MR. GEYER'S ROCKY MOUNTAIN PLANTS. 225 
species ; and the characters seem very constant. The two 
kinds are mixed in the specimens of G. ramosissimum sent 
me by Mr. Nuttall. * 
3. G. racemosum (Trichomeria) Nutt. — Torr. et Gr. Am. 1. 
p- 514. 
Han. Desert of the Platte.—Sent by Mr. Geyer separately, 
but marked as probably belonging to n. 45, Œnothera 
contoría, (equally perhaps a Gayophytum, if that genus is 
good for anything) ; but itis in reality a very different plant: 
found also by Mr. Douglas in 1835 in the upper branch of 
the Columbia. 
1. Clarkia rhomboidea, Dougl.—Hook. Fl. Bor. Am. 1. p. 
214. Lindl. Bot, Reg. t. 1981. 
Has. On dry gravelly shady slopes of the high mountain at 
Tshimakaine, Spokan country. July. (n. 658.) 
2. Clarkia pulchella, Ph.—Lindl. Bot. Reg. t. 1100. Hook. 
Bot. Mag. t. 2918, and Fl. Bor. Am. 1. p. 214. : 
Has. Barren plains of mountain slopes, Upper Oregon, 
towards Columbia River; very abundant. June. (n. 563.) — 
l. Gaura coccinea, Nutt.—Hook. Fl. Bor. Am. 1. y 208. 
Torr, et Gr. Am. 1. p. 518. 3 
Hans. Gravelly elevated plains of Lower Platte, growing with 
Œnothera serrulata. Flowers white, nas € ~ 
grant at night. June. (n. 172.) 
~ 2. G, parviflora, Dougl.—Hook. Fl. Bor. Ait 1. p. 508. 
_ "Torr. et Gr. Am. 1. p. 519. Hook. Bot. Mag. t. 3506. —— 
2E mollis, Nutt. in Ann. Lyc. N. York, 2. p. dO: amid e. 
a ALB. E. Bee 
2 Bas. Fertile mice a oos River, Upper Platte, near 
^ Laramie's Fork. July. (n. 55) co 
. 1l. Cireæa alpina, L.—Hook. Fl. Bor. Am. Ay P 215. To 
QS Gr Am. lp. 527 o 2 
e. Moist mountain woods on the e Upper Columbia. 
9uly. rama) Vite ne 
