PIPER FLORA OF THE STATE OP WASHINGTON. 567 



9b. Erigeron compositus discoideus A. Cray, Am. Journ. Sci. II. 33: 237. 1862. 

 Type locality: Rocky Mountains, Colorado. Collected by Parry. 

 Range: Washington to Colorado. 

 Specimens examined: Cascade Mountains, latitude 49° at 2,100 meters, LyaZZ in 1860. 



10. Erigeron filifoUus (Hook.) Nutt. Trans. Am. Phil. Soc. 7: 308. 1840. 

 Diplopappus Jilifolius Hook. Fl. Bor. Am. 2: 21. 1834. 



Chrysopsis canescens DC. Prod. 5: 328. 1836. 



Erigeron peucephyllus A. Gray, Proc. Am. Acad. 16: 89. 1880. 



Type locality: "Common on the Great Falls of the Columbia, and barren grounds of 

 the interior." Collected by Douglas. 



Range: British Columbia to California and Nevada. 



Specimens examined: Wenache, Whited 83, 27, 1074; Ellensburg, Piper 2684; Whifed 

 352,641; ElmerSQS; Yakima, lecten&j/, May 11, 1898; N orth Y akima, M rs. Steinweg in 1894; 

 Watt, June, 1892; Sunnyside, Cotton 355; Rattlesnake Mountains, Cotton 363; Toppenish, 

 Henderson, May 28, 1892; Bickelton, SuksdorfSM; Wenas Valley, LyaU in I860: Tampico, 

 Flett 1085; Crab and Wilson creeks, Sandberg & Leiberg233, Cheney, Mrs. Susan Tucker in 

 1890 and 1892; Sprague, Sandberg & Lexberg 142; Coulee City, Piper 3860; Spangle, Piper, 

 June 24, 1899; without locality, Vasey 503; Walla Walla region, Brandegee 873, 874. 



Zonal distribution: Upper Sonoran and Arid Transition. 



11. Erigeron linearis (Hook.) 



Diplopappus linearis Hook. Fl. Bor. Am. 2: 21. 1834. 



Type locality: "Common on dry rocks and sandy grounds near the "Priests Rapids" 

 of the Columbia, and also on Lewis and Clarkes River." Collected by Douglas. 



Range: British Columbia to California and Nevada. 



Specimens examined: Wenache, Whited 72, 1116; Elmer 477; Wenache Mountains, 

 Whited, June 23, 1901; Ellensburg, Piper 2741; Whited 655, 514; Elmer 372; North 

 Yakima, Brandegee; Watt; Yakima County, Suksdorf 350; Cleman Mountain, Henderson 

 Li 1892; Wenas River, Henderson in 1892; Pasco, Henderson in 1892; White Bluff Ferry, 

 Lake <£' Hull; Council, Leckenby; Washtucna, Elmer 1039; coulee City, Lake & Hull 817, 

 Piper 3844; Crab and Wilson creeks, Sandberg & Lexberg 255; Mount Stuart, Elmer 1111; 

 Colville, Watson 207; Columbus, Suksdorf; Lake Chelan, Lake & Hull 817; Spokane, Sand- 

 berg, Heller, & McDougal 915; without locaHty, Fasey 511; Rocky Mountains and Walla 

 Walla, Nuttall; Spokane, Piper 2274; Snipes Mountain, Cotton 387; Soap Ij&ko, McKay 6, 

 Stehekin, Whited 1389. 



ZoKfAL distribution: Upper Sonoran. 



12. Erigeron aureus Greene, Pittonia 2: 169. 1891. 



Aplopappus brandegei A. Gray, Syn. Fl. ed. 2. 1^: 132. 1886, not Erigeron brandegei A. 

 Gray. 1884. 



Type locality: "Mountains of Washington in the Yakima district." Collected by 

 Brandegee. 



Range. Cascade Mountains, Washington. 



Specimens examined: Mount Siii&rt, Elmer 1105, Brandegee S5, Mount Rainier, Pi/^cr 

 2150, 523, Allen 94, Stevens Pass, Sandberg <Sc Leiberg 782; above Lake Chelan, T. E. 

 Wilcox in 1883, North Fork of Bridge Creek. Elmer 698. 



Zonal distribution: Arctic. 



13. Erigeron leibergii Piper, Bull. Torr Club 28: 41. 1901 



Type locality Mount Stuart, Washmgton, at 2,460 meters altitude. 



Range. Known only from the type locality 



Specimens examined: Mount Stuart, Sandberg & Leiberg 810. 



14. Erigeron uniflorus L Sp PI. 2. 864 1753. 



TiPB LOCALITY. ' Habitat in Alpibus Lappomae, Ilclvctiae " 



