764 GEOLOGICAL SUEVEY OF THE TERRITORIES. 



TrifoUuni variegatwn, Nuttv— Near Ogden, Utah, June; Little Cotton- 

 wood Cauoa, Utah, June. 



Trifolium Haydeni, Porter. (Hayden's report for 1871.) — Mountains 

 near Henry's Lake, Idaho, August. 



Fsoralea lanceolata, Pursh. — Plains near Ogden, Utah, June. 



Astragalus Canadensis, L. — Port Neuf Caiion, Idaho, July. 



Astragalus Canadensis, L. var. Mortoni, S. Watson. — Port Neuf Canon, 

 Idaho, July. 



Astragalus hypoglottis, L. — Snake River Valley, July ; near Fort Ellis, 

 Montana, July. 



Astragalus UtaJiensis, T. and G. (Gray's Rev. 1. c., 213.) — Ogden, Utah 

 July. 



Astragalus Geyeri, Gray. — Blackfoot River, Idaho, July. 



Astragalus tegetarius, S. Watson. — Near Fort Ellis, Montana, July; 

 Snake River Valley, August. 



Astragalus campestris, Gray. — Near Fort Ellis, Montana, July; Teton 

 Basin ; mountains near Henry's Lake, Idaho, August ; Grand Cafion of 

 the Yellowstone ; Clark's Fork, Wyoming. Very variable in the breadth 

 of the leaves. 



Astragalus junceus, Gray, {A. diver sifolius, Gray.) — Near Ogden, Utah, 

 June ; Snake River V^alley, July. 



Astragalus alpinus, L. — Yellowstone Lake, August. 



Astragalus pictus, Gray. — Snake River Plains, July. Occurs in great 

 abundance. 



Oxytropis nana, Nutt. — In fruit. Henry's Fork of Snake River, July. 



Oxytropis Lamberti, Pursh. — In fruit. Snake River Valley, July. 



Glycyrrhiza Upidota, Nutt. — Sand Creek, Idaho, October. 



Hedysarum MackenzU, Rich. — Near Ogden, Utah, June. 



Hedysarum boreale, Nutt. — Bear River, Utah, June; Trail Creek 

 Mountains, September; Teton Mountains, elevation, 10,000 feet, July; 

 Yellowstone Lake, August ; remarkably glabrous. 



Vicia Americana, Muhl. — Swamp near Ogden, Utah, June; Divide 

 between Marsh and Malade Valleys, near Brigham City, Utah. 



Lathyrus polypliyllus, Nutt. — Plains near Ogden, Utah, June. 



Lathyrus palustris, L. — Near Ogden, Utah, May. 



Lathyrus palustris, L., Form. — Near Blackfoot River, Idaho, July. 



Lathyrus palustris, L,, var. myrtifolius, Gray. — Near Ogden, Utah, 

 Jnne. The specimen was collected, but unfortunately lost. 



Fisum arvense, L. Accidental.— Port Neuf Caiion, Idaho. 



Thermopsis fabacea, D. C. — Divide between Marsh and Malade Val- 

 leys, June. 



ROSACEA. 



Prunus demissa, Walp. — Divide between Marsh and Malade Valleys, 

 June. 



Spircea dumosa, Nutt. — {8. aricefolia, var. discolor, T. and G.) — Twin 

 Buttes, on Henry's Fork of Snake River, July. 



SpircBa opuUfolia, L. — Ogden Caiion, Utah, June. 



Spircea opuUfolia, L. var. pauciflora, Hook. — Mountains near Ogden, 

 Utah, June. 



Spircea betulcefolia, Pallas. — Teton Mountains, elevation 11,000 feet, 

 July. 



Spircea betulcefolia, Pallas, var. rosea, Gray. — Shoshone Lake, Septem- 

 ber ; mountains near Henry's Lake, Idaho, August. 



Spirceci Millefolium, Torr. (P. R. R. Rep., vol. iv, p. 83, t. 5.) Snake 



