700 
INDEX. 
Aneura, 
Angelica, 
Anohaceje, 
Anophytes, 
Antennaria, 
Anthemis, 
Anthoceros, 
Anthoceroteje, 
Anthoxantlium, 
Anychia, 
Aph anorhegma, 
Aphyllon, 
Apios, 
Apium, 
Aplectrum, 
ApocynacejE, 
Apocynum, 
A^uifoliaceje, 
Aquilegia, 
Arabia, 
Arace.*:, 
Arachis, 
Araliacejs, 
Archangelica, 
Arche mora, 
Archidium, 
Arctostaphylos, 
Arenaria, 
Arethusa, 
Argemone, 
Aristida, 
Aristolochia, 
Aristolochiace.*, 
Arraeniaca, 
Arnica, 
Arrenatherum, 
Arrow grass Family , 
Artemisia, 
Arum, 
Arum Family , 
Asarum, 
Asclepiadaceae, 
Asclepias, 
Ascyrum, 
Asimina, 
Asparage.®, 
Asparagus, 
Asphodele®, 
Asphodel Tribe , 
Aspidium, 
Asplenium, 
Asprella, 
Aster, 
Astragalus, 
Atheropogon, 
684 
159 
18 
641 
237 
233 
681 
680 
608 
65 
647 
290 
95 
165 
467 
364 
364 
275 
13 
35 
445 
102 
166 
159 
158 
644 
263 
60 
473 
26 
584 
375 
374 
115 
241 
607 
458 
235 
446 
445 
374 
365 
366 
51 
19 
489 
489 
492 
492 
630,6321 
626 
604 
197 
103 
586 
Athyrium, 
Atragene, 
Atrichum, 
Atriplex, 
Aulacomnion, 
Avena, 
Azalea, 
Azolla, 
Baccharis, 
Ballota, 
Balsam Family , 
Balsamiflu®, 
BaLSAMINACE®, 
Baptisia, 
Barbarea, 
Barbula, 
Bartonia, 
Bartramia, 
Bean Tribe , 
Bellwort Family , 
Benzoin, 
BeRBERIDACE®, 
Berberis, 
Beta, 
Betula, 
Betulace®, 
Bidens, 
Bigelovia, 
Bignoniace®, 
Birch Family , 
Birthicort Family , 
Bladderwort Family , 
Blephilia, 
Bliturn, 
Bloodioort Family , 
Boehmeria, 
Boltonia, 
Borage Family , 
BoRAGINACE®, 
Botrychium, 
Bouteloua, 
Brachyelytrum, 
Briza, 
Brizopyrum, 
Bromus, 
Bruchia, 
Bryum, 
Buchnera, 
Buckbean Family , 
Buckwheat Family , 
Bupleurum, 
Bunias, 
Buxbaumia, 
Buxus, 
628 
4 
658 
380 
663 
m 
267 
641 
216 
332 
75 
432 
75 
109 
37 
653 
358 
660 
95 
497 
394 
20 
20 
382 
421 
421 
231 
215 
290 
421 
374 
285 
318 
379 
480 
437 
207 
334 
334 
6.35 
586 
581 
592 
594 
600 
645 
661 
305 
362 
385 
162 
41 
659 
409 
