PIPER FLORA OF THE STATE OF WASHINGTON. 147 



Type locality: Type collected by Lewis jJune 10, 1806, then at "Camp Gliopunnish," 

 opposite Kamiah, Idaho. 



Range: Washington and Montana to Colorado. 



Specimens examined: Wenaclie, Whited, 1147; Elleasburg, Whifed 650; Yakima, Hen- 

 derson 2140; Skamania County, FJett 1383; Tieton River, Cotton 451; Steptoe, Vasey 36; 

 Pullman, Piper 1760; Blue Mountains, Samlher(j dc Leiberg 583; Lalce tf; IIiiJl 77; Horner 

 519, 515; Piper 2562; Almota, Piper 1753; Wawawai, Elmer 750; Piper 1911, 3001, 3954, 

 3960, 3525. 



Zonal distribution: Arid Transition and Upper Sonoran. 



For illustration of a bunchgrass prairie see Plate XI, facing page 48. 



la. Agropyron spicatum inerme (vScribn. & Smith) Heller, Cat. N. A. PI. ed. 2. 3. 1900. 



Aijropyron divergens inerme Scribn. & Smith, U. S. Dept. Agr. Div. Agrost. Bull. 4: 27. 1897. 



Agropyron vaseyi Scribn. & Smith, loc. cit. 



Type locality: "British Columbia to Utah and Idaho." 



Range: British Columbia to Utah and Oregon. 



Specimens examined: Wcnache Mountains, Whited 1231, 1265; Wenache, Whited 1376; 

 Stehekin, Whited 1395; between Coulee City and Waterville, SpiUman, May, 1896; Waits- 

 burg, Horner 235, 234; Lake Chelan, Vasey 169; Spokane, Piper 2612; Pullman, Piper 1913; 

 Wawawai, Piper 1916, 3004A, 3962; Elmer 753; Almota, Piper 1915; Big Meadow, Kreager 

 419; Whitman County, Henderson 2132. 



The last-named specimen is the type of Agropyron vaseyi Scribn. & Smith. 



Zonal distribution: Arid Transition. 



lb. Agropjrron spicatum puberulentum nom. nov. 



Agropyron spicatum pulescens Elmer, Bot. Gaz. 36: .52. 1903, not Triticum re pens puhes- 

 cens Doll. Fl. Bad. 129. 1857. 



T^-PE locality: Mount Stuart, Kittitas County, Washington. Collected by Elmer. 



Range: Eastern Washington. 



Specimens examined: Mount Stuart, Elmer 1157, 1158. 



2. AgropyTon richardsoni (Trin.) Schrad.; Shear, U. S. Dept. Agr. Div. Agrost. Bull. 



4:29. 1897.. 



Triticum richardsoni Trin. Linnaea 12: 467. 1838. 



Type locality: "America borealis arctica?" 



Range: British Columbia to New England, south to the Black Hills and California. 



Specimens examined: Loomis, Griffiths cfe Cotton 340; Cow Creek, Griffiths c& Cotton 511; 

 Yakima Ridge, Cotton 1411; Kittitas Valley, Cotton 1329. 



Zonal distribution: Arid Transition. 



Tliis species is exceedingly close to .4. caninum Roem. & Schult., to wliich indeed some 

 of the specimens may be referable. 



3. Agropyron tenerum Vasey, Bot. Gaz. 10: 2.58. 1885. 



Agropyron pseudorepens Scribn. & Smith, U. S. Dept. Agr. Div. Agrost. Bull. 4: 34. 1897. 



Type locality: Fort Garland, Colorado, according to the label of the type specimen. 



Range: Alaska to Labrador, south to New England, Colorado, and California. 



Specimens examined: Bridge Creek, Elmer 679; Yakima, Lfc^-eriS;/, June, 1898; Piper 

 2844; Johns Island, Cotton 208; Seattle, Piper, June 20, 1889; Rattlesnake Mountaias, 

 Cotton 667; Toppenish, Cotton 793; Prosser, Cotton 744; Squaw Creek, Cotton 878; Cow 

 Creek, Grffiths & Cotton 509, 533; Conconully Creek, Griffiths & Cotton 293; Olympia to 

 Gate City, Heller 4059; Ellensburg, Piper 2587; Yakima, Watt, July, 1895; Spokane, Piper 

 2595; Henderson, July, 1892; Palouse, Henderson 2139; Pullman, Piper 1910. 



Zonal distribution: Upper Sonoran and Transition. 



4. Agropyron biflorum (Brign.) Roem. & Schult. Syst. 2: 760. 1817. 

 Agropyron hiflorum Brign. PI. Rar. Foioj. IS. 1810. 



Type locality: Not ascertained. 



