PIPER—-FLORA OF THE STATE OF WASHINGTON. 125 
SPECIMENS EXAMINED: Olympic Mountains, Elmer 1947; Cascade Mountains, 49°, Lyall 
in 1860; Mount Rainier, Piper 2620, 1951; Mount Adams, Howell 423; Flett 1414; Yakima 
County, Henderson 2261, 2262; Loomis, Klmer 556; Klickitat River, Flett 1368; Blue 
Mountains, Piper, July, 1896; without locality, Sandberg & Leiberg 687. 
ZONAL DISTRIBUTION: Arctic. 
2a. Trisetum spicatum molle (Michx.). 
Avena mollis Michx. Fl. Bor, Am, 1: 72. 1803. 
Trisetum subspicatum molle Gray, Man. ed, 2. 572. 1856. 
Type Locaniry: ‘Hab. in Canada.” 
Rance: Alaska to New England and Oregon. 
SPECIMENS EXAMINED: Loomis, Elmer 633; Cascade Mountains, Vasey 386. 
ZONAL DISTRIBUTION: Arctic. 
3. Trisetum canescens Buckl. Proc. Acad. Phila, 1862: 100. 1862. 
Type Locauity: “Oregon, Columbia Plains.’’ Collected by Nuttall. 
Rance: British Columbia to Idaho and California, 
SPECIMENS EXAMINED: Clallam County, Elmer 1944, 1945; Seattle, Piper, June, 1891; 
Smith 1097; Olympia, Henderson, June, 1892; Montesano, Heller 3931; upper Nisqually 
Valley, Allen 48; Mount Stuart, Elmer 1143; Kamiak Butte, Piper, July 20, 1899; Palouse, 
F. D. Cloud, June, 1895; Blue Mountains, Horner 502, 518; Cascade Mountains, Vasey 483 ; 
Stehekin, Griffiths & Cotton 23s. 
ZONAL DISTRIBUTION: Transition. 
5. Trisetum cernuum Trin. Mem. Acad. St. Petersb. 1: 61. 18380 (January). 
Avena nutkaensis Presl, Rel. Haenk. 1: 254. 1830. 
Trisetum sandbergii Beal, Grasses N. Am, 2: 378. 1896. 
Trisetum nutkaense Scribner & Merrill, Univ. Cal. Bot. Publ. 1: 65. 1902. 
Type Locauity: ‘Ex Ins. Sitka.” 
Rance: Alaska to California and Idaho. 
SPECIMENS EXAMINED: Olympic Mountains, Eimer 1946; Mount Rainier, Smith 979; 
Longmire Springs, Smith, August, 1890; upper Nisqually Valley, Allen 42; Seattle, Piper, 
Smith 846; Wenache Region, Brandegee 1177; Pullman, Piper, July 13, 1899; Klickitat 
River, Flett 1368, 1412; Blue Mountains, Lake & Hull 64; Mount Stuart, Sandberg & 
Leiberg 823. 
ZONAL DISTRIBUTION: Humid Transition. 
PHRAGMITES. 
1. Phragmites phragmites (L.) Karst. Deutsch. Il. 379. 1880-83. REED. 
Arundo phragmites L. Sp. Pl. 1:81. 1753. , 
Phragmites communis Trin. Fund. Agrost. 134. 1820. 
Type Locauity: ‘Habitat in Europae lacubus, fluviis.”’ 
Rance: British Columbia to Quebec south to Georgia and California, Europe, Asia. 
SPECIMENS EXAMINED: Ophir, Elmer 519; Columbia River, Scouler; Crab Creek, Douglas 
County, Lake & Hull 113; between Yakima and Ellensburg, Piper. 
ZONAL pistripuTion: Arid Transition. 
EATONIA. 
Panicle dense, erect; upper glume obova te........-.-.------------ 1. E. obtusata. 
Panicle lax, often drooping; upper glume oblanceolate ......-.----- 2. FE. pennsylvanica. 
1. Eatonia obtusata (Michx.) Gray, Man. ed. 2. 5538. 1856. 
Aira obtusata Michx. Fl. 1: 62. 1803. 
Type Locaity: “Hab. in aridis, a Carolina ad Floridam.”’ 
Rance: Washington to Ontario and Massachusetts, southward to Arizona and Florida. 
