568 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Rance: Alaska to Labrador south to California and Colorado. 
SPECIMENS EXAMINED: Cascade Mountains, Dr. Cooper. 
15. Erigeron oreganus A. Gray, Proc. Am. Acad. 19: 2. 1883. 
Type LocaLity: “Oregon, along the Columbia River, under overhanging cliffs, in 
Multnomah Co.,’’ Howell. 
Rance: Bluffs of the Columbia River below the Cascades on both sides of the river. 
SPECIMENS EXAMINED: Cape Horn, Piper 4983, 5010. 
16. Erigeron philadelphicus I. Sp. Pl. 2: 863. 1753. 
Lrigeron occidentale Nutt. Trans. Am. Phil. Soc. 7: 311. 1840. 
TYPE LocaLity: Canada 
Rance: Throughout most of Temperate North America. 
SPECIMENS EXAMINED: Whidby Island, Gardner 179; Snohomish, Aincaid, June 3, 1892: 
Silverton, Bouck 109; Peshastin, Sandberg & Leiberg 469; Deming, Flett 870: Lake Con- 
conully, Whited 1318; Cascade Mountains to Colville, Lyall in 1860, Loomis, Elmer, 
August, 1897; Waitsburg, Horner 175. 
ZONAL DISTRIBUTION: Transition. 
17. Erigeron divergens Torr. & Gr. Fl. N. Am. 2: 175. 1841. 
Erigeron divaricatus Nutt. Trans. Am. Phil. Soc. 7: 311 1840, not Michx. 1803. 
TYPE Locaity: ‘In the Rocky Mountains and the plains of Oregon.”” Collected by 
Nuttall. 
Rance: Washington to California, Nebraska, and Texas 
SPECIMENS EXAMINED: Wenache, Whited 72, 73, 74, Elmer 480: west Klickitat County, 
Suksdorf 563; Rock Island, Sandberg & Leiberg 455, between Coulee City and Waterville, 
Spillman, May, 1896; Marshall Junction, Piper 2257, Wawawai, Elmer, June, 1897: Piper, 
July 8, 1898; Almota, Piper 1832. 
ZONAL DISTRIBUTION. Upper Sonoran. 
18. Erigeron ramosus (Walt.) B.S. P. Prel. Cat. N. Y. 27. 1888. 
Doronicum ramosum Walt., Fl. Car. 205. 1788. 
Erigeron strigosus Muhl., Willd. Sp. Pl. 3: 1956. 1803. 
TYPE LocaLity: Pennsylvania. 
Rance: British Columbia to Nova Scotia south to California, Texas, and Florida. 
SPECIMENS EXAMINED: Cascade Mountains to Fort Colville, Lyall in 1860; Steilacoom, 
Piper; Fort Vancouver, Piper 3077; Wenache, Elmer 482: Waitsburg, Horner 353 and 
July 27, 1896; Spokane, Piper, June 25, 1897; Union Flat, Lake & Hull 697; Pullman, 
Piper 1821, 
ZONAL DISTRIBUTION: Transition. 
19. Erigeron eradiatus (A. Gray). 
Erigeron douglasti eradiatum A, Gray, Pac. R. Rep. 12?: 5. 1860. 
Erigeron inornatus A. Gray, Proc. Am. Acad. 16:88. 1889. 
Erigeron foliosus inornatus A. Gray, Bot. Cal. 1: 320. 1876. 
Tyre Locatiry: “Sandy pine forest on the table-land east of Mount Adams,”’ Wash- 
ington. Collected by Cooper. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Cascade Mountains, Cooper; Falcon Valley, Suksdorf’ 400; Big 
Klickitat River, Henderson, August 21, 1892: Blue Mountains, /Torner 349. 
ZONAL DISTRIBUTION: Arid Transition, 
20. Erigeron bloomeri A. Gray, Proc. Am. Acad. 6:40, 1865. 
Type Locauity: ‘‘ Near Virginia City, Nevada.” 
Rance: Washington to Nevada and California. 
SPECIMENS EXAMINED: Yakima County, Henderson 2305; Blue Mountains, Piper 2392. 
ZONAL DISTRIBUTION: Hudsonian. 
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