234 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



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



cordate; peduncles stout, naked \9. E. compositUTn. 



Leaves smaller, never cordate; peduncles not naked. 



Leaves narrow, tonientose on both sides 20. E. heracleoid^s. 



Leaves broader, glabrous or glabratc al)ove. 



Inflorescence a single involucre 21. E. tolmieanum. 



Inflorescence umbellate. 

 Umbel simple. 



Flowers yellow 22. E. umhellalvm. 



Flowers cream-color 22b. A\ umbellatum majuSi 



Umbel compound 23. E. stellatum. 



1. Eriogonum angnlosum Benth. Trans. Linn So<-. 17: 406. \S37. 

 Tyi'K uxality: C'Hiifornia. 

 Ranok: Wa-shington to California and Arizona. 



Specimen.s e.xaminrd: Morgans Ferry, Suk-Kdorf 4:i8; Yakima region, Brandegee 1051. ; 



Zonal distribution: Upper Sonoran. 



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

 Typk IjIXality: "Sources of the Missouri." Collected by VVyeth. 

 Range: British Columbia to California and Colorado. 

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



1051; Mount Stuart, Sandberg d' Leiberg H27; Olympic Mountains, Elmer 2682. 

 Zonal distribution: Arctic. 



3. Eriogonum vineiim Small, Bull. Torr. Club 26i: 45. 1898. 

 t Exu-ycla purpurea Nutt. Journ. Acad. Phila. II. 1: 16(). 1847. 

 'i Eriogonum purpureum Nutt.; Benth. in IX). I'rod. 14: 10. 1856. 

 Ttpe locality: "California, near Rase mine, San Bernardino Mountains, altitude 2,100 



meters." 



Range: Washington to California. 



Specimens examined: Olympics, FZeW 127; Mount Adams, //cTwi«rson, Augu.st 10, 1892; 

 Mount Stuart, Elmer 1221. 



Zonal distribution: Arctic. 



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

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

 Type 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, Whited 147, 1245, 1169; Satus, Elmer 1072; Pasco, Eindshawm, 14; Piper 

 2956; Mount Cleman, Henderson; Peshastin, Sandberg <& Leiberg 493; Snipes Mountain, 

 Cotton 386; North Yakima, H enderson 2426 ; Flett 1056; Watt; Steinweg; Leckenby; with- 

 out locality, Henderson 242H; Goldendale, Suksdorf 440; Rattlesnake Mountains, Suksdorf 

 439; Morgans Ferry, Suksdorf 441 ; Wenas Valley and Walla Walla, Lycdl 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. ohlongifolium 

 belong to E. proliferum. 



6. Eriogonum niveum Dougl.; Benth. Trans. Linn. Soc. 17: 414. 1837. 

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



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

 Rangh: British Columbia to Idaho and California. 



