PIPER—FLORA OF THE STATE OF WASHINGTON. 113 
SPECIMENS EXAMINED: “N. W. coast,”’ Douglas; Pullman, Piper 1926; Henderson 2250; 
Almota, Piper, September, 1896. 
ZONAL DISTRIBUTION: Upper Sonoran and Arid Transition. 
5. Sporobolus confusus (Fourn.) Vasey, Bull. Torr. Club 15: 293. 1888. 
Vilfa confusa Fourn. Mex. Pl. Enum. Gram. 101. 1886. 
Tyre Locauiry: “In devexis arenosis montis ignivomi Jorullo,’’ Mexico. 
Rance: Washington to Arizona, Texas, and Mexico. 
SPECIMENS EXAMINED: Parker, Yakima County, Elmer 1076. 
ZONAL DISTRIBUTION: Upper Sonoran. 
6. Sporobolus cryptandrus (Torr.) Gray, Man. 576. 1848. 
Agrostis cryptandrus Torr. Ann. Lye. N. Y. 1: 151. 1824. 
Vilfa tenacissima fuscicolor Wook. Fl. Bor. Am, 2: 239, 1840. 
Type Locauity: “On the Canadian river.” 
Rance: Washington to Maine southward to Texas. 
SPECIMENS EXAMINED: Cascade Mountains, central Washington, Vasey 132; Klickitat 
County, Suksdorf 1019; Wawawai, Elmer 760; near Ellensburg, Vasey 465; Kiona, Cotton 
726; Sentinel Bluffs, Cotton 1353. 
ZONAL DISTRIBUTION: Upper Sonoran in Washington. 
7. Sporobolus airoides Torr. Pac. R. Rep. 7%: 21. 1856. 
Agrostis airoides Torr. Ann, Lye. N. Y. 1:151. 1824. 
Tyee Locauiry: “On the branches of the Arkansas, near the Rocky Mountains.” 
Rance: Washington to Nebraska, south to California and Arizona. 
SPECIMENS EXAMINED: Near Oroville, Okanogan River, Griffiths & Cotton 350. This is 
the northernmost station known. ‘ 
ZONAL DISTRIBUTION: Upper Sonoran. 
8. Sporobolus asperifolius (Nees & Meyen) Thurb. in Wats. Bot. Cal. 2: 269. 1880. 
Vilfa asperifolia Nees & Meyen, Mem. Acad. St. Petersb. VJ. 67: 95. 1840. 
Type Locauity: “Chile; Rio Mayno; Copiapo.”’ 
Rance: British Columbia to Assiniboia southward to California and Missouri. 
SPECIMENS EXAMINED: Alma, Elmer 549; Coulee City, Lake & Hull, August, 1892; 
Wilson Creek, Lake & Hull 99; Alkali Lake, Sandberg & Leiberg, July, 1893; Ellensburg, 
Piper 2580; ‘North Yakima, Henderson 2218; Union Gap, Yakima River, Cotton 492; 
North Yakima, Watt in 1895; Cascade Mountains, Vasey 525; Toppenish, Cotton 804; 
Priest Rapids, Cotton 1403. 
ZONAL DISTRIBUTION: Upper Sonoran. 
Sporopo.vus cusprpatus Wood, Bot. & Flor. 385. 1874. (Vilfa cuspidata Torr.; Hook. 
Fl. Bor. Am. 2: 238. 1839.) This is included in Suksdorf’s List, but no Washington 
specimens have been seen by us. 
CINNA. 
1. Cinna latifolia (Trev.) Griseb. in Ledeb. Fl. Ross. 4: 435. 1853. 
Agrostis latifolia Trev.; Goepp. Beschr. Bot. Gaert. in Breslau 82. 1830. 
Cinna pendula Trin. Mem. Acad. St. Petersb. VI. 67. 280. 1841. 
Cinna pendula glomerula Scribn. Proc. Acad. Phila. 1884: 290. 1885. 
Cinna latifolia glomerata Beal, Grasses N. Am. 2: 319. 1896. 
Rance: Alaska to Oregon, Colorado, New England, and Carolina. 
SPECIMENS EXAMINED: Cascade Mountains, 49°, Lyall in 1859; Seattle, Piper 821; 
Montesano, Heller 4017; Longmire Springs, Mount Ranier, Piper 1982; Lake Cushman, 
Piper 1991; Railroad Creek, Okanogan County, Elmer 719; Coulee City, Lake & Hull 
114; Nason City, Sandberg & Leiberg, July, 1893; Okanogan County, Sandberg & Leiberg 
581; Blue Mountains, Piper, July, 1896; Salmon River, Blue Mountains, Horner 494. 
ZONAL DISTRIBUTION: Transition and Canadian. 
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