PIPER—FLORA OF THE STATE OF WASHINGTON. 589 
Type Locaity: “In America bor. ad Rocky Mountains, prope Spokan et Kettle Falls.”’ 
Collected by Douglas. 
Rance: British Columbia and Montana to California and Utah. 
SPECIMENS EXAMINED: Cascade Mountains, 49°, Lyall in 1859; Cascade Mountains to 
Colville, Lyall in 1860; Mount Adams, Henderson, August 10, 1892; Suksdorf 35; Yakima 
County, Brandegee; Loomis, Elmer 589; Box Canyon, Kreager 388. 
ZONAL DistRiBuTION: Arid Transition. 
11. Artemisia lindleyana Besser; Hook. FI]. 1: 322. 1834, and Abrot. 35. 1834. 
Type Locatity: “ Northwest coast of America.”’ Collected by Douglas. 
Rance: Washington and Oregon. 
SPECIMENS EXAMINED: West Klickitat County, Suksdorf' 193, 1611; banks of Columbia 
at Alder Creek, Brandegee 908; Pasco, Henderson; Bingen, Piper 6450. 
Along with the original description of the species, Besser describes four subspecics based 
wholly on leaf contour, which character in this group we consider worthless. Besser’s sub- 
species are named /egitima, brevifolia, subdentata, and coronopus. 
12. Artemisia suksdorfii Piper, Bull. Torr. Club 28: 42. 1901. 
Artemisia vulgaris littoralis Suksdorf, Deutsch. Bot. Monatss. 18: 98. 1900, not A. litto- 
ralis Retz. 
Type Locauity: Fairhaven, Washington. 
RanGE: Seacoast, British Columbia to California. 
SPECIMENS EXAMINED: Montesano, [eller 3976; Fairhaven, Piper 2808; Henderson 
in 1892; Seattle, Proper; Chuckanut Bay, Suksdorf 980. 
ZONAL DISTRIBUTION: Humid Transition. 
13. Artemisia tridentata Nutt. Trans. Am. Phil. Soc. 7: 398. 1841. 
COMMON SAGEBRUSH. 
Type Locatity: “ Plains of the Oregon and Lewis River.”’ Collected by Nuttall. 
Rance: Washington to Montana, Colorado, and eastern California. 
SPECIMENS EXAMINED: North Yakima, Watt, August, 1895; Leckenby; Mount Adams, 
Suksdorf 72; plains of the Columbia and Lewis rivers, Nuttall; Okanogan, Cooper in 185%; 
Wenache, Whited 1382, Peshastin, Sandberg & Leiberg 470; Rattlesnake Mountains, Dunn, 
September 10, 1902; Moses Coulee, Lake & Hull 717; Chelan, Elmer 850; without locality, 
Vasey 480. , 
ZONAL DISTRIBUTION: Upper Sonoran. 
For illustrations of Artemisia tridentata see Plates TV and VI, facing pages 25 and 36. 
14. Artemisia arbuscula Nutt. Trans. Am. Phil. Soc. 7: 398. 1841. 
Type Locauiry: ‘On the arid plains of upper California, on Lewis River.’’ 
Rance: Washington to Wyoming and California. 
SPECIMENS EXAMINED: Wenache Mountains, Whited 861, Cotton 1795, 1796. 
Two specimens collected by Cotton in the Wenache Mountains, nos. 1565 and 1798, 
represent a plant intermediate in characters between A. arbuscula and A. tridentata, and 
this is said to occupy a belt above the latter and below the former. It is probably an 
undescribed species, but better material is needed. 
15. Artemisia rigida A. Gray (Nutt.) Proc. Am. Acad. 19: 49. 1884. 
SCABLAND SAGEBRUSH. 
Artemisia trifida rigida Nutt. Trans. Am. Phil. Soc. 7: 398. 1841. 
Type Locatity: “The plains of Lewis River.’’ Collected by Nuttall. 
RanGE: Idaho, eastern Washington, and eastern Oregon. 
SPECIMENS EXAMINED: Mount Adams, Suksdorf’ 72; North Yakima, Watt, August, 
1895; Leckenby; Wenache, Whited 1332; Chelan, Elmer 850; Moses Coulee, Lake & Hull 
717; Okanogan County, Cooper in 1853; Peshastin, Sandberg & Leiberg 470; plains of 
Columbia and Lewis rivers, Nuttall; without locality, Vasey 480; Rock Creek, Cotton 966; 
Wawawai, Piper 3814, 3815; Fort Simcoe, Cotton 1564. 
ZONAL DISTRIBUTION: Arid Transition. 
