PIPER FLORA OF THE STATE OF WASHINGTON. 151 



1. Elymus caput-medusae L Sp. PI. 1: <S4. 1753. 



Type locality: "Habitat in Lusitaniae, Hispaiiiac maritimis." 

 Specimens examined: Stoptoo, ]'a>iey 3076. 



2. Elymus canadensis L. Sp. I'l. 1: S3. 1753. 

 Sitanion brodiei Piper, Erythea 7: 100. 1899. 

 Type locality: "Habitat in Canada. " 



Range: Canada to Washington, south to Georgia and Texas. 



Specimens examined: Ahiia, Elmer 518; Naches Valley, Piper 2584; Cokim.l)ia River, 

 46° to 49°, LyaJl in 1860; Box Canyon, Kreager 381; Pend Oreille River, Lyall in 1861; 

 Wawawai, Brodie, July, 1898; Waitsburg, Piper 2.561; Horner, July, 1896; Kiona, Cotton 

 Tl'!^; Mabton, Cotton 745; Parker, Dunn; Bishops Bar, Brodie, July, 1898. 



Zonal distribution: Upper Sonoran and Arid Transition. 



3. Elymus leckenbyi Piper. 



Sitanion Jeckenhiji Piper, Erythea 7: 100. 1899. 



Type locality: "Sandy bars of Snake River at Wawawai, Wash." Collected by Piper 

 and Leckenby. 



Range: Eastern Washington. 



Specimens examined: Wawawai, Piper 3003, 3963, 3959, 3969, 3972; Leekenhy 86. 



Zonal distribution: Upper Sonoran. 



4. Elymus aristatus Merrill, Rhodora 4: 147. 1902. 

 Type locality: "Silver Creek, Plarney Co., Oregon." 

 Range: Washington and Oregon. 



Specimens examined: Falcon Valley, Sulsdorf 5194, July 16, 1905. 



5. Elymus glaucus Buckl. Proc. Acad. Phila. 1862: 99. 1862. 



Elymus antericanus Vasey & Scribn.; Macoun, Cat. Can. Plants 2: 245. 1888. 



Type locality: "Columbia River. " Collected by Nuttall. 



Range: Alaska to the Great Lakes, Missouri, and California. 



Specimens examined: Olympic Mountains, Flett 839, 833; Fairhaven, Piper 2608; 

 Mason County, Piper, July, 1890; Tacoma, Leekenhy, August, 1898; Falcon Valley, Sulcs- 

 (Zo// 2151; Ellensburg, Whited 687; Yakima, Leekenhy, June 20, 1898; Wenache, Whited 

 1301; Wliitman County, Piper, July, 1894; Wind River, Fletl 1393; Wawawai, Piper, 

 June, 1896, 2566, 2999, 3058; Blue Mountains, Lake & Hull 78, 82. 



Zonal distribution: Mainly Transition. 



6. Elymus borealis Scribn. U. S. Dept. Agr. Div. Agrost. Circ. 27: 9. 1900. 



Elymus eiliatus Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 11: 57. 1898, not Muhl. 

 Gram. 179. 1817. 



Ti'PE locality: "Common in wet places, Sitka, Alaska." 



Range: Alaska to Washington. 



Specimens examined: Olympic Mountains, Piper 1992; Flett 833; Elmer 1907. 



Zonal distribution: Hudsonian. 



7. Elymus virginicus submuticus Hook. Fl. Bor. Am. 2: 255. 1840. 

 Elymus curvatus Piper, Bull. Torr. Club 30: 233. 1903. 



Type locality: "Cumberland House Fort, on the Saskatchewan." 

 Range: Washington to Ontario and south to Kansas. 

 Specimens examined: Box Canyon, Kreager 375. 



8. Elymus virescens Piper, Erythea 7: 101. 1899. 



Type locality: "In damp coniferous woods, 3,000 ft. altitude, Olympic Mts., near the 

 head of the Duckaboose River." Collected by Piper. Not otherwise known. 



