PIPE WASHINGTON. 237 
Henderson in 1882; Simcoe Hills, Lyall in 1860; Coulee City, Piper 3868; Douglas County, 
Spillman, May 26, 1896; near mouth of Swauk, Watson 348; Ritzville, Sandberg & Leiberg 
167; Prosser, Cotton 59. 
ZONAL DISTRIBUTION: Upper Sonoran. 
17. Eriogonum piperi Greene, Pittonia 3: 263. 1898. 
Type Locauity: Blue Mountains, Columbia County, Washington. 
Rance: Washington to Montana. : 
SPECIMENS EXAMINED: Blue Mountains, Piper 2453. 
ZONAL DISTRIBUTION: Hudsonian. 
18. Eriogonum pyrolaefolium coryphaeum Torr. & Gr. Proc. Am. Acad. 8: 162 
1870. 
TypPE LocaLity: “Summit of the Cascade Mountains, about lat. 49° on the east side at 
the height of 7,500 feet.’’ Collected by Lyall. 
Rance: Washington and Oregon. 
SPECIMENS EXAMINED: Mount Rainier, Allen 206; Piper 2117; Piper & Smith 541; 
Mount Adams, Henderson, August 9, 1892; Paradise Valley, Flett 261; Mount Adams, 
Suksdorf 86; Flett 1050; Howell & Henderson in 1882; Skamania County, Suksdorf’ 1419; 
Cascade Mountains, Tweedy, August, 1882; Cascade Mountains, Lyall in 1860. 
ZONAL DISTRIBUTION: Arctic. 
19. Eriogonum compositum Dougl.; Benth. Trans. Linn. Soc. 17: 410. 1837. 
Type vocauity: “Columbia River.” Collected by Douglas. 
Rance: 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 1050; Klickitat 
County, Suksdorf 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- 
weg in 1894; Spokane, Letberg 22; without locality, Vasey in 1889; Clarks Springs, Kreager 94. 
ZONAL DISTRIBUTION: Upper Sonoran. 
19a. Eriogonum compositum leianthum Benth. in DC. Prod. 14:12. 1856. 
Type Locauiry: ‘In regione Oregon superioris ad Clear Water (Spalding) ad fl. Spokan et 
Kooskoosky (Geyer n. 470).” 
Rance: 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 
creeks, Sandberg & 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, Griffiths & Cotton, June 1, 1902. 
ZONAL DISTRIBUTION: Upper Sonoran. 
This is distinguished from typical F’. compositum by having a smooth perianth. 
20. Eriogonum heracleoides Nutt. Journ. Acad. Phila. 7: 49. 1834. 
Eriogonum heracleoides minus Benth. in DC. Prod. 14: 11. 1856. 
TypE Loca.ity: “‘Sources of the Missouri.’’ Collected by Wyeth. 
Rance: British Columbia to Nevada and Utah. 
SPECIMENS EXAMINED: Ellensburg, Elmer 389; Whited 5374; Wenache, Whited 122, 1090, 
and June, 1896; North Yakima, Steinweg in 1894; Flett 1057; Conconully, Whited 1314; 
Rattlesnake Mountains, Cotfon 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, Suksdorf 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 & Hull 676; Blue Mountains, Piper, August, 
1896; Spokane, Kreager 11; 2 days before Fort Okanogan, Wilkes Expedition. 
