164 University of California Publications in Botany [VOL. 9 



Specimens examined. Dormer, Kellogg, August 6, 1870; high 

 mountain near Donner Pass, Torrey 443; Sierra Valley, Lemmon in 

 1873; Mt. Stanford (Castle Peak), Hooker and Gray in 1877. 



Scarcely more than a glabrous form of the preceding species ; Jones 

 , (Contr. W. Coast Bot., vol. 11, p. 5. 1903) has reduced it to varietal 

 rank. 



10. Eriogonum stellatum Benth., Trans. Linn. Soc., vol. 17, p. 409. 



1837. 



Type locality. "Interior of North-west America." 



Range. Southeast "Washington and central Idaho southward to 

 southern California. 



Zone. Transition (Arid) and Canadian. 



Specimens examined. Crescent Lake, Mariposa County, Congdon, 

 August, 1889 ; Snow Creek, Yosemite, gravelly ridges, 6,600 feet, Hall 

 9216 ; Glacier Point, Yosemite,' Canby, August 15, 1895. 



11. Eriogonum ursinum Wats., Proc. Am. Acad., vol. 10, p. 347. 



1875. 



Type locality. ' Plumas County, California, by Mrs. M. E. P. 

 Ames and J. G. Lemmon, in Long and Bear Valleys, apparently 

 abundant. ' ' 



Range. Northern Sierra and in the Coast Ranges. 



Zone. Transition, entering the Canadian. 



Specimens examined. Cisco, Kellogg, June 15, 1870; summit 

 back of Jonesville, Butte County, 7,000 feet, Heller 11666 ; Summit, 

 Kennedy and Doten 236 ; mountains south of Summit Station, 8,000 

 feet, C. F. Sonne, September 2, 1892 ; Cisco, Miss H. A. Walker 1432. 



lla. Eriogonum ursinum var. venosum S. Stokes, in Herb. 



This variety has smaller leaves and more slender peduncles than 

 the type, and the rays of the umbel are of very unequal lengths. 



Specimen examined. Mt. Silliman, Tulare County, 9,800 feet, 

 Mrs. Brandegee, August 22, 1905. 



12. Eriogonum incanuni T. and G., Proc. Am. Acad., vol. 8, p. 



161. 1870. 



Type locality. "On the Tuolumne River, alt. 8-11,000 feet." 

 Range. Sierra Nevada, mainly in the southern half of the range. 

 Zone. Hudsonian and Arctic-alpine. 



Specimens examined. Pyramid Peak, 9,500 feet, Hall and Chand- 

 ler 4733; Dick's Peak, Tahoe, 8,700 feet, Smiley 426; Snow Valley, 



