124 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Rance: Mountains of New England and New York to Alaska south to Oregon and 
Colorado. Europe. 
SPECIMENS EXAMINED: Olympic Mountains, Elmer 1670; Mount Rainier, Piper 1949; 
Mount Rainier, Smith 690; Mount Adams, Henderson 2147; Stevens Pass, Sandberg & Lei- 
berg, August, 1893; Wenache Region, Brandegee, 1176; North Fork of Bridge Creek, Elmer 
735; Mount Stuart, Elmer 1151; Skamania County, Fleft 1371; Cascade Mountains, Vasey 
423. 
ZONAL DISTRIBUTION: Hudsonian. 
3. Deschampsia calycina Presl, Rel. Haenk. 1: 251. 1830. 
Aira danthonioides Trin. Mem. Acad. St. Petersb. VI. 1: 57. 1830. 
Type Locauity; ‘Hab. ad Monte-Rey Californiae.”’ 
Rance: Washington and Idaho to California and Arizona. Peru. 
SPECIMENS EXAMINED: Douglas County, Spillman, May, 1896; Sandberg & Leiberg 292: 
Wilson Creek, Sandberg & Leiberg 395; Clealum, Henderson, June, 1892; Spipen [Naches] 
River, Wilkes Expedition Klickitat River, Flett 1369; Pullman, Piper 1922, 1758; Elmer 
888; Steptoe, Vasey 25; Rattlesnake Mountains, Cotton 413; Walla Walla, Brandegee 1175; 
Blue Mountains, Horner 491; Kittitas County, Vasey 92; Palouse City, F. D. Cloud, June 22, 
1895. 
ZONAL DISTRIBUTION: Arid Transition. 
4. Deschampsia elongata (Hook.) Munro in Benth. Pl. Hartw. 342. 1857. 
Aira elongata Hook. Fl. Bor. Am. 2: 243. 1840. 
Tyre Locatity: “Sandy islands of the River Columbia.” Collected by Douglas. 
RanGE: British Columbia to Montana and California. 
SPECIMENS EXAMINED: Olympic Mountains, Elmer 1664; San Juan Island, Lyall in 1858; 
Mason County, Kincaid, June, 1893; Montesano, Heller 4044, 3953a; Nisqually Valley, Allen 
38; Seattle, Piper 843; Okanogan County, Sandberg & Leiberg 582; North Yakima, GH. 
Watt; Wenache, Whited 1302; Stehekin, Whited 1399: Roslyn, Whited 477; Skamania County 
Flett 1372; Pullman, Piper 1741; Walla Walla, Brandegee 1174; Blue Mountains, Lake & Hull 
70; Mount Carlton, Kreager 199; Tieton River, Cotton 50; Ellensburg, Vasey 389. 
ZONAL DISTRIBUTION: Transition. 
TRISETUM. 
Lemmas awnless; panicle narrow. ...........2-. 222.2222 ee ce ee ee eee 1. T. mutioum. 
Lemmas awned. 
Panicle dense and spike-like.......... 222222222220 -2 2 eee eee 2. 7. spicatum. 
Panicle loose and open. 
Sheaths pubescent, lemma 7 mm. long... .. eee ee esses eee. 3. 7. canescens. 
Sheaths glabrous; lemma 5 mm. long... ....-. Lee eee eee ee eee 4. 7. cernuum. 
1. Trisetum muticum Scribn. U.S. Dept. Agr. Div. Agrost. 11: 50. 1898. 
Trisetum subspicatum muticum Boland.; 8. Wats. Bot. Cal. 2: 296. 1880. 
' Trisetum brandegei Scribner, Bull. Torr. Club 10: 64. 1883. 
Tyre Locatity: “On the upper Tuolumne,” California. Collected by Bolander. 
Rance: California to Washington, east to Colorado. 
SPECIMENS EXAMINED; Spangle, Suksdorf 949. 
ZONAL DISTRIBUTION: Arid Transition. 
2. Trisetum spicatum (L.) Richter, Pl. Eur. 1: 59. 1890. 
Aria spicata L. Sp. Pl. 1: 64. 1753. 
Arva subspicata L. Syst. Veg. ed. 10 : 873. 1759. 
Trisetum subspicatum Beauv. Agrost. 88 and 180. 1812. 
Type Locarity: “Habitat in Lapponiae alpibus.” 
Rance: Alaska to Labrador, south to California, New Mexico, and North Carolina. 
