7 : : Ham In a small meadow on the Upper ‘Sweet 1 
212 MR. GEYER’S ROCKY MOUNTAIN PLANTS. 
8. A. Drummondii, Dougl. in Hook. Fl. Bor. Am. 1. p. 153. 
t. 57. Torr. et Gr. Am. 1. p. 337. 
Has. Fertile elevated plains of Platte River near Laramie’s 
Fork. July. Two feet high, very bushy; corolla always — 
white. (n. 52.) . 
1. Oxytropis Lamberti, Ph.—Nutt. Gen. Am. 2. p. 98. Hook. 
Fl. Bor. Am. 1. p. 147. Torr. et Gr. Am. 1. p. 339. 
Han. Elevated gravelly plains of Kanzas and Lower Platte —— 
Rivers. This species of Astragalus varies with all thé — 
beautiful colours exhibited in Lathyrus. It generally grows À 
in peer with * Pentstemon albidus," and “ Sida coc- 4 
cinea.” June. (n. 77.) E 
2. O. sericea, Nutt.—Torr. et Gr. Am. 1. p. 339.—0. folis — 
omnibus obovato-ellipticis. E 
Has. 8. On the Black Hills near Fort Laramie. Corolla of 
_the same colour as the flowers of Apios tuberosa. (n. 256.) — 
8. O. campestris, DC.—Hook. Fl. Bor. Am. 1. p. 147. Torr. 
et Gr. Am. 1. p. 341.—$. speciosa, Hook. I. c. 
Has. 8. On the fertile elevated plains of the Platte River, — 
with Psoralea esculenta and canescens. Flowers y 
rose colour, often pure white, or having the vexillum 
tipped with violet. June. (n. 5.)— These are superb speci- 
mens, a foot or a foot and a half long. Spikes much elon- 
gated, especially in fruit. Leaves and calyces very SUSY: 
Mr. Gordon finds the same noble variety on abe Une 
ss Faite. © 
4. O. multiceps, Nutt.— Torr: et Gr. ve 1. pP. sa 
. . Has. Stony ridges along the hills of Ups Dites g 
cag Mamillaria simplez, very rare. July. (n: 120.) 
- deflexa, DC. Richards. App. Frankl- Journ--ed. 
(Pe 28. Hook, Fl. Bor. Am. 1. p. 148. Torr. et Gr, Am. 
_ p- 342.— f. sericea, Torr, et Gr. Am. I. c. 3 
— . Mountains, rare. August. (n. 108). | 
a “1. Phaca cespitosa, Nutt.—Hook- Fl. Bor. Am. 1. p. 143- t 
= 55. Torr. et Gr. Am. Y. p. AE degit e 
oo noribus vix flores ; es: | 
