236 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Range: Washington and Idaho to Cahfornia and Nevada. 



Specimens examined: Wen&che, Whited IIX; "EWensbuvg, Whited 665; North Yakima 

 Walt, August, 1S95; Pasco, Elmer 1057; Piper, July 11, 1897; Waitsburg, Horner 584; 

 Wawawai, Piper 1546; without locality, Vasey in 1889; Prosser, Cotton 807. 



Zonal distribution: Upper Sonoran. 



12. Eriogonum. baileyi S. Wats. Proc. Am. Acad. 10: 348. 1875. 

 Type locality: Northwestern Nevada. Collected by W. W. Bailey. 

 Range: Washington to Arizona and Utali. 



Specimens examined: Yakima, Howell in 1877; Vatiey 147. 

 Zonal distribution: Upper vSonoran. 



13. Eriogonum minimum Small, Bull. Torr. Club 25:47. 1898. 



Type locality: Cascade Mountains, Washington. Collected by Brandegee, probably 

 on Mount Stuart. 



Range: Known only by the type specimen. 



Specimens examined: Cascade Mountains, Brandegee 872. 



14. Eriogonum douglasii Benth. in DC. Prod. 14:9. 18.56. 

 Type locality: " In montibus Coeruleis. Gairdner! Douglas!" 

 Range: Washington to California. 



Specimens examined: Wenache Mountains, Elmer 461; Whited 101; Ellensburg, 

 Whited 355, 642, 100; Piper 2706; North Yakima, Steinweg in 1894; Tampico, Flett 1051; 

 mountains l)etween Ellensburg and Wenache, Whifed 725; without locality, Vasey in 1889; 

 Wenache Mountains, Oriffilhs ct Cotton 118; Cotton 1297. 



Zonal distribution: Arid Transition. 



14a. Eriogonum douglasii ramosum subsp. nov. 



DifTers from tlie typical I'urm in that the umbel is compound. 

 Foothills east of Ellensljurg, Whited 643. 



15. Eriogonum sphaerocephalum Dougl; Benth. Trans. Linn. Soc. 17:407. 1837. 

 Type locality: "C()lumi)ia River." Collected by Douglas. 



Range: Eastern Washington to California and Nevada. 



Specimens examined: Ellensburg, Elmer 1083; Wenache, Whited 724, 1278; Yakima 



River, Wilkes Expedition 936; Tampico, Flett 1054; Simcoe Valley, Lyall in 1860; Crab 



Creek, Suksdorf A'i5; Wilson and Crab creeks, Sandherg <& Leiberg 319; without locality, 



Douglas; Coulee City, Piper 3842; Rattlesnake Mountains, Cotton 704; Umtanum Creek, 



Cotton 814. 



Zonal distribution: Upper Sonoran. 



\ 



15a. Eriogonum sphaerocephalum tenue (Small). 



Eriogonum tenue Small, Bull. Torr. Club 25: 41. 1898. 



Type locality: West Klickitat County, Washington. Collected by Suksdorf. 



Range: Eastern Washington and perhaps eastern Oregon. 



Specimens examined: West Klickitat County, Suksdoif 4.33, 307, 434, 694; eastern 

 W^ashington, Hdgard in 1882; Coulee City, Henderson, -July 11 , 1892; Wilson Creek, Lake & 

 Hull 672. 



Zonal distribution : Upper Sonoran. 



16. Eriogonum thymoides Benth. in DC. Prod. 14: 9. 18.56-7. 



Type locality: "Ad fl. Spokan in regione Oregon superioris." Collected by the Wilkes 

 Expedition. 



Range: Washington and Oregon. 



Specimens examined: Wenache, Whited 76, .33, 1091; Ellensburg, Whited 648; Piper 

 2710; North Yakima, Henderson, May 2 and 26, 1892; Steinweg in 1894; Rattlesnake 

 Mountains, Cotton 361, 362; Pasco, Hindshaw 10; Bickleton, Suksdorf 432; Goldendale, 



