INDEX OF GENERA. 
Abildgaardia, 122. 
Acriulus, 132. 
Acrospira, 50. 
Adenotheca, 48. 
Aérangis, 8. 
Aéranthus, 9, 11. 
Agrostis, 207. 
Albuca, 57. 
Allium, 56. 
Aloe, 44. 
Amomum, 20. 
Amorphophallus, 86. 
Ananas, 25. 
Anatherum, 152. 
Anchomanes, 87. 
Andropogon, 150, 152-4, 
Andropogon, 142. 
Aneilema, 79. 
Angrecum, 9. 
Angraecum, 8, 19. 
Anisanthus, 30. 
Anosporum, 112. 
Ansellia, 7. 
Anthephora, 193. 
Anthericum (2), 54. 
Anthericum, 50, 55. 
Anthistiria, 161, 
Antholyza, 30. 
Antoschmidtia, 230. 
Antrolepis, 130, 131. 
Anubias, 88. 
Aponogeton, 93. 
Aristea, 27. 
Aristida, 202. 
Aroides, 90, 
Arthraxon, 138. 
Arundo, 218. 
Ascolepis, 130. 
Ascolepis, 130. 
Asparagus, 41. 
Avena, 211. 
Axonopus, 184. 
Bambusa, 256. 
Barlea, 16. 
Bechera, 192. 
Beckeropsis, 193. 
Bluffia, 184. 
Blyxa, 1. 
Boophane, 35. 
Boottia, 2. 
Brachycorythis, 19. 
Buforrestia, 80. 
Bulbine, 48. 
Bulbophyllum, 3. 
Bulbostylis, 124. 
Buphane, 33, 35. 
Burmannia, 2. 
Caladium, 89. 
Calamagrostis, 205. 
Campulosus, 221. 
Campylandra, 55. 
Canna, 24, 
Catabrosa, 234. 
Cenchrus, 141, 190, 210. 
Cenchrus, 188. 
Centotheca, 228. 
Chloris, 221. 
Chloris, 222. 
Chlorophytum, 53. 
| Clinogyne, 23. 
Cocos, 84, 
Coix, 161. 
Colocasia, 88. 
Commelina, 74. 
Corymbis, 11. 
Corynophallus, 87. 
Costus, 21. 
Crinum, 32. 
Crossotropis, 226. 
Crypsis, 210. 
Cryptostephanus, 32. 
Ctenium, 221. 
Culcasia, 90. 
Curculigo, 31. 
Cyanopogon, 80. 
Cyanotis, 80. 
Cymbidium, 6. 
Cymbopogon, 154. 
Cynodon, 162. 
Cynodon, 220. 
Cyperus, 106, 109, 119. 
Cyperus, 109. 
Cyrtanthus, 34. 
Cyrtopera, 5. 
Dactylis, 227. 
Dactyloctenium, 224. 
Danthonia, 213. 
Danthonia, 211. 
Dasystachys, 53. 
Dichrolepis, 95. 
Dichromena, 132. 
Digitaria, 162. 
Dinebra, 223. 
Dioscorea, 36. 
Dipcadi, 56. 
Diplachne, 225-7. 
Diplachne, 227. 
Diplogastra, 12. 
Disa, 17. 
Disperis, 19. 
Donax, 23. 
Draczena, 47. 
Echinochloa, 173. 
Eichornia, 66. 
