184 University of California Publications in Botany [Vol. 9 



Range. — Alaska to California and southeastward to Colorado and 

 New Mexico. Also Minnesota. 



Zone. — Transition and Canadian, rising rarely into the Hudsonian. 



Specimens ex^aminecl. — Sierra County, Lemmon 27 ; Soda Springs 

 (Nevada County?), 8,000 feet. Brewer 1707; Iceberg meadow, Alpine 

 County, 6,500 feet, Abrams 4884; Twin Lakes, Alpine County, Han- 

 sen 546; above Tallac, Dudley, June 8, 1893; Peregoy's, Yosemite, 

 A. Grey in 1872; Guyot Creek, eastern Tulare County, 10,500 feet, 

 H. M. and G. R. Hall 8429. 



4. SPRAGUEA 



1. Spraguea umbellata Torr., PI. Frera. Smithson. Contr., vol. 6, 

 p. 4, pi. 1. 1853. 



Calyptridium umhellatwm Greene, Bull. Torr. Bot. Club, vol. 13, p. 144. 



1886. 

 Calyptridium nudum Greene, Pitt., vol. 1, p. 64. 1887. 

 Calyptridium monospermuni Greene, Erythea, vol. 3, p. 63. 1895. 

 Spraguea umbellata var. moiitana Jones, Bull. Torr. Bot. Club, vol. 9, p. 31. 



1882. 



Type locality. — "Forks of the Nozah River, in the foothills of the 

 Sierra Nevada of northern California." (Nozah River, a branch of 

 the Sacramento west of Lassen Peak.) 



Range. — California north to British Columbia and east to Wyom- 

 ing. 



Zone. — Transition to Canadian, locally into the Hudsonian. 



Specimens examined. — Gold Lake, Sierra County, 6,400 feet. Hall 

 and Babcock 4511; Blue Caiion, Placer County, Miss H. A. Walker 

 1207; near Summit, Heller 7024; Desolation Valley, Tahoe, 8,200 feet, 

 Smiley 340; Mt. Tallac, summit rocks at 9,700 feet and approaching 

 the following variety. Smiley 269; Mt. Rose, in granite, 9,000 feet, 

 Heller 10,941; Deer Park, Tahoe, E. J. Newcomer in 1909; Pyramid 

 Peak, 9,500 feet, Smiley 93; Glacier Point, Yosemite, Miss Canp, 

 July, 1902 ; Porcupine Flat, Yosemite, 8,000 feet, R. A. Ware 2692c ; 

 Mt. Gibbs, 10,000 feet. Smiley 789; Mt. Silliman, 10,000 feet, Mrs. 

 Brandegee, August 21, 1905; Hockett's meadows, Tulare County, 

 Culbertson (B4295); dry woods under P. Murray ana, 8-9,000 feet, 

 about Funston's meadows, Tulare County, Dudley 2140. 



