MR. GEYER'S ROCKY MOUNTAIN PLANTS. 215 
4. H. decumbens, Nutt.—Torr. et Gr. Am, 1. p. 352. 
Has. Sandy slopes of the volcanic Table-lands, towards 
Spokan and Columbia River. Corolla pale lilac. July. 
(n. 475.)—H. tenuifolius, judging from Mr. Nuttall’s speci- 
men, is scarcely different from this. 
5. H. brachycarpus, Nutt.—Torr. et Gr. Am. 1. p. 352. 
Has. Forming large patches, on the calcareous cliffs of the 
Rocky Hills of the Upper Platte near the Forks. June. 
(n. 171.)—This is named Phaca simplicifolia, Nutt., by 
Mr. Geyer; and it seems to accord sufficiently with the 
description of that species which, Drs. Torrey and Gray 
observe has the habit of Homalobus. — ; 
1. Kentrophyta montana, Nutt.—Torr. et Gr. Am. 1. p. 353. 
—£. viridis, K. viridis, Nutt. Torr. et Gr. l. c. 
Has. 6. Gravelly denuded sunny places, in the drift-sand 
plains of Upper Platte, with “ GEnothera coronopifolia. z 
Flowers bluish-white. June. (n. 123) —Very variable in 
the hoary or silky covering. Splendid specimens, and some 
| quite white with silky down, were found by Mr. Gordon, D 
in the Upper Platte. (n. 74.) Mr: Douglas also gathered — — 
this plant in 1835, but the exact locality is not recorded. — — 
= l. i canescens, Nutt. — Torr. et Gies Ami) 1. 
. Has. On deep ferruginous prebe Bakal of. a diis river "c : 
. Near the “Red Buttes,” between Platte’ and Sweet Water — — 
Xem Rivers, rare, and seen nowhere else. Standard rose colour, = 
_ Wings bluish-lilac, June. (n. 71.)—Exactly according with — 
. Mr. Nuttall’s specimens, both in leaves, flower and fruit, — 
re with specimens found Mr. Godano on the «dec 
ub Lis era, Dougl. ii Bot: Se t-1140,-Habk.- 
2 Fl. Bor. Am. 1. p- 164. Torr. et Gr. Am. 1. p. 377 
