236 CONTBIBUTIONS FROM THE NATIONAL HERBABIUM. 



Range: Washington and Idaho to Cahfornia and Nevada. 



Specimens examined: Wenache, IFAiteii 1156; Ellensburg, TFAi/fd 665; North Yakima 

 Wait, August, 1895; Pasco, Elmer 1057; Pi'per, July 11, 1897; Waitsburg, Homer 584; 

 Wawawai, Piper 1546; without locaUty, 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 Utah. 



Specimens examined: Yakima, IIou^ll in 1877; V<isey 147. 

 Zonal dkstribition: Upper Sonoran. 



13. Eriogonum minimum Small, Bull. Torr. Club 26: 47. 1898. 



Type ixx'ality: Cascade Mountains, Washington. C<)llected by Brandegee, probably 

 on Mount Stuart. 



Range: Known only by the type specimen. 



Specimens examined: Cascade Mountains, Brandtgee 372. 



14. Eriogonum douglasii Benth. in DC. Prod. 14:9. 1^56. 

 Type uk'ality: " In montibus C<x>ruleis. Oairdnor! IXnigla-s!" 

 Range: Wa.shington to California. . 



Specimens examined: Wenache Mountains, £2mer 461; Whited 101; Ellensburg, 

 WhHed:i.V),M2, 100; Piper 2706; North Yakima, «S/«?inirej; in 1894; Tampico, /'7<'« 1051; 

 mountains IxMween F211en.sburg and Wenache, Whited 725; without locality, Vasey in 1889; 

 Wenache Mountains, Griffiths cfe Cotton 118; Cotton 1297. 



Zonal di.stribution: Arid Transition. 



14a. Eriogonuiu douglasii ramosum. sulxsp. nov. 

 Differs from tlie typical fonn in that the umlH'l is compound. 

 Foothills east of Kllenslmrg, Whited 643. 



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

 Type i/x;ality: "Columbia River." Collected by Douglas. 



Range: Ea.stern Washington to California and Nevada. 



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

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

 Creek, Suksdorf 4S5; Wilson and ('rab creeks, Sandberg ck I^iherg 319; without locality, 

 Doj/^/as; Coulee City, Piper 3842; Rattlesnake Mountains, Cotton 704; Umtanum Creek, 

 Cotton 814. 



Zonal distribdtion: Upper Sonoran. 



16a. Eriogonum sphaerocephalum tenue (Small). 



Eriogonum tenue Small, Bull. Torr. Club 26: 41. 1898. 



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



Range: Eastern Washington and perhaps eastern Oregon. 



Specimens examined: West Klickitat County, Suksdorf 433, 307, 434, 694; eastern 

 Washington, Hilgard in 1882; Coulee City, Henderson, July 11, 1892; Wilson Creek, Lake cfe 

 Hull 672. 



Zonal distribution: Upper Sonoran. 



16. Eriogonum thymoides Benth. in DC. Prod. 14: 9. 1856-7. 



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, 



