1921] Smiley: Flora of the Sierra Nevada of California 159 



1. Eriogonum spergulinum Gray, Proc. Am. Acad., vol. 7, p. 389. 



1868. 



Oxytheoa spergulina Greene, Fl. Fran., p. 153. 1891. 



Oxytheoa Eeddingiana Jones, Bull. Torr. Bot. Club, vol. 9, p. 32. 1882. 



Type locality. — "Dry sandy soil, banks of Big Creek below the 

 Mariposa Big-tree Grove." Bolander. 



Range. — North Coast ranges and Sierra Nevada, northward to 

 southern Idaho. 



Zone. — Transition and Canadian. 



Specimens examined. — Mt. Tallac, 9,500 feet, McGregor 189 ; Half- 

 moon Lake, 7,760 feet, McGregor 48; Caple's Lakes, Alpine County, 

 8,500 feet, Hansen 304 ; lower end Donner Lake, Heller 6905 ; Mono 

 trail, 10,000 feet, Bolander 5098 ; around shores of Lake Van Orden, 

 near Summit, Kennedy and Doten 235 ; Soda Springs, Nevada County, 

 Jones 2408 (co-type of 0. Reddingiana) ; Hockett's meadows, Tulare 

 County, Culbertson (B 4443) ; Sky Valley, Tulare County, 10,000 feet, 

 Culbertson (B 4570) ; very abundant in sandy places on Hockett's 

 meadows, Tulare County, Dudley 1884 ; Olancha Mountain, 9,400 feet, 

 Rothrock 331 ; sandy places on Soda Creek, Tulare County, 9-10,000 

 feet, Purpus 5247 ; Whitney meadows, dry soil on margins of meadows, 

 2850 m., Coville and Funston 1622. 



2 Eriogonum microthecum Nutt., Jour. Acad. Phila. II, vol. 1, 

 p. 162. 1848. 



Type locality. — "On the sides of hills in Oregon, east of Walla 

 Walla." 



Range. — East slope Sierra Nevada, north to Washington and east 

 to the northern Rockies. 



While no specimen of this typically Upper Sonoran species has 

 been identified from our region, it occurs in a dwarf form at Mono 

 Pass and at Sonora Pass — forma alpina T. and G. (Proc. Am. Acad., 

 vol. 8, p. 171. 1870) : Sonora Pass, 9,000, Brewer 1888; Mono Pass, 

 Bolander 6356. 



3. Eriogonum Wrightii Torr. var. subscaposum Wats., Bot. Calif., 



vol. 2, p. 29. 1880. 



E. curvatvm Small, Bull. Torr. Bot. Club, vol. 25, p. 50. 1898. 

 E. junceum Greene, Leaflets, vol. 1, p. 77. 1904. 



Type locality. — "Sierra Nevada and W. Nevada." 

 Range. — Sierra Nevada southward to the mountains of southern 

 California. 



Zone. — Canadian and above. 



