BOTAISTT. 



Plate XX. Stephanomeria myeioclada, S. paniculata, 



S. EXIGUA, S. PENTACH^TA and GrLYPTO- 



PLEUEA MARGiNATA facing page 198 



XXI. Antirrhinum Kingii and A. vagans do — 216 



XXII. Synthyris pinnatifida and Cordylanthus ' 



Kingii do - ■ 



XXIII. Mertensia brevistvla, Eriteichium Kingii, 



E. GLOMERATUM and Van, Echinospeemum 

 Redowskii and Var., and E. patulum do-. 



XXIV. Teicardia Watsoni do - ■ 



XXV. COLLOMIA LEPTALEA, GrILIA BiGELOVII and 



Gr. Nuttallii do.. 



XXVI. GiLiA Watsoni, Gr. leptomeria, and Gr. cam- 



PANULATA do.. 



XXVI [. NicoTiANA attenuata and N. Bigelovii do - . 



XXVIII. Oryctes Nevadensis and Asclepias cryp- 



TOCERAS do . . 



XXIX. Erythema Nuttallii do . . 



XXX. Hesperochiron Califoenicus do - . 



XXXI. Abronia turbinata and A. umbellata do- 



XXXII. Hermidium alipes do . 



XXXIII. Eriogonum nutans and Oxytheca Watsoni. . .do- 



XXXIV. Oxytheca perfoliata and Chorizajstthe 



Watsoni do.. 



XXXV. Betula occidentalis do- • 



XXXVI. Leucocrinum montanum, Allium anceps, A. 



FALCIFOLIUM and A. UNIFOLIUM , . . do 



XXXVII. Allium bisceptrum, A. serratum, A. acumi- • 

 natum, a. Sanborni, a. attenuifolium, 



and A. Palmeri ..do 



XXXVIII. Allium Nevadense, A. atrorubens, A. tri- 



bracteatum, a. Bigelovii and scaposum do 352 



XXXIX. Ephedea antisyphilitica do 330 



XL. Eeemochloe Kingii, E, Bigelovii and Pel- 



LiEA Breweri do 396 



227 



246 

 258 



263 



271 



276 



275 



277 

 281 

 285 

 286 

 307 



312 

 323 



349 



351 



