1921] Smiley: Flora of the Sierra Nevada of Calif orma 195 



3. Ranunculus oxynotus Gray, Proc. Am. Acad., vol. 10, p. 68. 

 1874 



Type locality. — "California, near summit of Castle Peak, Sierra 

 County, at 9,000 feet. " J. G. Lemmon. 



Range. — Sierra Nevada and mountains of southern California. 



Zone. — ^Arctic-alpine, extending down into the upper Hudsonian. 



Specimens examined. — Sierra County, Lemmon 4; Mt. Stanford 

 (Castle Peak), C. F. Sonne, July 17, 1892; Mt. Rose, Nevada, 10,800 

 feet, Heller 9864; peak. above Sonora Pass, Brewer 1907 ; Cloud's Rest, 

 Congdon, August 23, 1890 ; Mt. Gibbs, edge of snow bank at 12,100 

 feet. Smiley 785 ; Mt. Dana, 11,000 feet. Smiley 721 ; ridge above Eliza- 

 beth Lake, near Tuolumne meadows, 10,100 feet, Smiley 808 ; Mt. 

 Lyell, 10,300 feet. Hall and Babcock 3561; Wood's Peak, 10-11,000 

 feet, Brewer 2121; Alta meadows, Tulare County, R. Hopping 515; 

 near Langley's Camp, Mt. Whitney, Hall and Babcock 5546; Farewell 

 Gap, 10,600 feet, Purpus 5669 ; same locality, 10,500 feet, Dudley 

 2585; lower slope of Sawtooth Peak, 11-12,000 feet, Dudley 1608; 

 near Mineral King, abundant on a slope, Coville and Funston 1534; 

 summit of Alta Peak, 11,211 feet, Dudley 1537 ; Olancha Mountain, 

 10,800-11,800 feet. Hall and Babcock 5232. 



This is the characteristic alpine buttercup of the Sierra and fre- 

 quently the alpine slopes and meadows are brilliantly colored by it. 



25. FUMAEIACEAE (Fumitory Family) 



Corolla bigibbous, both outer petals spurred and similar 1. Dicentra 



Corolla with only 1 petal spurred at base 2. Corydalis 



1. DICENTRA 



Flowers in a simple racemiform inflorescence. 



Capsule exserted and attenuate into the elongated style; flower about i/^ inch 



long : 1, D. pauciflora 



Capsule not exserted and abruptly beaked with the short thick style; flower 



1 inch long 2. D. uniflora 



Flowers in a thyrsoid inflorescence 3. D. formosa 



1. Dicentra pauciflora Wats., Bot. Calif., vol. 2, p. 429. 1880. 



Diclytra pauciflora Greene, Pitt., vol. 1, p. 187. 1888. 



Bikukulla -pauciflora (Wats.) Coville, Contr. Nat. Herb., vol. 4, p. 60. 1893. 



Type locality. — ' * Scott Mountains, near snow. " E. L. Greene. 

 i?a«(76;.— Mountains of northern California and in the southern 

 Sierra Nevada. 



Zone. — ^Arctic-alpine ? 



