786 GEOLOGICAL SURVEY OF THE TERRITORIES. 



YiJfa airoulefi, Triu. — Great Salt Lake, June; hot springs, ten miles 

 from Ogdon, Utah ; Marsh Valley, Idaho. 



Vilfa asperifolin, Nees. and Meyer. — Port Neuf Valley, Idaho, July ; 

 common in both Geyser Basins, August; Twin Buttes on Henry's Fork 

 of Snake Iiiver, 



Vilfa (lepauperata^ Torr. — BlackfootEiver, Idaho, July; Henry's Fork 

 of Snake Eiver ; Upper Geyser Basin, August. 

 Agroatis 'perennans^ Gr. — Lower Geyser Basin, August. 

 Agro.stis scabm, Willd. — Snake River Valley, July; Lower Geyser 

 Basin, August ; Jackson's Lake, September. 

 Agrostis cxarata, Triu. — Teton Mountains, elevation 10,000 feet, July. 

 Afirosfis canina, L., var. alpbia, Oakes. — Growing in the spray of the 

 Grand Falls of the Yellowstone, August. 



China arundliiacca, L.— Union Pass, Gallatin River, September. 



Vaseya comafa, Thurber. — Upper Geyser Basin, August. 



CalamagroHila Canadensis, Beauv. — Henry's Fork of Snake River, 

 July ; Teton foot-iiills, August. 



Calamagrostis Langsdorfii, Triu. — Henry's Fork of Snake River, July. 



Calamagrosfis sfricfa, Trin. — Uintah Mountains, Wyoming, August, 

 187ii, Dr. Joseph Lcidy ; Teton Basin, August ; Henry's Fork of Snake 

 River, July. 



Calamagrostis sylvafica, I). C. — Teton Basin, July ; Henry's Lake, 

 Idaho; August; Teton Range. 



Eriocoma cnspldata, Nutt. — Plains near Ogden, Utah, June ; Snake 

 River Valley, July ; Upper Canon of the Madison, August. A valua- 

 ble " bunch-grass." 



Stipa spartca, Trin. — Near Brigham City, Utah, June ; Fort Hall, 

 Idaho, July. 



Stlpa comata, Trin. — Snake River Plains, July. 



Sti2}a viridula, Trin. — Henry's Fork of Snake River, July. 



Bouteloua oUgosfaehya, Torr. — Union Pass, Gallatin River, September. 



SparUna gracilis, Trin. — Snake River Valley, July ; found in both 

 Geyser Basins, August. 



KcvJeria cristata, Pers. — Plains near Ogden, Utah, June; Marsh 

 Valley, Idaho ; Teton foot-hills, July ; Upper Canon of the Madison, 

 August. 



Uatonia. oMusaia, Gray. — Port Xeuf Canon, Idaho, July. 



Melica hulbosa, Geyer. (Gray, in Proc. Am. Acad., May, 1872.) The 

 M, powoides of Win[)ple's Rep. and Bolander, but not of Nuttall. — Near 

 Ogden, Utah, June ; Snake River Valley, July ; Upper T6ton Canon. 



Melica stricta, Boland. — Red Mountain, elevation 10,000 feet, Septem- 

 ber. 



Ghjceria nervata, Trim. — Port Neuf Valley, Idaho, July ; Shoshone 

 Lake, September. 



Glyceria paucljJora, Presl. — Snake River Valley, July. 



Glyceria distans, Wahl. — Upper Geyser Basin, x\ugust. 



Brizopyrum spicatum. Hook. — Great Salt Lake, June ; hot springs, 

 ten miles from Ogden, Utah ; Snake River Valley, July. 



Poa alpina, L. — Teton Range, elevation 10,000 ieet, July. 



Poa JEatoni, S. Watson. — Near Great Salt Lake, Utah, June. 



Poa Kingii, S. Watson. — Near Great Salt Lake, Utah, June ; Teton 

 Range. 



Poa tenuifolia, Nutt. — Uintah Mountains, Wyoming, August, 1872. 

 Br Joseph Lcidy. 



Atropis Cali/ornica, Muuro. — Malade Vallej", Utah, June. 



Festuca icuclla, Willd. — Plains year Ogden, Utah, June. 



