Abies, 248. 

 AcUroauthes, 183. 

 Aciuispou, 137. 



Actiea, 107. 

 Adenoste^ia, 189. 

 Agoseris, 176. 

 Agrostis, 291. 

 Alliaria, 48. 

 Allium, 51, 55, 69. 

 Allocarya, 231. 

 Alsia. 213. 

 Alyssum, 116, 221. 



Amarantus, 105. 

 Amellus, 115. 



Ammf><::eto-n, 176. 

 Amorphn, 116. 

 Anastatica, 47. 

 Aiidrostepliium, 57. 

 Anisolotns, 138. 



Antiscorbuticse, 48. 

 Apar^ia, 19. 



Apargidium, 19. 

 Aplopappus, 17, 39, 115. 

 Arctostapliylos, &S, 171. 

 Ardisia, 188. 

 Aster, 16, aS, l70. 

 Astragalus, 24, 116, 273. 

 Atbysanus, 47. 

 Atriplex, 304. 

 Audibertia, 235, 301. 



Bigeluvia, 188. 

 Biguouia, 192. 



Biolettia, 215. 



Blepbaripappus^ 245. 



Bioomeria, 54. 

 Bolelia, 124, 226. 

 Bootia, 95. 

 Brevoortia, 230, 2-50. 

 Brickellia, 103. 

 BrodicTa, 249. 

 Bursa, 275. 



Barkhausia, 179. 

 Bartouia, 116. 

 Batscliia, 116. 

 Berberis, 161. 



Cactus, 117. 



Cakile, 44. 



Calliachyris, 245. 



Callicbroa, 227, 245. 

 Callirhoe, 190. 



Calocbortus, 70, 249. 

 Calycoseris, 193. 

 Calymeiiia, 116. 

 Camptotbecium, 243. 

 Cantufi, 252. 

 Capsella, 275. 

 CaryotaxuR. 193. 

 Casselia, 186. 

 Castalia, 197. 

 Ceanotbus, 16, 101. 

 Ceutaurella, 190. 

 Cepa, 52. 

 CerHstium, 229. 

 Cerasus, 159. 299. 

 Clielidonium, 49. 



Cbeloue, 237. 



Cbeuoi»odiuui, 40. 

 Cbloris, 116. 



Cbloropyron, 180. 

 Cborizautbe, 104. 

 Cbrysamphora, 191. 

 Clirysopsis, 39, 115. 

 Cicuta, 1, 6. 

 Cicutaria, 3. 

 Claytonia, 294. 

 CJeome, 50, 274. 

 Clintonia, 124. 

 Collinsia, 23, 232. 

 Collomia, 252. 

 Cordylautbus, 180. 

 Coriaudrum, 3. 

 Corion, 229. 

 Cornacejje, 293. 

 Coulterina, 281. 

 Coulteropbytum, 281 



Crambe, 44. 

 Crantzia, 192. 

 Croton, 90. 

 Cryptantbe, 232. 

 Cryptoplenra, 176. 

 CyperuR, 116. 

 Cyrilla, 188. 



Dalea, 115, 117. 

 DarHngtonia, 191. 

 Delplduium, 36, 261. 

 Desinaiithns, 191. 

 DigitHlis, 118. 

 Dimeresia, 247. 

 Dimereza, 247. 

 Dimeria, 247. 

 DiplncuH, 151. 

 Diplouyx, 175. 



