558 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
3. Chrysopsis hispida (Hook.) Nutt.; DC. Prod. 7: 279. 1839. 
Diplopappus hispidus Hook. Fl. Bor. Am. 2: 22. 1834. 
Chrysopsis hirsuta Greene, Pittonia 3: 296. 1898. 
Type Locaity: ‘“Carlton-House Fort.’ 
Rance: Washington to Saskatchewan, south to Texas and Arizona. 
SPECIMENS EXAMINED: Loon Lake, Winston, July 20, 1897; Spokane, Piper 2385; 
Granddalles, Cotten 1550. 
ZONAL DISTRIBUTION: Arid Transition and Upper Sonoran. 
CHRYSOTHAMNUS. Rassir srusu. 
Bracts of the involucre attenuate, acute...............-.-.-.------ 4. C. bloomeri. 
Bracts of the involucre obtuse or obtusish. 
Stems glabrous. 
Heads few; plant 15 to 30 em. high....... 2... 2.222222-22.-- 1. C. pumilus. 
Heads numerous; plant .5 to 2m. high.......222.-22--2-2... 2. C. viscidiflorus, 
Stems more or less pubescent... ............-.2.-2-22--2-22------- 3. CU. nauseosus. 
1. Chrysothamnus pumilus Nutt. Trans. Am. Phil. Soc. 7: 323. 1840. 
Bigelovia douglasti pumila A. Gray, Syn. Fl. 12: 140. 1884. 
Type Locauity: “On the border of Lewis River and the Rocky Mountain plains.” Col- 
lected by Nuttall. 
Rance: Washington and Montana to Utah. 
SPECIMENS EXAMINED: Yakima region, Brandegee in 1882. 
2. Chrysothamnus viscidiflorus (Hook.) Nutt. Trans. Am. Phil. Soc. 7: 324. 1840. 
Crinitaria viseidiflora Hook. Fl. Bor. Am. 2: 24. 1834. 
Bigelovia viseidiflora DC. Prod. 7: 279. 1838. 
Bigeloia douglasit A. Gray, Proc. Am. Acad. 8: 645. 1873. 
Type Locauity: “On the barren plains of the Columbia from the Great Falls to the 
mountains, and along Salmon River.’’ Collected by Douglas. 
Rance: British Columbia to Dakota, south to California and New Mexico. 
SPECIMENS EXAMINED: Tampico, Henderson, July 31, 1892; Ellensburg, Whited 855; 
North Yakima, Henderson, October 5, 1892; Wenache, Whited 1328; Rattlesnake Moun- 
tains, Cotton 481; Egbert Springs, Sandberg & Leiberg 382; Chelan, Elmer 852; Coulee 
City, Lake & Hull 732; without locality Vasey 509; mouth of Snake River, Cooper. 
ZONAL DISTRIBUTION: Upper Sonoran. 
2a. Chrysothamnus viscidiflorus lanceolatus (Nutt.) Greene, Erythea 3: 95, 1895. 
Chrysothamnus lanceolatus Nutt. Trans. Am. Phil. Soc. 7: 324. 1840. 
Bigelovia douglasii lanceolata A. Gray, Syn. Fl. 12: 140. 1884. 
Type Loca.iry: “Toward the source of the Platte and on the banks of Lewis River.” 
Collected by Nuttall. 
Rance: Washington to Montana and Wyoming. 
SPECIMENS EXAMINED: Tampico, Flett 1026. 
ZONAL DISTRIBUTION: Upper Sonoran. 
3. Chrysothamnus nauseosus (Pall.) Britton in Britt. & Br. Ill. Fl. 3: 326. 1898. 
Chrysocoma nauseosa Pall.; Pursh, Fl. 2: 517. 1814. 
Chrysothamnus speciosus albicaulis Nutt. Trans. Am. Phil. Soc. 7: 324. 1840. 
Bigelovia graveolens albicaulis A. Gray, Proc. Am. Acad. 8: 645. 1873. 
Type Loca.itry: “On the banks of the Missouri.”’ 
Rance: Washington to Alberta, south to California and Wyoming. 
SPECIMENS EXAMINED: Yakima Region, Cooper; Ellensburg, Whited 856; Umtanum 
Creek, Cotton 895; Prosser, Cotton 897; Blue Mountains, Horner 327; Wawawai, Piper 1571; 
Quillamene Creek, Cotton 1790. 
ZONAL DISTRIBUTION: Upper Sonoran. 
