sambucus cœrulea, 883.
Sambucus cœrulea var. arizonica, 885.
Sambucus cœrulea var. velutina, 884.
Sambucus glauca, 883.
Sambucus mexicana, 885.
Sambucus neomexicana, 883.
Sambucus nigra, 882.
Sambucus Simpsonii, 883.
Sand Bar Willow, 152.
Sand Pine, 27.
Sapindaceæ, 711.
Sapindus, 711.
Sapindus Drummondii, 714.
Sapindus manatensis, 713.
Sapindus marginatus, 713.
Sapindus saponaria, 712.
Sapotaceæ, 808.
Sargent’s Cypress, 71.
Sassafras, 362.
Sassafras officinale, 363.
Sassafras officinale var. albidum, 364.
Sassafras randaiense, 363.
Sassafras Sassafras, 363.
Sassafras tzumu, 363.
Satin-leaf, 818.
Satinwood, 636.
Savin, 88.
Scarlet Maple, 696.
Scarlet Oak, 247.
Schæfferia, 679.
Schæfferia frutescens, 680.
Schœpfia, 336.
Schœpfia chrysophylloides, 336.
Schœpfia Schreberi, 336.
Scotch Elm, 309.
Scotch Pine, 2.
Screw Bean, 602.
Screw Pod Mesquite, 602.
Scrub Oak, 254, 275.
Scrub Pine, 23, 26.
Sea Grape, 339.
Sea Myrtle, 804.
Sequoia, 61.
Sequoia gigantea, 62.
Sequoia sempervirens, 61.
Sequoia Wellingtonia, 62.
Serenoa arborescens, 106.
Service Berry, 394, 395, 396.
Shad Bush, 394.
Shagbark Hickory, 183, 185.
She Balsam, 51.
Sheepberry, 888.
Shellbark, Big, 186.
Shellbark Hickory, 183.
Shingle Oak, 266.
Shining Willow, 149.
Shin Oak, 285.
Short-leaved Pine, 26.
Siberian Crabs, 379.
Sideroxylum, 809.
Sideroxylum fœtidissimum, 809.
Sideroxylum Mastichodendron, 809.
Silver Bell Tree, 824.
Silver Fir, 60.
Silver Maple, 695.
Silvertop Palmetto, 99.
Simarouba, 642.
Simarouba glauca, 642.
Simaroubaceæ, 641.
Sitka Cypress, 76.
Sitka Spruce, 41.
Slash Pine, 15.
Slippery Elm, 313, 750.
Sloe, 558, 566.
Sloe, Black, 558.
Smoke-tree, 621, 657.
Soapberry, 711.
Soft Maple, 695.
Soft Pines, 3.
Solanaceæ, 867.
Solanum, 867.
Solanum verbascifolium, 867.
Sophora, 615.
Sophora affinis, 617.
Sophora japonica, 616.
Sophora secundiflora, 616.
Sorbomalus, 380.
Sorbus, 390.
Sorbus americana, 390.
Sorbus americana var. decora, 391.
Sorbus Aucuparia, 390.
Sorbus decora, 391.
Sorbus scopulina, 391.
Sorrel-tree, 796.
Sour Gum, 780.
Sour Tupelo, 782.
Sour Wood, 796.
Southern Pine, 14.
Spanish Bayonet, 111, 112.
Spanish Buckeye, 717.
Spanish Dagger, 112, 113, 114, 115, 117.
Spanish Oak, 247, 255.
Spanish Stopper, 771.
Sparkleberry, 802.
Spice-tree, 361.
Spiræoideæ, 376.
Spruce, 34.
Spruce, Black, 35.
Spruce, Blue, 39.
Spruce, Colorado, 39.
Spruce, Douglas, 48.
Spruce, Engelmann, 38.
Spruce, Norway, 35.
Spruce Pine, 25, 27.
Spruce, Red, 36.
Spruce, Sitka, 41.
Spruce, Tideland, 41.
Spruce, Weeping, 40.
Spruce, White, 37, 38.
Stag Bush, 889.
Staghorn Sumach, 660.
Sterculiaceæ, 749.
Stinking Cedar, 91.
Stopper, 772, 773.
Stopper, Gurgeon, 771.
Stopper, Red, 774.
Stopper, Spanish, 771.
Stopper, White, 772.
Striped Maple, 686.
Styraceæ, 824.
Styrax, 829.
Styrax Benzoin, 829.
Styrax grandiflora, 829.
Sugarberry, 319, 323.
Sugar, Horse, 831.
Sugar Maple, 688, 691, 692, 694.
Sugar Pine, 5.
Sumach, 662.
Sumach, Poison, 663.
Sumach, Staghorn, 660.
Suwarro, 758.
Swamp Ash, 838.
Swamp Bay, 346, 358.
Swamp Cottonwood, 124.
Swamp Pine, 15.
Swamp Privet, 853.
Swamp Spanish Oak, 248, 256.
Swamp White Oak, 292, 303.
Sweet Bay, 346.
Sweet-berried Cedar, 82.
Sweet Buckeye, 704.
Sweet Gum, 367.
Sweet Leaf, 831.
Swietenia, 648.
Swietenia Mahagoni, 648.
Swiss Stone Pine, 2.
Sycamore, 372, 374, 375.
Symplocaceæ, 830.
Symplocos, 831.
Symplocos tinctoria, 831.
T
Table Mountain Pine, 29.
Tacamahac, 125.
Tamarack, 31, 32, 33.
Tamarind, Wild, 590.
Tan Bark Oak, 236.
Tassajo, 761.
Taxaceæ, 90.
Taxodium, 63.
Taxodium distichum, 64.
Taxodium distichum var. imbricarium, 65.
Taxus, 93.
Taxus baccata, 93.
Taxus brevifolia, 93.
Taxus canadensis, 93.
Taxus cuspidata, 93.
Taxus floridana, 94.
Tecate Cypress, 73.
Tectoria grandis, 864.
Tetrazygia, 776.
Thatch, 97, 98, 99.
Thatch, Brittle, 99, 100.
Theaceæ, 750.
Theobroma Cacao, 749.
Theophrastaceæ, 804.
Thorn, Cock-spur, 402.
Thorn, Washington, 531.
Thrinax, 96.
Thrinax floridana, 97.
Thrinax keyensis, 99.
Thrinax microcarpa, 99.
Thrinax Wendlandiana, 98.
Thuja, 67.
Thuja occidentalis, 67.
Thuja orientalis, 67.
Thuja plicata, 68.
Tideland Spruce, 41.
Tilia, 732.
Tilia americana, 733.
Tilia caroliniana, 740.
Tilia caroliniana var. rhoophila, 741.
Tilia Cocksii, 738.
Tilia crenoserrata, 737.
Tilia floridana, 737.
Tilia floridana, 737.
Tilia floridana var. australis, 738.
Tilia floridana var. oblongifolia, 738.
Tilia georgiana, 747.
Tilia georgiana var. crinita, 748.
Tilia glabra, 733.
Tilia heterophylla, 745.
Tilia heterophylla, 747.
Tilia heterophylla var. amphiloba, 745.
Tilia heterophylla var. Michauxii, 746.
Tilia heterophylla var. nivea, 745.
Tilia lasioclada, 744.
Tilia littoralis, 736.
Tilia littoralis var. discolor, 736.
Tilia Michauxii, 739, 746.
Tilia monticola, 747.
Tilia neglecta, 739.
Tilia nuda, 734.
Tilia nuda var. brevipedunculata, 735.
Tilia phanera, 743.
Tilia phanera var. scabrida, 743.
Tilia pubescens, 748.
Tilia texana, 742.
Tilia venulosa, 735.
Tilia venulosa var. multinervis, 736.
Tiliaceæ, 732.
Titi, 667.
Tollon, 392.
Toothache-tree, 635.
Torch Wood, 640.
Torrey Pine, 30.
Torreya, 91.
Torreya californica, 92.
Torreya nucifera, 91.
Torreya taxifolia, 91.
Torrubia, 341.
Torrubia longifolia, 341.
Toxylon, 331.
Toxylon (Ioxylon) pomiferum, 332.
Toyon, 392.
Tree, Cabbage, 102.
Tree, Garland, 382.
Tree, Joshua, 116.
Tree, Silver Bell, 824.
Tree, Smoke, 621.
Trema, 326.
Trema floridana, 327.
Trema mollis, 327.
Tsuga, 42.
Tsuga canadensis, 43.
Tsuga caroliniana, 44.
Tsuga heterophylla, 45.
Tsuga Mertensiana, 46.
Tulip-tree, 352.
Tumion, 91.
Tumion californicum, 92.
Tumion taxifolium, 91.
Tupelo, 780.
Tupelo Gum, 783.
Tupelo, Sour, 782.
Turkey Apple, 476.
Turkey Oak, 253.
U
Ulmaceæ, 308.
Ulmus, 308.
Ulmus alata, 312.
Ulmus americana, 309.
Ulmus crassifolia, 314.
Ulmus fulva, 313.
Ulmus glabra, 309.
Ulmus procera, 309.
Ulmus racemosa, 311.
Ulmus serotina, 315.
Ulmus Thomasii, 311.
Umbellularia, 360.
Umbellularia californica, 361.
Umbellularia californica var. pendula, 361.
Umbrella-tree, 347.
Una de Gato, 595.
Ungnadia, 717.
Ungnadia speciosa, 717.
Upland Willow Oak, 265.
V
Vaccinium, 802.
Vaccinium arboreum, 802.
Vaccinium arboreum var. glaucescens, 803.
Vaccinium macrocarpum, 802.
Valley Oak, 298.
Vauquelinia, 377.
Vauquelinia californica, 377.
Verbenaceæ, 864.
Viburnum, 886.
Viburnum Jackii, 889.
Viburnum Lentago, 888.
Viburnum Lentago var. sphaerocarpum, 889.
Viburnum nudum, 887.
Viburnum nudum var. angustifolium, 887.
Viburnum prunifolium, 889.
Viburnum rufidulum, 890.
Vine Maple, 684.
Vine Oak, 297.
Virgilia, 619.
W
Wafer Ash, 639.
Wahoo, 312, 675.
Walnut, 169, 173.
Walnut, Black, 171.
Walnut, “Royal,” 172.
Washington Thorn, 531.
Washingtonia, 104.
Washingtonia filamentosa, 104.
Water Ash, 838, 839.
Water Elm, 317.
Water Hickory, 181.
Water Locust, 610.
Water Oak, 260, 264.
Wax Myrtle, 164, 165, 166.
Weeping Spruce, 40.
Western Catalpa, 872.
West Indian Birch, 646.
White Alder, 224.
White Ash, 841.
White Birch, 210, 217.
White Cedar, 67, 75.
White Cedar, Desert, 82.
White Elm, 309.
White Fir, 54, 55, 56.
White Ironwood, 716.
White Mangrove, 767.
White Oak, 280, 281, 296, 298, 300.
White Oaks, 240.
White Pine, 3, 4, 6.
White Poplar, 120.
White Spruce, 37, 38.
White Stopper, 772.
White Wood, 650, 753.
Wild Black Cherry, 575.
Wild Cherry, 572, 576, 577, 578.
Wild China-tree, 714.
Wild Cinnamon, 753.
Wild Dilly, 819.
Wild Fig, 334, 335.
Wild Goose Plum, 569.
Wild Lime, 634.
Wild Orange, 579.
Wild Plum, 557, 561, 567.
Wild Red Cherry, 571.
Wild Tamarind, 590.
Willow, 138.
Willow, Almond, 144.
Willow, Arroyo, 153.
Willow, Black, 140, 160.
Willow, Desert, 869.
Willow, Feltleaf, 157.
Willow, Glaucous, 159.
Willow Oak, 262.
Willow Oaks, 239.
Willow, Peach, 144.
Willow, Red, 146.
Willow, Sand Bar, 152.
Willow, Shining, 149.
Willow, Yellow, 148.
Winged Elm, 312.
Witch Hazel, 368.
Wood, Ant’s, 816.
Wood, Bass, 732, 733.
Wood, Bow, 332.
Wood, Box, 680.
Wood, Chittam, 657, 813.
Wood, Cork, 167.
Wood, Crab, 654.
Wood, Devil, 857.
Wood, Fiddle, 864.
Wood, Ink, 715.
Wood, Joe, 804.
Wood, Leather, 666.
Wood, Moose, 686.
Wood, Naked, 729, 774.
Wood, Poison, 659.
Wood, Prince, 877.
Wood, Sour, 796.
Wood, Torch, 640.
Wood, White, 650, 753.
Wood, Yellow, 619, 680.
X
Xanthoxylum, 633.
Xanthoxylum clava-Herculis, 635.
Xanthoxylum clava-Herculis var. fruticosum, 636.
Xanthoxylum coriaceum, 637.
Xanthoxylum Fagara, 634.
Xanthoxylum flavum, 636.
Ximenia, 337.
Ximenia americana, 337.
Xolisma ferruginea, 798.
Y
Yaupon, 671.
Yellow-bark Oak, 250.
Yellow Birch, 207.
Yellow Cypress, 76.
Yellow Locust, 623.
Yellow Oak, 306.
Yellow Pine, 12, 14, 26.
Yellow Poplar, 352.
Yellow Willow, 148.
Yellow Wood, 619, 680.
Yew, 93, 94.
Yucca, 110.
Yucca aloifolia, 111.
Yucca aloifolia var. yucatana, 112.
Yucca arborescens, 116.
Yucca brevifolia, 116.
Yucca elata, 117.
Yucca Faxoniana, 115.
Yucca gloriosa, 117.
Yucca gloriosa var. recurvifolia, 117.
Yucca macrocarpa, 113.
Yucca mohavensis, 113.
Yucca radiosa, 117.
Yucca Schottii, 114.
Yucca Treculeana, 112.
Yuccæ, 110.
Z
Zolisma ferruginea, 798.
Zygia brevifolia, 587.
Zygia flexicaulis, 588.
Zygia Unguis-Cati, 586.
Zygophyllaceæ, 630.