67, 400, pl. 118.
Araliopsis, 298.
Araujia, 446.
Arbutus, 415.
Arceuthobium, 175.
Arceuthos, 71.
Arctium, 551.
Arctopus, 403.
Arctotheca, 548.
Arctotis, 548.
Ardisia, 418.
Ardisiandra, 420, pl. 122.
Arduina, 437.
Areca, 114.
Arenaria, 195.
Arenaria, 195.
Argania, 423.
Argemone, 213.
Argomuellera, 315.
Argostema, 532.
Argyranthemum, 565.
Argyreia, 461.
Argyreia, 461.
Argyrella, 394.
Argyrolobium, 264, 266.
Argyrostachys, 184.
Arisaema, 118.
Arisarum, 118.
Aristea, 143.
Aristea, 143.
Aristida, 95.
Aristogeitonia, 321.
Aristolochia, 176, pl. 38.
ARISTOLOCHIACEAE, 17, 176, pl. 38.
Armeniaca, 242.
Armeria, 421.
Arnebia, 465.
Arnottia, 153.
AROIDEAE, 114.
Aroides, 117.
Arrhenatherum, 99.
Arrowsmithia, 555, 556.
Artabotrys, 204, 205.
Artanema, 495.
Artemisia, 566, 578, 597.
Artemisiopsis, 561.
Arthraerua, 184.
Arthratherum, 95.
Arthraxon, 86, 87.
Arthrocarpum, 273.
Arthrochortus, 90.
Arthrocnemum, 181.
Arthrolobium, 262.
Arthrophyllum, 497.
Arthrosolen, 381.
Arthrostylis, 108.
Artocarpus, 167.
Arum, 118.
Arundinaria, 88.
Arundinella, 98.
Arundo, 101.
Asaemia, 578.
ASCLEPIADACEAE, 64, 66, 441, pl. 130.
Asclepias, 449.
Asclepias, 449.
Ascolepis, 108.
Askidiosperma, 120.
Aspalathus, 264.
Asparagus, 129.
Aspera, 521.
ASPERIFOLIACEAE, 463.
Asperugo, 466.
Asperula, 521.
Asphodeline, 132.
Asphodelus, 132.
Aspidoglossum, 451.
Aspilia, 583.
Assonia, 357.
Astelia, 134.
Astephania, 554.
Astephanocarpa, 562.
Astephanus, 446.
Aster, 567, 572, 574.
Aster, 567.
Asteracantha, 504.
Asteranthe, 206.
Asteranthopsis, 206.
Asteriscus, 554.
Asterochaete, 107.
Asterolinum, 419.
Asterolinum, 419.
Asteropeia, 360.
Asterosperma, 567.
Asterothrix, 546.
Astiria, 357.
Astragalus, 270, 285, 288.
Astrocarpus, 229.
Astrochlaena, 462.
Astropanax, 400.
Astydamia, 409.
Asystasia, 510.
Asystasia, 509, 510.
Asystasiella, 510.
Ataenidia, 149.
Ataxia, 94.
Athamanta, 411.
Athamantha, 406.
Athanasia, 578.
Atheranthera, 536.
Athrixia, 561.
Atractocarpa, 88.
Atractogyne, 527.
Atractylis, 550.
Atraphaxis, 178.
Atriplex, 181.
Atropa, 482.
ATROPACEAE, 481.
Atropis, 105.
Atroxima, 308.
Atylosia, 283.
Aubyra, 292.
Aucoumea, 302.
Audouinia, 236.
Augea, 294.
Aulacocalyx, 517.
Aulax, 170.
Aulaya, 485.
Aulojusticia, 512.
Aulostephanus, 456.
Aulotandra, 147.
AURANTIACEAE, 295.
Aurelia, 136.
Australina, 168.
Autunesia, 568.
Auxopus, 154.
Avellinia, 103.
Avena, 97, 99, 105.
Avenastrum, 97.
Averrhoa, 290.
Avicennia, 469.
Aviceps, 151.
Axonopus, 82.
Azadirachta, 304.
Azima, 332.
Azorella, 402.

Babiana, 142.
Baccaurea, 322.
Baccaureopsis, 322.
Bachmannia, 214.
Bacopa, 494.
Badula, 418.
Baeometra, 129.
Baikiaea, 256.
Baillonella, 421.
Baissea, 435.
Bakerisideroxylon, 422.
Balaniella, 607.
Balanites, 293, pl. 72.
Balanophora, 176.
BALANOPHORACEAE, 7, 16, 176.
Balansaea, 406.
Ballochia, 511.
Ballota, 479.
Balsamea, 301.
BALSAMINACEAE, 35, 343, pl. 87.
Balsamocitrus, 299.
Balsamodendron, 301.
Bambusa, 89.
Bandeiraea, 248.
Banisterioides, 307.
Baoutia, 607.
Baphia, 257.
Baphiopsis, 249.
Barbacenia, 139, pl. 20.
Barbarea, 223.
Barberetta, 135.
Barbeuia, 188.
Barbeya, 163.
Barbeyastrum, 394.
Barkhousia, 546.
Barlaea, 152.
Barleria, 507.
Barlia, 152.
Baronia, 328.
Baroniella, 443.
Barosma, 296.
Barringtonia, 387, pl. 111.
Barrowia, 455.
Barteria, 370.
Bartholina, 153.
Bartschia, 484.
Bartsia, 484.
Basananthe, 376.
Basella, 191.
BASELLACEAE, 50, 191.
Baseonema, 442.
Basilicum, 473.
Bassia, 182.
Bassia, 423.
Batatas, 462.
Batesanthus, 443.
Bathiaea, 256.
Baudouinia, 251.
Bauhinia, 248, pl. 67.
Bauhinia, 248.
Baukea, 280.
Baumannia, 518.
Baumia, 486.
Beatsonia, 364.
Beaumontia, 434.
Bechium, 570.
Becium, 473.
Beckera, 82.
Begonia, 378, pl. 107.
BEGONIACEAE, 17, 49, 377, pl. 107.
Behnia, 130.
Beilschmiedia, 210.
Belamcanda, 144.
Bellardia, 484.
Bellevalia, 128.
Bellis, 573.
Bellium, 573.
Belmontia, 430.
Belonophora, 517.
Bembicia, 371.
Bembycodium, 578.
Bencomia, 241.
Benincasa, 541.
Berardia, 237, 238.
BERBERIDACEAE, 21, 22, 23, 199.
Berberis, 199.
Berchemia, 344.
Berenice, 234.
Bergia, 363, pl. 100.
Berkheya, 548, 551, 568.
Berkheyopsis, 549.
Berlinia, 255, 256.
Berlinia, 608.
Bernieria, 210.
Bersama, 342, pl. 86.
Bertiera, 529.
Berula, 412.
Berzelia, 237.
Berzelia, 237.
Beta, 181.
Betonica, 479.
BETULACEAE, 7, 17, 162.
Biarum, 118.
Biasolettia, 406.
Bicornella, 153.
Bidens, 581.
Bifaria, 175.
Bifora, 406.
BIGNONIACEAE, 53, 57, 58, 59, 495, pl. 137.
Bingeria, 304, 609.
Biophytum, 291, pl. 69.
Biscutella, 226.
Biserrula, 285.
Bismarkia, 111.
Bivinia, 371.
Bivonaea, 228.
Bixa, 365.
BIXACEAE, 25, 365.
BIXACEAE, 366, 367.
Blackwellia, 371.
Blaeria, 417.
Blainvillea, 537.
Blastania, 537.
Blatti, 385.
BLATTIACEAE, 385.
Bleekrodia, 164.
Blepharis, 508.
Blepharispermum, 556.
Blighia, 339.
Blighia, 338.
Blitum, 182.
Blumea, 557, 559.
Blyxa, 78.
Bobartia, 144.
Bocagea, 205.
Boeckeleria, 108.
Boehmeria, 170.
Boerhavia, 187.
Boissiera, 100.
Bojeria, 560.
Bolbophyllum, 160.
Bolbophyllum, 160.
Bolboxalis, 291.
Bolusanthus, 259.
Bolusia, 262.
BOMBACACEAE, 35, 38, 39, 63, 353, pl. 93.
Bombax, 353, pl. 93.
Bonamia, 459.
Bonatea, 152.
Bonaveria, 260.
Bonjeania, 262.
Bonnaya, 493.
Bonniera, 158.
Boottia, 78.
Bopusia, 487.
BORAGINEAE, 463.
Borassus, 111.
Borbonia, 264.
BORRAGINACEAE, 54, 55, 60, 64, 463, pl. 132.
Borraginoides, 466.
Borrago, 465.
Borreria, 522.
Boscia, 214.
Bosia, 183.
Bosqueia, 167.
Bosqueiopsis, 167.
Boswellia, 302.
Bothriocline, 570.
Bothriospermum, 466.
Botor, 272.
Botryceras, 327.
Boucerosia, 455.
Bouchea, 468.
Bouetia, 612.
Bougainvillea, 187.
Boussingaultia, 191.
Boutonia, 507.
Bowiea, 126.
Bowkeria, 492.
Bowlesia, 402.
Brabeium, 170.
Brachyachaenium, 553.
Brachycarpaea, 220.
Brachycome, 573.
Brachycorythis, 153.
Brachycorythis, 153.
Brachyelytrum, 96.
Brachylaena, 556.
Brachymeris, 579.
Brachypodium, 105.
Brachyrhynchos, 576.
Brachysiphon, 380.
Brachystegia, 254.
Brachystelma, 457.
Brachystelma, 456, 457.
Brachystelmaria, 457.
Brachystephanus, 511.
Brackenridgea, 359.
Bracteolaria, 257.
Bradburya, 276.
Bramia, 494.
Brandzeia, 249.
Brasenia, 197.
Brassica, 221, 224.
Brassica, 221, 224.
Brayera, 241.
Brazzeia, 358.
Brehmia, 429.
Bremontiera, 273.
Breonia, 525.
Breweria, 459, 460.
Brexia, 234, pl. 60.
Breynia, 324.
Bricchettia, 319, 608, 611.
Bridelia, 319.
Bridelia, 319.
Brignolia, 411.
Brillantaisia, 504.
Briza, 104.
Brizopyrum, 104.
Brocchia, 565.
Brochoneura, 208.
Brochoneura, 208.
BROMELIACEAE, 6, 122.
Bromus, 99, 104.
Broteroa, 551.
Broussonetia, 165.
Brownleea, 151.
Brucea, 300.
Brugmansia, 481.
Bruguiera, 388.
Brunella, 477.
Brunia, 237.
Brunia, 237.
BRUNIACEAE, 43, 44, 46, 47, 56, 65, 66, 67, 236, pl. 63.
Brunnichia, 178.
Brunsvigia, 137.
Bryodes, 493.
Bryomorphe, 561.
Bryonia, 540.
Bryonia, 540.
Bryonopsis, 541.
Bryophyllum, 233.
Bubania, 420.
Bubon, 409.
Bucculina, 153.
Buchenroedera, 265.
Buchholzia, 214.
Buchnera, 485.
Buchnerodendron, 368.
Buddleia, 428.
Buddleia, 427.
Buechnera, 485.
Buettnera, 356.
BUETTNERIACEAE, 354.
Buffonia, 195.