PIPER—FLORA OF THE STATE OF WASHINGTON, 147 
Type Locauity: Type collected by Lewis June 10, 1806, then at ‘Camp Chopunnish,” 
opposite Kamiah, Idaho. 
Rance: Washington and Montana to Colorado. 
SPECIMENS EXAMINED: Wenache, Whited, 1147; Ellensburg, Whited 650; Yakima, Hen- 
derson 2140; Skamania County, Flett 1383; Tieton River, Cotton 451; Steptoe, Vasey 36; 
Pullman, Piper 1760; Blue Mountains, Sandberg & Leiberg 583; Lake & Hull 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 (Scribn. & Smith) Heller, Cat.N.A. Pl. ed. 2.3. 1900. 
Agro pyron divergens inerme Scribn. & Smith, U.S. Dept. Agr. Div. Agrost. Bull. 4: 27.1897. 
Agropyron vaseyt Scribn. & Smith, loc. cit. 
Type Loca.iry: “ British Columbia to Utah and Idaho.” 
Rance: British Columbia to Utah and Oregon. 
SPECIMENS EXAMINED: Wenache Mountains, Whited 1231, 1265; Wenache, Whited 1376; 
Stehekin, Whited 1395; between Coulee City and Waterville, Spillman, May, 1896; Waits- 
burg, Horner 235, 234; Lake Chelan, Vasey 169; Spokane, Piper 2612; Pullman, Piper 1913; 
Wawawai, Piper 1916, 30044, 3962; Elmer 753; Almota, Piper 1915; Big Meadow, Kreager 
419; Whitman County, Henderson 2132. 
The last-named specimen is the type of Agropyron vaseyi Seribn. & Smith. 
ZONAL DISTRIBUTION: Arid Transition. 
1b. Agropyron spicatum puberulentum nom. nov. 
Agropyron spicatum pubescens Elmer, Bot. Gaz. 36: 52. 1903, not Triticum repens pubes- 
cens Doll. Fl. Bad. 129. 1857. 
Tyre Locauiry: Mount Stuart, Kittitas County, Washington. Collected by Elmer. 
Rance: Eastern Washington. 
SPECIMENS EXAMINED: Mount Stuart, A/mer 1157, 1158. 
2. Agropyron richardsoni (Trin.) Schrad.; Shear, U.S. Dept. Agr. Div. Agrost. Bull. 
4: 29. 1897. 
Triticum richardsoni Trin. Linnaea 12: 467. 1838. 
Type Loca.iry: ‘“ America borealis arctica ?”’ 
Rance: British Columbia to New England, south to the Black Hills and California. 
SPECIMENS EXAMINED: Loomis, Griffiths & Cotton 340; Cow Creek, Griffiths & Cotton 511; 
Yakima Ridge, Coffon 1411; Kittitas Valley, Cotton 1329. 
ZONAL DISTRIBUTION: Arid Transition. 
This species is exceedingly close to A. caninum Roem. & Schult., to which indeed some 
of the specimens may be referable. 
3. Agropyron tenerum Vasey, Bot. Gaz. 10: 258. 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. 
Rance: Alaska to Labrador, south to New England, Colorado, and California. 
SPECIMENS EXAMINED: Bridge Creek, Elmer 679; Yakima, Leckenby, June, 1898; Piper 
2844; Johns Island, Cotton 208; Seattle, Piper, June 20, 1889; Rattlesnake Mountains, 
Cotton 667; Toppenish, Cotton 793; Prosser, Cotton 744; Squaw Creek, Cotton 878; Cow 
Creek, Griffiths & 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 biflorum Brign. Pl. Rar. Foroj. 18. 1810. 
Tyre Locauiry: Not ascertained. 
