PIPER FLORA OF THE STATE OF WASHINGTON. 113 



Specimexs examined: ''N-W. coast," Don tjlas: Pullman, Pi'/w 192(5; IJemlerson 2250; 

 Almota, Piper, September, 1896. 



Zonal distribution: Upper Sonoran and Arid Transition. 



5. Sporobolus confusus (Fourn.) Vasey, Bull. Torr. Cluh 15: 293. 1888. 

 Vilfa confusa Fourn. Me.\. PI. Enum. Gram. 101. 1886. 



Ti'PE locality: " In devexis arenosis mentis ignivoiiii Joridlo,'' Me.xico. 

 Range: Washington to Arizona, Texas, and Mexico. 

 Specimens examined: Parker, Yakima County, Elmer 1076. 

 Zonal distribution: Upper Sonoran. 



6. Sporobolus cryptandrus (Torr.) Gra}-, Man. 576. 1848. 

 Agrostis cryptandrus Torr. Ann. Lye. N. Y. 1: 1.51. 1824. 

 Vilfa tenacissima fnscicolor 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, Vaseij 132; Klickitat 

 County, Siilcsdorf \0\9; Wawawai, Elmer 760; near Ellensburg, Vatfey 465; Kiona, C'(Mon 

 726; Sentinel Bluffs, Cotton 13.53. 



Zonal dlstribution: Upper vSonoran in Washington. 



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

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



Ti'PE locality: "On the branches of the Arkansas, near the Rocky Mountains. " 

 Range: W^ashington to Nebraska, south to California and Arizona. 



Sfeci.mens examined: Near Oroville. Okanogan River, Griffiths ci' Cotton 3.50. 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. 



Ti'PE locality: "Chile; Rio Mayno; Copiapo." 



Range: British Columbia to A.ssiniboia southward to California and Missouri. 



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

 Wilson Creek, Lahe & Hull 99; Alkali Lake, Sandherg <& 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. (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 latifoUa (Trev.) Griseb. in Ledeb. Fl. Ross. 4: 435. 1853. 



Agrostis latfolia Trev.; Goepp. Beschr. Bot. Gaert. in Breslau 82. 1830. 



Cinna pendula Trin. Mem. Acad. St. Petersb. VL 6-'; 280. 1841. 



Cinna pendula glomenila Scribn. Proc. Acad. Phila. 1884: 290. 1885. 



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



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



Specimens examined: Cascade Mountains, 49°, Lyall in 18-59; Seattle, Piper 821; 

 Moniesano, Heller 4017; Longmire Springs, Mount Ranier, Piper 1982; Lake Cushman, 

 Piper 1991; Railroad Creek, Okanogan County, Elmer 719; Coulee City, Lalce dc Hull 

 114; x\ason City, Sandherg cfc Leiberg, July, 1893; Okanogan County, Sandherg tfc Leiberg 

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



Zonal distribution: Transition and Canadian. 

 29418—06 M 8 



