234 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Leaves large, 2 to 8 cm. long, oblong-ovate, mostly 



cordate; peduncles stout, naked 19. E. compoHitinn. 



Leaves smaller, never cordate; peduncles not naked. 



Leaves narrow, tomentose on both sides 20. E. Jieradeoides. 



Leaves broader, glabrous or glabrate above. 



Inflorescence a single involucre 21. E. tolmieanum. 



Inflorescence umbellate. 

 Umbel simple. 



Flowers yellow 22. E. umbellatum. 



Flowers cream-color 22b. E. umheUatum majus^ 



Umbel compound 23. E. stellatum. 



1. Eriogonum angiilosum Bentii. Trans. Linn Soc. 17: 406. 1837. 

 Type locality: California. 



Range: Washington to California and Arizona. 



Specimens examined: Morgans Ferry, Suhsdorf 438; Yakima region, Brandegee 1051. 



Zonal distribution: Upper Sonoran. 



2. Eriogonum ovalifolium Nutt. Journ. Acad. Piiiia. 7: 50. 1834. 

 Type locality: "Sources of the Mi.ssouri." Collected by Wyeth. 

 Range: British Columbia to California and Colorado. 



Specimens examined: Mount Rainier, Smith 773; Mount Adams, SuJcsdorf 87; Fleti 

 1051; Mount Stuart, Sandberg d; Leiherg 827; Olympic Mountains, Elmer 2082. 

 Zonal distribution: Arctic. 



3. Eriogonum vineum Small, Bull. Torr. Club 25: 45. 1898. 

 "i. Eucyeld purpurea Nutt. Journ. Acad. Phila. II. 1: 166. 1847. 



? Eriogonum purpureum Nutt.; Benth. in DC. Prod. 14: 10. 1856. 



Type locality; "California, near Rose mine, San Bernardino Mountains,' altitude 2,10(^ 

 meters." 



Range; Washington to California. 



Specimens examined; Olympics, Flett 127; Mount Adams, Hemlerxon, August 10, 1892; 

 Mount Stuart, Elmer 1221. 



Zonal distribution; Arctic. 



4. Eriogonum proliferum Torr. & Gr. Proc. Am. Acad. 8: 164. 1873. 

 ? Eriogonum ohlongifolium minus Benth. in DC. Prod. 14: 113. 1856. 



Ty'pe locality: "Idaho Mountains (Prof. O. Marcy, Prof. Swallow) to N. Fork of the 

 Columbia, Wilkes Expedition, Weenas Valley and Walla Walla, Lyall." 



Range: Washington and Idaho to California. 



Specimens examined: Ellensburg, Whited 537, 658, 668; Elmer 382, 1087, 391; Piper 

 2719; Wenache, FA i/e(/ 147, 1245, 1169; Satus, Elmer 1072; F&sco, riindshaw 36,14; Piper 

 29,56; Mount Cleman, Flenderson; Peshastin, Sandberg cfc Leiherg 493; Snipes Mountain, 

 Co//on 386; North Yakima, Henderson 2426; Flett 1056; Walt; Steiniveg; Lechenhy; with- 

 out locality, Henderson 2428; Goldendale, Sulcsdorf 440; Rattlesnake Mountains, SuJcsdorf 

 439; Morgans Ferry, Suksdorf 441; Wenas Valley and Walla Walla, Lyall in 1860; without 

 locality, Vasey 145; between Spipen River and North Fork of the Columbia, Wilkes 

 Expedition. 



Zonal distribution; Upper Sonoran. 



Apparently all the Washington specimens that have been referred to E. obhngifolium 

 belong to E. proliferum. 



5. Eriogonum niveum Doug!.; Benth. Trans. Linn. Soc. 17: 414. 1837. 

 Eriogomum dichotomum Dough; Benth. op. cit. 415. 



Type locality: "Valleys of the Blue Mountains." Collected by Douglas. 

 Rangb: British Columbia to Idaho and California. 



