47 4. INDEX OF ORDERS AND GENERA. 
Anthemide, 182. 
Anthericee, 399. 
Anthistiria, 443. 
Anthochortus, 416. 
Antholyza, 374. 
Anthospermes, 155. 
Anthospermum, 156. 
Antidesma, 341. 
Antiphora,, 438. 
Antirrhinidez, 262. 
Antirrhinee, 263. 
Antithrixia, 194. 
Antizoma, 4. 
Apium, 138. 
APOCYNE®, 244. 
Apodytes, 50. 
Aponogeton, 386. 
Aptosimum, 266. 
Apuleia, 205. 
Arabis, 8. 
Arachis, 81. 
ARALIACER, 146. 
Arctopus, 145. 
Arctotheca, 202. 
Arctotidez, 201. 
Arctotis, 201. 
Argyrella, 113. 
Argyrolobium, 74. 
Aristea, 372. 
Aristida, 446. 
AROIDER, 388. 
Arrowsmithia, 207. 
Artemisia, 185. 
Arthratherum, 446. 
Arthrocnemum, 314. 
Arthrosolen, 325. 
Arundinella, 438. 
Arundo, 452. 
ASCLEPIADER, 226. 
Askidiosperma, 413. 
Aspalathus, 76. 
Asparagopsis, 406. 
Asparagus, 406. 
Asparagus, 406. 
Aspidium, 466. 
Aspidoglossum, 236. 
Asplenium, 465. 
Astephanus, 231. 
Aster, 172. 
Asterese, 171. 
Asterocheete, 423, 
Asteroidese, 171. 
Astragalez, 80. 
Astragalus, 80. 
Asystasia, 287. 
Athanasia, 188. 
Athrixia, 193. 
Athyrium, 465. 
Atriplex, 313. 
Atropis, 444. 
Audouinia, 105. 
Augea, 37. 
Aulacorhynchus, 426. 
Aulaya, 272. 
Aulax, 329. 
Aurantie, 46. 
Avena, 450. 
Avicennia, 292. 
Avicenniez, 292. 
Aviceps, 365. 
Azolla, 471. 
Babiana, 373. 
Baccharides, 174. 
Beeomitra, 404. 
BALANOPHOREA, 107. 
Ballota, 306. 
Balsaminez, 41. 
Balsamodendron, 47. 
Barbarea, 7. 
Barberetta, 377. 
Barleria, 283. 
Barosma, 44. 
Barringtonia, 112. 
Barringtoniex, 112. 
Barrowia, 240. 
Bartholina, 364. 
Batatas, 253. 
Bauhinia, 91. 
Begonia, 128. 
BEGONIACEX, 128, 
Belmontia, 252. 
Berardia, 104. 
Bergia, 26. 
Berkheya, 235. 
Bersama, 61. 
Berzelia, 103. 
BETULACE®, 346, 
Bidens, 179. 
BIGNONIACE®, 274. 
Bignonies, 275. 
Brxaces#, 13. 
Bixinee, 14. 
Bleeria, 217. 
Blechnum, 465. 
Blepharis, 284. 
Bluffia, 436. 
Blumea, 176. 
Beckhia, 414. 
Bochmeriex, 344. 
Boerhaavia, 308. 
Bonatea, 363. 
Borage, 299. 
Boracinew, 296, 
Borbonia, 72. 
Boscia, 12. 
Botryceras, 63. 
Bouchea, 290. 
Bowiea, 401. 
Bowkeria, 264. 
Brabeium, 332. 
Brachycarpza, 10. 
Brachycorythis, 367. 
Brachyleena, 175. 
Brachymeris, 184. 
Brachypodium, 457. 
Brachyrhynchos, 199. 
Brachysiphon, 322. 
Brachystelma, 241. 
Bracteolaria, 89. 
Brassica, 9. 
Brehmia, 249, 
Brexia, 99. 
Brexiex, 99. 
Briedelia, 341, 
Briza, 455. 
Brizopyrum, 453. 
Bromus, 456. 
Brownleea, 365. 
Bruguiera, 108. 
Brunia, 104. 
Brvniacem, 108. 
Brunsyigia, 382. 
Bryomorphe, 191. 
Bryophyllum, 102. 
Bubon, 144. 
Bucculina, 363. 
Buchenrcedera, 76. 
Buchnera, 270. 
Buchneree, 270. 
Buddlea, 249. 
Buddleies, 249. 
Buekia, 423. 
Bulbine, 400. 
Bulbinella, 400. 
Bulliarda, 100. 
Bunburya, 154. 
Buphane, 382. 
Bupleurum, 140. 
Burchellia, 150. 
Burkea, 90. 
Burmannia, 370. 
BurRMANNIACE®, 369. 
BursERACER, 47. 
Cacalia, 197. 
CactEx, 128. 
Cadaba, 12, 
