566 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
5. Erigeron curvifolius Piper, Bull. Torr. Club 27: 396. 1900. 
tChrysopsis hirtella DC. Prod. 5: 327. 1836, not Erigeron hirtellus DC. Prod. 5: 290. 
1836. 
Type Looauity: Morgan’s Ferry, Yakima County, Washington. Collected by Suksdorf. 
Range: Eastern Washington. 
SPECIMENS EXAMINED: Snipes Mountain, Cotton 384; Soap Lake, MeKay 5; Morgans 
Ferry, Yakima County, Suksdorf, June 7, 1884; Washtuena, Elmer 1036; Pasco, Hindshaw, 
May 25, 1896; Piper 2993; Connell, Leckenby, June 18, 1897; near Ephrata, Griffiths & Cot- 
ton 494; Kahlotus, Cotton 1009; Prosser, Cotton 1100, 1075. 
ZONAL DISTRIBUTION: Upper Sonoran. 
This species was included by Doctor Gray in E. chrysopsidis Gray. The type locality of 
that is given as “FE. Oregon and adjacent Washington Terr., Douglas, Cusick, Nevius, 
Howell,” 
6. Erigeron corymbosus Nutt. Trans. Am. Phil. Soc. 7: 308. 1840. 
Type Locatity: “Rocky Mountains towards the Oregon.”’ Collected by Nuttall. 
Rance: Washington to Montana and California. ; 
SPECIMENS EXAMINED: Ellensburg, Elmer 374; Whited 515, 678 and June 27, 1897; 
Wenache, Whited 1144; Rock Island, Sandberg & Leiberg 458; Chelan, Whited 138, 7; Crab 
and Wilson creeks, Sandberg & Leiberg 254; Coulee City, Lake 719; Medical Lake, Henderson 
2303, July, 1892; Spangle, Suksdorf 351; without locality, Vasey 520,125; Pullman, Piper 
1601; Walla Walla region, Brandegee 872; Illia, Lake & Hull 695; Spokane, Piper, June 25, 
1897; without locality, Wilkes Expedition; Rattlesnake Mountains, Cotton 689. 
ZONAL DISTRIBUTION: Arid Transition. 
7. Erigeron poliospermus A. Gray, Syn. FI. 12: 210. 1884. 
Type vocaurry: “Umatilla, Oregon.’ Collected by Howell. 
Rance: Eastern Washington and eastern Oregon. 
SPECIMENS EXAMINED: Ellensburg, Piper, May 21, 1897; Whited 720: North Yakima, 
Leckenby, April 22, 1898; Steinweg; Henderson, May 25, 1892; Wenache, Whited, May 27, 
1896, 1085; Tampico, lett 1064; Columbus, Suksdorf, April 13, 1886; Bickleton, Suksdorf 
348; Rattlesnake Mountains, Cotton 331; Klickitat River, Flett 1106 in part; Coulee City, 
Piper 3888; Wilson Creek, Lake & Hull, August 6, 1892; Spokane, Leiberg 39; Walla Walla, 
Brandegee 869; Tweedy 922; Prosser, Cotton 586. 
ZONAL DISTRIBUTION: Upper Sonoran. 
8. Erigeron nevadensis A. Gray, Proc. Am. Acad. 8: 649. 1873. 
Type Locatiry: Near Virginia City, Nevada. Collected by Bloomer. 
Rance: Washington to California and Nevada. 
SPECIMENS EXAMINED: Without locality, Brandegee 875. 
9. Erigeron compositus Pursh, Fl. 2: 535. 1814. 
Type LocaLity: ‘On the banks of the Kooskoosky,’’ Idaho. Collected by Lewis. 
Rance: Washington to California and Colorado. 
SPECIMENS EXAMINED. Spokane, Piper 2289; Spokane Hills, Lyall in 1861; Spokane, 
Henderson 2306; Sandberg & Leiberg 1. 
ZONAL DISTRIBUTION: Upper Sonoran and Arid Transition. 
9a. Erigeron compositus trifidus (Hook.) A. Gray, Proc. Am. Acad. 16: 90. 1881. 
Erigeron trifidus Hook. FI]. Bor. Am. 2: 17. 1834. 
Type toca.ity: ‘Barren places among the Rocky Mountains.” 
Rance: British Columbia to Colorado and California. 
SPECIMENS EXAMINED: Mount Rainier, Smith 496; Piper 2144; Mount Adams, Flett 1079; 
Suksdorf ; Henderson, August 10,1892; Olympic Mountains, Piper, August, 1895; Flett 120; 
J. M. Grant 30; Mount Stuart, Flmer 1211; Klickitat River, Flett 1106. 
ZONAL DISTRIBUTION: Arctic. 
