INDEX TO GENERA. 



(Synonymes in parenthesis.) 



Abena, 117, 168. 



Abrus, 76. 



Abutilon, 63, 165. 



Acacia, 83, 166. 



Acalypha, 129, 169. 



Achimenes, 114. 



Achras, 104. 



Achroantb.es, 52, (132). 



Acbyranthes, 121, 169. 



Acrocomia, 138. 



Acrostichuin, (151, 156, 157). 



Acrosticuin, 157. 



Adelia, (129). 



Adenanthera, 82. 



Adiantum, 152, (153). 



Adlumia, 52. 



Aechmea, 134. 



Aegiphila, 118. 



Aeranthes, 133. 



Aescbynomene, 75. 



Agati, 75. 



Agave, 136, 169. 



Ageratum, 97, 167. 



Agrosti8, (147, 148). 



Alectoria, 145. 



Aleurites, 128. 



Allophyllus, 72. 



Alpinia, (134). 



Alsine, 60. 



Alsopbila, 151. 



Altemantbera, 121, 169. 



Althaea, (64). 



Alvaradoa, 73, 166. 



Alysicarpus, 76. 



Amaranthus, 121, 169. 



Ambrosia, 99, 167. 



Amelias, 99, 167. 



Amerimnon, 79. 



Ammannia, 87. 



Amyris, 69, 165. 



Anacardium, 73. 



Ananas, 50, 134. 



Ananassa, (134). 



Anastraphia, 102, 167. 



Andira, (79). 



Andrographls, 116. 



Andropogon, 146, (144, 147, 148), 170. 



Aneimia, (157). 



Anemia, 157, 170. 



Anguira, 90, 167. 

 Anisomeles, 119. 

 Anona, 57. 

 Anthemis, (101). 

 Anthephora, 146. 

 Anthericum, (136). 

 Antirrhinum, 113. 

 Antrophynm, 157. 

 Apluda, (150). 

 Aralia, (91). 

 Arcenthobium, 125. 

 Arenaria, 60. 

 Argemone, 58, 165. 

 Argythamnia, 128, 169. 

 Aristida, 147, (148), 170. 

 Aristolochia, 123. 

 Artanthe, (124). 

 Arthrostylidium, 150, 170. 

 Artocarpns, 130. 

 Arum, (138, 139). 

 Arundinella, 146. 

 Asclepias, 106, 168. 

 Ascyrum, 61. 

 Aspalanthns, (75). 

 Aspidium, 154, (155). 

 Asplenium, 154. 

 Aster, 98. 

 Ateleia, 80, 166. 

 Atriplex, 122, 169. 

 Avicennia, 118, 168. 

 Ayenia, 66, 165. 



Baccharis, 98, 167. 

 Ballota, (119). 

 Bambusa, 150. 

 Banisteria, (67). 

 Bastardia, 62, 165. 

 Batis, 123, 169. 

 Bauhinia, 81. 

 Begonia, 90. 

 Beloperone, 116. 

 Bernardia, 129, 169. 

 Besleria, 114. 

 Bidens, 100, 167. 

 Bignonia, (114, 115). 

 Bixa,59. 

 Blecbnum, 153. 

 Blechum, 115, 168. 

 Bletia, 132. 



(173) 



