Abelmoschus, 352.
Aberia, 372.
Abies, 70.
Abildgaardia, 109.
Abrotanella, 579.
Abrus, 270.
Abutilon, 352.
Acacia, 247.
Acaena, 241.
Acalypha, 313.
Acampe, 158.
ACANTHACEAE, 51, 54, 55, 56, 57, 502, pl. 142.
Acanthonema, 501.
Acanthopale, 506.
Acanthophoenix, 113.
Acanthopsis, 509.
Acanthosicyos, 540.
Acanthotreculia, 167.
Acanthus, 509.
Acanthyllis, 270.
Acer, 335.
ACERACEAE, 31, 34, 335.
Aceras, 152.
Aceras, 152.
Achantia, 355.
Acharia, 376.
ACHARIACEAE 54, 376.
Acharitea, 469.
Achillea, 577.
Achneria, 105.
Achras, 423.
Achyranthes, 184, pl. 41.
Achyrocline, 556, 562.
Achyropsis, 184.
Achyrospermum, 478.
Achyrothalamus, 552.
Acidanthera, 142.
Acioa, 243.
Acmadenia, 297.
Acmena, 392.
Acocanthera, 437.
Aconitum, 199.
Acorus, 115.
Acrachne, 93.
Acridocarpus, 307, pl. 77.
Acritochaete, 82.
Acriulus, 106.
Acrocephalus, 473.
Acrocoelium, 335.
Acrolophia, 156.
Acrosanthes, 190.
Acrosepalum, 350.
Acrospira, 131.
Acrostemon, 416.
Acrostylia, 151.
Acrotome, 476.
Actephila, 320.
Actinoschoenus, 108.
Acuan, 245.
Acustelma, 445.
Adansonia, 353.
Adelodypsis, 113.
Adelosa, 470.
Adelostigma, 567.
Adenachaena, 580.
Adenandra, 297.
Adenanthera, 246.
Adenia, 376, pl. 106.
Adenium, 433.
Adenocarpus, 266.
Adenochlaena, 313.
Adenocline, 315.
Adenodolichos, 278.
Adenogonum, 572.
Adenogramma, 188.
Adenoplea, 427.
Adenoplusia, 428.
Adenopus, 539.
Adenosolen, 579.
Adenostemma, 570.
Adhatoda, 512, 513.
Adicea, 169.
Adina, 530.
Adinandra, 360.
Adolia, 344.
Adonis, 198.
Aechmolepis, 444.
Aedesia, 570.
Aegialophila, 550.
Aegilops, 90.
Aegle, 299.
Aeglopsis, 609.
Aeluropus, 104.
Aeolanthus, 474.
Aeonia, 159.
Aeonium, 232.
Aerangis, 158.
Aeranthus, 158.
Aerua, 184.
Aeschynomene, 269, 270, 284, 286.
Aetheilema, 505.
Aethionema, 225, 228.
Aethusa, 410.
Aframomum, 147, pl. 24.
Afrardisia, 418.
Afrocalathea, 149.
Afrodaphne, 210.
Afromendoncia, 502.
Afrorhaphidophora, 115.
Afrormosia, 259.
Afrosison, 611.
Afrostyrax, 425.
Afrothismia, 150.
Afzelia, 255.
Afzelia, 255.
Afzeliella, 394.
Agapanthus, 130.
Agathelpis, 489.
Agathophora, 180.
Agathophyllum, 209.
Agathosma, 296. pl. 73.
Agauria, 416.
Agave, 138.
Agelaea, 244.
Ageratina, 569.
Ageratum, 570.
Agialid, 293.
Agrimonia, 241.
Agropyrum, 90.
Agrostemma, 196.
Agrostis, 97.
Agrostis, 97.
Agrostistachys, 312, 610.
Agrostophyllum, 156.
Agyneia, 323.
Aichryson, 232.
Aira, 98.
Aira, 98, 100.
Airopsis, 98.
Aitonia, 305.
AITONIEAE, 302.
AIZOACEAE, 9, 10, 11, 12, 13, 14, 16, 17, 27, 48, 49, 63, 68, 188, pl. 43.
Aizoon, 190.
Ajuga, 471.
Alafia, 435.
ALANGIACEAE, 43, 65, 67, 389.
Alangium, 389.
Albersia, 183.
Alberta, 516.
Albizzia, 248.
Albuca, 126.
Alcea, 352.
Alchimilla, 241.
Alchornea, 314.
Alchornea, 314, 315.
Alciope, 573, 575.
Aldrovanda, 230.
Alectra, 486.
Alepidea, 403.
Aleurites, 312, 610.
Alhagi, 274.
Alisma, 76.
Alisma, 76.
ALISMATACEAE, 5, 75, pl. 6.
ALISMATACEAE, 77.
Alkanna, 465.
Allagopappus, 560.
Allamanda, 436.
Allanblackia, 361, pl. 99.
Allexis, 367.
Alliaria, 223.
Allium, 125.
Allocalyx, 494.
Allophyllus, 336.
Alluaudia, 335.
Alnus, 163.
Alocasia, 116.
Alocasiophyllum, 117.
Aloë 133.
Alonsoa, 490.
Alopecurus, 84, 86.
Alpinia, 147.
ALSINACEAE, 192.
Alsine, 195.
Alsodeia, 367.
Alsodeiidium, 334.
Alsodeiopsis, 334.
Alstonia, 441.
Alternanthera, 183.
Althaea, 352.
Althenia, 74.
Altheria, 356.
Alvesia, 474.
Alysicarpus, 273.
Alyssum, 218, 219.
Alyssum, 219.
Alyxia, 438.
Amanoa, 320.
Amaralia, 527.
AMARANTACEAE, 9, 11, 50, 182, pl. 41.
Amarantus, 183.
AMARYLLIDACEAE, 4, 6, 135, pl. 19.
AMARYLLIDACEAE, 139.
Amaryllis, 137.
Amberboa, 550.
Amblogyna, 183.
Amblygonocarpus, 246.
Ambora, 209.
Ambraria, 522.
Ambrosia, 565.
AMBROSIACEAE, 545.
Ambrosinia, 118.
Ambulia, 494.
Amelanchier, 239.
Amellus, 573.
Amerimnon, 273.
Ammannia, 384, 611.
Ammi, 412.
Ammiopsis, 404.
Ammocharis, 138.
Ammochloa, 101.
Ammochloa, 101.
Ammodaucus, 405.
Ammophila, 96.
Ammosperma, 223.
Amomum, 147.
Amorphophallus, 117, 607, pl. 12.
Ampalis, 166.
AMPELIDEAE, 346.
Ampelocissus, 346.
Ampelodesma, 100.
Ampelosicyos, 536.
Amphiblemma, 397.
Amphidoxa, 558, 561.
Amphiestes, 511.
Amphiglossa, 561.
Amphimas, 258.
Amphithalea, 263.
Amphoranthus, 187.
Amphorchis, 152.
Amphorocalyx, 394.
AMYGDALACEAE, 239.
Amygdalus, 242.
Anabasis, 180.
Anacampseros, 191.
Anacamptis, 152.
ANACARDIACEAE, 8, 19, 20, 27, 28, 325, pl. 81.
Anacardium, 326.
Anacolosa, 174.
Anacyclus, 577.
Anagallis, 419.
Anaglypha, 561.
Anagyris, 258.
Ananas, 122.
Ananassa, 122.
Anaphalis, 557.
Anaphrenium, 327.
Anarrhinum, 491, 493.
Anarthrosyne, 280.
Anastatica, 218.
Anastrabe, 492.
Anatherum, 87.
Anaxeton, 557.
Ancalanthus, 514.
Anchomanes, 118.
Anchusa, 466.
Ancistrocarpus, 350.
Ancistrochilus, 157.
ANCISTROCLADACEAE, 65, 378.
Ancistrocladus, 378.
Ancistrophyllum, 112.
Ancistrophyllum, 112.
Ancistrorhynchus, 158.
Ancylanthus, 519.
Ancylobothrys, 436.
Andira, 289.
Andrachne, 320.
Andradia, 251.
Androcymbium, 129.
Andrographis, 510.
Andropogon, 87.
Androsace, 420.
Androsaemum, 361.
Androsiphonia, 370.
Androstachys, 321.
Andryala, 546.
Aneilema, 123, pl. 16.
Anemone, 198, pl. 46.
Anethum, 409.
Aneulophus, 292.
Angelonia, 490.
Angkalanthus, 514.
Angolaea, 231.
Angrecopsis, 159.
Angrecum, 158.
Angrecum, 158, 159.
Angylocalyx, 259.
Anisacanthus, 515.
Anisanthus, 141.
Aniseia, 461.
Aniserica, 416.
Anisochaeta, 559.
Anisochilus, 475.
Anisocycla, 203.
Anisomeles, 478.
Anisopappus, 554.
Anisophyllea, 387.
Anisopoda, 413.
Anisopus, 452.
Anisorhamphus, 546.
Anisostachya, 512.
Anisostigma, 190.
Anisotes, 514.
Anisothrix, 560.
Anisotome, 457.
Anisotome, 457.
Annesorhiza, 409, pl. 119.
Anogeissus, 390.
Anoiganthus, 137.
Anomalanthus, 416.
Anona, 204, pl. 48.
Anona, 206.
ANONACEAE, 24, 26, 40, 41, 42, 54, 64, 203, pl. 48.
Anonidium, 206.
Anonychium, 246.
Anopyxis, 388.
Anoumabia, 611.
Ansellia, 156.
Anthaenantia, 81.
Anthagathis, 243.
Anthemis, 577.
Anthephora, 84.
Anthericopsis, 122.
Anthericum, 132.
Antherotoma, 394.
Anthistiria, 87.
Anthocleista, 428.
Antholyza, 141.
Anthospermum, 522.
Anthospermum, 523.
Anthostema, 310.
Anthoxanthum, 94.
Anthoxanthum, 94.
Anthriscus, 405.
Anthriscus, 412.
Anthyllis, 260.
Antiaris, 167.
Anticharis, 488.
Antidesma, 321.
Antinoria, 98.
Antirrhinum, 490.
Antirrhoea, 518.
Antithrixia, 561.
Antizoma, 200.
Antoschmidtia, 100.
Antrocaryon, 328.
Anubias, 116.
Anvillea, 553, 554.
Apalatoa, 255.
Apaloxylon, 255.
Apera, 97.
Aphanes, 241.
Aphania, 340.
Aphanocalyx, 252.
Aphanostylis, 436.
Aphelexis, 553.
Aphloia, 373.
Aphyllanthes, 130.
APIACEAE, 401.
Apicra, 133.
Apium, 413.
Apium, 413.
Apluda, 85.
APOCYNACEAE, 53, 55, 56, 58, 59, 64, 66, 67, 432, pl. 129.
Apodanthes, 177.
Apodiscus, 611.
Apodocephala, 558, 569.
Apodolirion, 137.
Apodytes, 334, pl. 84.
Apodytes, 334.
Apollonias, 210.
Aponogeton, 75, pl. 5.
APONOGETONACEAE, 5, 75, pl. 5.
Aporrhiza, 339.
Apostellis, 155.
Aprevalia, 250.
Aptandra, 174.
Apteranthes, 455.
Aptosimum, 489.
AQUIFOLIACEAE, 59, 61, 329.
Aquilegia, 199.
Arabis, 217, 223.
Arabis, 218.
ARACEAE, 3, 114, pl. 12.
Arachis, 267.
ARALIACEAE, 43, 46,