PIPER FLORA OF THE STATE OF WASHINGTON. 237 



Henderson in 1882; Simcoe Hills, Lyall in I860; Coulee City, Pifer 3868; Douglas County, 

 Spillman, May 26, 1896; near month of Swank, Watson 348; Ritzville, Sandberg t& Leiberg 

 167; Prosser, Cotton 59. 



Zonal distribution: Upper Sonoran. 



17. Eriogonum piperi Greene, Pittonia 3: 263. 1898. 



Type locality: Blue Mountains, Columbia County, Wa.shington. 



Range: Washington to Montana. 



Specimens examined: Blue Mountains, Piper 2453. 



Zonal distribution: Hudsonian. 



18. Eriogonum. pyrolaefolium coryphaeum Torr. & Gr. Proc. Am. Acad. 8: 162 

 1870. 



Type locality: "Summit of the Cascade Moimtains, about hit. 49° on the east side at 

 the height of 7,500 feet." Collected l)y Lyall. 



Range: Washington and Oregon. 



Specimens examined: Mount Rainier, Allen 206; Piper 2117; Piper d; Smith 541; 

 Mount Adams, Henderson, August 9, 1892; Paradise Valley, Flett 261; Mount Adams, 

 Siil-sdorfSG; Flett 1050; Howell & Henderson in 1882; Skamania County, S ulcsdorf Ul^; 

 Ca.scade Mountains, Tweedy, August, 1882; Cascade Mountains, Lyall in 1860. 



Zonal distribution: Arctic. 



19. Eriogonum. compositum Dough; Benth. Trans. Linn. Soc. 17:410. 1837. 

 Type locality: "Columi)ia River." Collected by Douglas. 



Range: Washington and Idaho to California. 



Specimens examined: Wenache, Whited 1149; Mount Rainier, Piper 2127; Flett 230; 

 Goat Mountain, Allen, September 20, 1893; Mount Stuart, Brandegee 10.50; Klickitat 

 County, Sulcsdorf 47, 437; Columbia Valley, Lyall in 1860; Vancouver, Nuttall; Colum- 

 bia River, Douglas; banks of Columbia opposite Wenache, Watson 351; without locality, 

 Brandegee 1048; Rock Island, Whited 1415; Ellensburg, Whited 560; North Yakima, Stein- 

 uvg in 1894; Spok&ne, Leiberg 22; without locality, Ffl.sf*/ in 1889; Clarks Springs, A' rra^e/- 94. 



Zonal distribution: Upper Sonoran. 



19a. Eriogonum compositum leianthum Benth. in DC. Prod. 14: 12. 1856. 



Type locality : "In regione Oregon superioris ad Clear Water (Spalding) ad fl. Spokan et 

 Kooskoosky (Geyer n. 470)." 



Range: Washington, Oregon, and Idaho. 



Specimens examined: Wenache, Whited, May 13, 1900, and 92; North Yakima, Steinweg 

 in 1894; mountains between Ellensburg and Wenache, Whited 726; Crab and Wilson 

 cieeks, Sandberg tfc Leiberg 289; Wawawai, Piper 1883; Elmer 773; mouth of Methow 

 River, Watson 350; without locality, Vasey in 1889; Spokane, Henderson, June, 1892; 

 without locality. Cooper in 1853; North Yakima, Grijfiths d' Cotton, June 1, 1902. 



Zonal distribution: Upper Sonoran. 



This is distinguished from typical E. conrjMsituni by having a smooth perianth. 



20. Eriogonum heracleoides Nutt. Journ. Acad. Phila. 7: 49. 1834. 

 Eriogonum herarhoides minus Benth. in DC. Prod. 14: 11. 1856. 

 Type locality: "Sources of the Missouri." Collected by Wyeth. 

 Range: British Columbia to Nevada and Utah. 



Specimens examined: Ellensburg, £'^mer 389; Whited 5S1\;Y\' en&Q\\&, Whited V22, 1090, 

 and June, 1896; North Yakima, Steinweg in 1894; Flett 1057; Conconully, Whited 1314; 

 Rattlesnake Mountains, Cotton 404; Douglas County, Spillman, May 27, 1896; Wilson 

 Creek, Sandberg <!' Leiberg 268; Columbia interior, Douglas in 1826; Sprague, Lake & Hull 

 675; Henderson, May 30, 1892; Spokane County, Svlcsdoif 436 in part; Cheney, Tucker 

 in 1892; Cow Creek, Lyall in 1860; without locality, Vasey in 1889; Spokane, Dewart, 

 June 5, 1901; Pullman, Piper 1545; Lake d' Hull 676; Blue Mountains, Piper, August, 

 1896; Spokane, Kreager 11; 2 days before Fort Okanogan, Wilkes Expedition. 



