PIPER FLORA OF THE STATE OF WASHINGTON. 113 



Specimens examined: "N. W. coast, "i)oMgrZas; Pullman, Pipe/- 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 Foum. Mex. PI. Enum. Gram. 101. 1886. 



Type locality: " In devexis arenosis montis ignivomi JoruHo," Mexico. 

 Range: 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: 1.51. 1824. 

 Vilfa tenacissimafuscicolor Hook. Fl. Bor. Am. 2: 239. 1840. 

 Type locality: " On the Canadian river. " 



Range: Washington to Maine southward to Texas. 



Specimens examined: Cascade Mountains, central Washington, Vasey 132; Klickitat 

 County, SuJcsdorf 1019; Wawawai, Elmer 760; near Ellensburg, Vasey 465; Kiona, Cotton 

 726; Sentinel Bluffs, Cotton 13.53. 



Zonal distribution: Upper Sonoran in Washington. 



7. Sporobolus airoides Torr. Pac. R. Rep. T^: 21. 18.56. 

 Agrostis airoides Torr. Ann. Lye. N. Y. 1:151. 1824. 



Type locality: "On the branches of the Arkansas, near the Rocky Mountains." 

 Range: Washington to Nebraska, south to California and Arizona. 

 Specimens examined: Near Oroville, Okanogan River, Griffiths cfc 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. VL 6^: 95. 1840. 



Type locality: "Chile; Rio Mayno; Copiapo." 



Range: British Columbia to Assiniboia southward to California and Missouri. 



Specimens examined: Alma, Elmer 549; Coulee City, Lake cfc Hull, August, 1892; 

 Wilson Creek, Lake cfc Hull 99; Alkali Lake, Sandberg cfc 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. 



Sporobolus cuspidatus Wood, Bot. & Flor. 385. 1874. {VUfa 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. Beschf. Bot. Gaert. in Breslau 82. 1830. 



Cmna pendula Trin. Mem. Acad. St. Petersb. VI. 6^; 280. 1841. 



Ctnna pendula glomerula Scribn. Proc. Acad. Phila. 1884: 290. 1885. 



Cinna latifolia glomerata Beal, Grasses N. Am. 2: 319. 1896. 



Range: Alaska to Oregon, Colorado, New England, and Carolina. 



Specimens examined: Cascade Mountains, 49°, LyaU in 1859; Seattle, Piper 821; 

 Moniesano, 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 cfc Leiberg, July, 1893; Okanogan County, Sandberg cfc Leiberg 

 581; Blue Mountains, Piper, July, 1896; Salmon River, Blue Mountains, Horner 494. 



Zonal distribution: Transition and Canadian. 

 29418—06 M 8 



