1921] Smiley: Flora of the Sierra Nevada of California 235 



2. Potentilla Breweri Wats., Proc. Am. Acad., vol. 8, p. 555. 



1873. 



Type locality. ' ' Mono Pass in the Sierra ( 1720 Brewer) ; summit 

 above Cisco (Bolander)." 



Range. Sierra Nevada, northward to the Warner Mountains of 

 Modoc County. 



Zone. Canadian. 



Specimens examined. Summit above Cisco, Bolander, Keljogg and 

 Co. in 1872 ; Deer Park, Tahoe, Miss H. D. Geiss 37a, 37c, 37b* ; Soda 

 Springs, Nevada County, Jones, 351a, 351, 323 ; Independence Lake, 

 Nevada County, C. F. Sonne 1; Mt. Rose, 9,650 feet, Heller 9902; 

 Mt. Tallac, Tahoe, 9,000 feet, G. R. Hall 8792 ; Snow Flat, Yosemite, 

 Hall and Babcock, 3630* ; Lundy trail, Mt. Warren, Yosemite, Cong- 

 don, August 21, 1894 ; Mt. Dana, 12,500 feet, Bolander 5084* ; Dana 

 Fork meadows, Yosemite, 9,800 feet, Smiley 853 ; Tuolumne meadows, 

 8,600 feet, R. A. Ware 2693c; Kaiser Crest, Fresno County, 9,600 feet, 

 Smiley 631*; Hockett's meadows, Dudley 1874; Alpine Zone at Eagle 

 Lake, near Mineral King, 10,500 feet, Hall and Babcock 5363* ; Fare- 

 well Gap, Tulare County, 10-11,000 feet, Purpus 5675* ; Bullion Flat 

 near Mt. Whitney, Dudley 2527 ; mountains above Whitney meadows, 

 11-12,000 feet, Purpus 1652.* 



3. Potentilla dissecta Pursh., Fl. Am. Sept., p. 355. 1814. 



Type locality. "Near Hudson's Bay." 



Range. British Columbia to Saskatchewan to California and 

 Colorado. 



Zone. Canadian ? 



Specimen examined. Mono train, Yosemite, 8,600 feet, Brewer 275. 



3a. Potentilla dissecta Pursh. var. glaucophylla (Lehm.) Wats., 



Proc. Am. Acad., vol. 8, p. 556. 1873. 



P. glaucophylla Lehm., Delect. Sem. Hort. Bot. Hamb., 1836, p. 7. 1836. 

 Type locality. Not ascertained. 



Range. Widely distributed in western North America from Cali- 

 fornia and Colorado northward. 



Specimens examined. Tuolumne meadows, rich damp soil by 

 Tuolumne River, Yosemite, 8,600 feet, R. A. Ware 2684c ; soda springs, 

 Tuolumne meadows, Miss Eastwood, July 5-19, 1902. 



* These collections represent the var. expansa Wats. (Bot. Calif., vol. 1, p. 179, 

 1876), described from a collection made by Lemmon in Sierra County, and differ- 

 ing from the species in the decumbent stems and loosely aggregated flowers; both 

 species and variety grow together (see Miss H. D. Geiss as above; also Dudley 

 1874 shows both forms together upon Hockett's meadows). 



