INDEX 



OP THE 



NATURAL ORDERS AND GENERA. 



«*» The names of the Orders are in Capitals.— Suborders are marked with the (t), and Sections with 

 the («).— The Tribes are in Roman spaced,— the Genera in Roman— and the Synonyms in Italic. The 

 figures after Sijn. refer to the Synonyms of the Genus next above. 



Arundo. . 



Syn. I 



Asarum, . 

 ASCLEPIADACE.ffi. 



Asclepias, 



Ascyrum, 

 Asp arageae, 

 Asparagus, 

 Asphodelus, 

 Aspidium, 



Asplenium, 



Syn. 



Syn. 



Syn. 

 Aster, . . 318— 

 Syn. 325, 326, 327, 

 As te roide aj. 

 Astragalus, 

 Atheropogon, . 

 Atraire.ne, 

 Atriiilex, 

 Atropa, 



Syn. 

 AURANTIACE-E, 

 Avena, 



Syn. 609, 

 A vene ae, 

 Avicularia, 

 Azalea, . 



Syn. 375, 376, 

 Azolla, 

 Baccharis, 



Syn. 

 Ballota, 



BALSAMIFLUJE, 

 BALSABIlNACEiE, 

 Baptisia, . 

 Barbarea, 



Bartonia, . 268, 

 Bartsia, . . 409, 

 Batatas, . . 442, 

 Batschia, 

 Begonia, . 

 BEGONIACE.E, . 

 Bellis, 

 Benzoin, . 

 BERBERIDACE-E, 

 Berberis, . 

 Beta. 

 Betula, 



Syn. 

 BETULACEiE, 

 Bidens, 

 Bigelovia, 



Bignonia, . 394. 

 BIGNONIACE.E. . 

 Bistorta, 

 Blephilia, 

 Blitum, . 

 Babera. . 

 Boehmeria, 

 Boltonia, 

 Bootsia, . 

 Borragea>, . 

 BORRAGINACE.a:, 

 Borrago. 

 Botrychium, . 

 Brachyelytrum, . 



