473 
INDEX OF ORDERS AND GENERA. 
Aberia, 16. 
Abildgaardia, 420. 
Abrus, 87. 
Abutilon, 29. 
Acacia, 92. 
Acaciez, 92. 
Aczena, 95. 
Acalypha, 338. 
ACANTHACE®, 279, 
Acanthidez, 283. 
Acanthopsis, 284. 
Acanthus, 284. 
Acanthotheca, 200. 
Acharia, 122. 
Achneria, 449. 
Achyranthee, 317. 
Achyranthes, 318. 
Acmadenia, 43. 
Acmena, 112. 
Acridocarpus, 35. 
Acrolepis, 425. 
Acrosanthes, 131. 
Acrostemon, 217. 
-Acrostichum, 468. 
Acrotome, 306. 
Actiniopteris, 465. 
Adenachezena, 184. 
Adenandra, 44. 
Adenium, 247. 
Adenocline, 338. 
Adenogramma, 133. 
Adenosolen, 186. 
Adenostemma, 170. 
Adhatoda, 285. 
Adiantum, 463. 
Molanthus, 304. 
Aiirva, 317, 
> ---—~—= 
The Synonyms are in Italics. 
/Eschynomene, 81. 
Agapanthus, 398. 
Agathelpis, 293. 
Agathosma, 44. 
Ageratum, 170. 
Agrimonia, 95. 
Agrostemma, 22. 
Agrostis, 444. 
Aira, 450. 
Airochloa, 454. 
Aitonia, 60. 
Aizoon, 131. 
Ajuga, 308. 
Alberta, 152. 
Albertez, 152. 
Albizzia, 92. 
Albuca, 397. 
Alchemilla, 96. 
Alciope, 171. 
Alectra, 266. 
Alepidea, 188. 
Alhagi, 83. 
ALISMACE, 385. 
Allies, 398. 
Allosorus, 464. 
Alnus, 346. 
Aloe, 399. 
Alsinese, 22. 
Alsophila, 461. 
Alternanthera, 319. 
Althzea, 27. 
Alysicarpus, 82. 
Alyssum, 8. 
AMARANTACE®, 316. 
Amarantus, 317. 
AMARYLLIDER, 378. 
Amaryllidez, 379. 
Amaryllis, 381. 
Ambraria, 156. 
Amellus, 171. 
Amerina, 471. 
Ammocharis, 382. 
Ammannia, 115. 
AMPELIDE®, 57. 
Amphidoxa, 189. 
Amphiglossa, 191. 
Amphithalea, 71. 
Anabena, 339. 
Anacampseros, 24. 
ANACARDIACEX, 62. 
Anacardiee, 63. 
Anagallis, 222. 
Anaglypha, 172. 
Anarthrosyne, 82. 
Anastrabe, 265. 
Anaxeton, 193. 
Anchusa, 300. 
Ancylanthus, 152. 
Androcymbium, 404. 
Andropogon, 442. 
Aneilema, 409. 
Anemia, 469. 
Anemone, 1. 
Anesorhiza, 141. 
Anethum, 144. 
Angrzecum, 361. 
Aniseia, 254. 
Anisocheeta, 170. 
Anisopogon, 449. 
Anisoramphus, 209. 
Anomatheca, 373. 
Anona, 3. 
ANONACEX, 2. 
Anstrutheria, 109. 
