GENERIC INDEX 
Abies, 424 
Abrodictyum, 681 
Abutilon, 142 
Acacia, 115, 305 
Acer, 87, 505, 506, 509, 513, 512 
Acerates, 289 
Acetabula, 93 
Acetabulum, 93 
Achillea, 585, 615 
Aconitum, 511 
Acrolasia, 275, 277, 278; 281 
Acrostichum, 673, 675, 679 
Actinostachys, 671 
Adiantum, 319, 320, 349, 35% 
Aecidium, 4-6 
Aegilops, 147 
Aesculus, 511 
Agaricum, 112, 231 
Agave, 294, 623-625 
Agoseris, 310, 311, 501 
Agrostis, 385 
Agyropsis, 86 
Ailantus, 510 
Albatrellus, 426 
Alcicornium, 672, 673 
Aleuritopteris, 349 
Allantodia, 677 
Allium, 10, 12, 483, 484 
Allophylaria, 88 
Alsine, 250 
Alsophila, 672 
Amblystegium, 479 
Ambrosia, 338, 585; 
Amelanchier, 582 
Amianthium, 272 
Ampelopsis, 511 
Anapausia, 672, 679 
Anastrophus, 37!, 377 
Andropogon, 294, 370: 372s 373+ 378: 386, 
S72, S77» S78», 8%, 58% 585» 58% 
589, 598, 599, 616, 619, 620 
Androsace, 260 
Anemia, 346 
Anemone, 145 
Angiopteris, 669, 670 
Anhalonium, 628 
Anisogonium, 677 
Anomodon, 471, 473: 474 
Antennaria, 10, 294, 611, 615, 
Anthephora, 379, 373 
Anticlea, 272, 273, 2 
Antrophyum, 674 
Anychia, 328 
Aquilegia, 134, 145 
665, 676 
615, 618 
618 
Arabis, 488-490 
Arachis, 510 
Aralia, 291 
Archilejeunea, 553,555 
Arcypteris, 678, 679 
Arenaria, 578 
Ariocarpas, 622, 628, 633 
Aristida, 371, 385-387 
Aristolochia, 507. 511 
Aronia, 580, 595, 619 
Artemisia, 303, 307, 31° 
615, 617, 618 
Arthonia, 414 
Arthrostylidium, 372, 389 
Arundinaria, 287, 288 
Arundinella, 379, 373 
Arundo, 388 
Asclepias, 294, 339, 349 578, 584, 608, 
614, 619 
Ascyrum, 175 
Asparagus, 510 
Asperula, 166 
Aspidium, 357» 673» 678, 679 
Asplenium, 291, 355; 356, 677, 678 
Aster, 11, 309, 310, 554 
Athyrium, 355, 359 677; 678 
Atriplex, 248, 510 613 
Aulospermum, 23 
‘Azalea, 147, 584 
Azolla, 681 
578, 585, 611, 
Baccharis, 685-696 
Bactrospora, 
Baptisia, 336, 337, 33% 578, 582, 614, 
619 
Bartonia, 276-278 
Bazzania, 545 
Begonia, 145, 199-201, 204 
Belvisia, 674, 675 
Berberis, 582 
Besseya, 279-281 
Betula, 581, 582 
Biatora, 414, 416, 417 
Bicuspidaria, 275, 280 
Bihai, 656, 655 
Blechnum, 677, 678 
Bletia, 143 
Bolbitius, 97 
Boletus, 119, 
230, 231, 297: 
Boltonia, 323 
Bommeria, 347 
Botrychium, 42-55; 
Botrypus, 44 
112, 117, 118, 226, 228, 
298, 425, 426 
345, 669 
703 
