Abacopteris, 131 
Abies, 23, 27, 29, 31-33, 450 
Abronia, 681-686 
Abutilon, 362 
Acalypha, 362, 365, 368 
Acanthophyllum, 198, 199 
Acer, 97, 98 
Acia, 447 
Aconitum, 149-151, 181 
Acrophorus, 131 
627, 629, 632, 671 
Actinostemma, 181 
Adenoderris, 131 
Adenostegia, 231 
Adesmia, 200, 202 
Adiantum, 581 
Adonis, 214 : 
Aecidium, 31, 112, 153, 299, 309, 459 
Aesculus, 200 
Agaricus, 73, 561, 562, 602, 603 
Agropyron, 291, 293 
Agrostis, 466 
Albugo, 61 
Alchemilla, 87 
Alisma, 704 
Allionia, 680, 681, 687-693 
Allioniella, 681, 687, 688 
Allocarya, 643 
Alnus, 97, 200, 203, 204, 215, 454 
Alphitomorpha, 303 
Alsophila, 577 
-Alstroemeria. 699 
Althagi, 185 
Amanita, 562 
Amanitopsis, 562 
marantus, 568 
~Amaurodon, 445, 447 
Amblia, 128, 131, 132 
Ambrosia, 567 
-Amelanchier, 200 
-Amphiblestra, 131 
-Amphicarpaea, 183 
-Ananas, 696 
Acrostichum, 136, 578, 620, 623, 624, 
GENERIC INDE A 
Antrophyum, 623 
Apeibopsis, 641 
Aplotaxis, 198. 
Aquilegia, 145, 146, 183, 300 
Arabis, 89 
Arachnion 252 
Arachniopsis, 287-289 
Aragoa, 590, 591 
Aralia, 706, 709 
Arctium, 89, 192 
Archangiopteris, 669 
Arctostaphylos, 642 
Arcyria, 551 
Argemone, 160 
Arisaema, 37-54 
Aristida, 294 
Armillaria, 562 
Artemisia, 18. I91 
Arthropteris, 131, 622 
Arum, 37 
| Asclepias, 667 
Ascobolus, 458 
Aspergillus, 170 
Aspidium, 122,,126-129, 131-'34, 136, 
583, 584, 621 
Asplenium, 175, 487-495, 581, 582, 622, 
623, 627 
Aster, 18, 181, 184, 191, 214, 645, 646 
Asterodon, 445, 447 
Astragalus, 185, 224, 225, 573 
Atractobolus, 252 
Atragene, 155-158 
Atrichum, 162 
Atriplex, 453 
Aucuba, 365, 367, 371 
Auricularia, 552 
Auriscalpium, 439, 443, 447 
Avena, 196 
Ballota, 181 
Barlaea, 459 
Bartonia, 173, 174 
Bartsia, 90 
Bathmium, 129, 131-133 
Begonia, 367 
Berberis, 14, 15, 107, 117 
Betula, 15, 105, 204, 305, 640 
Bicuculla, 160 
Bidens, 89, I91 
Bigelovia, 192, 294 
Bilbergia, 
Blepharostoma, 282, 284-286 
Bocconia, 214 
Boletus, 206, 554, 555, 599, 602, 603 
719 
