1921] Smiley: Flora of the Sierra Nevada of California 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. Lerfimon. 



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 % 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.) CoviUe, Contr. Nat. Herb., vol. 4, p. 60. 1893. 



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

 Range. — Mountains of northern California and in the southern 

 Sierra Nevada. 



Zone. — ^Arctic-alpine ? 



