1921 ] Smiley: Flora of the Sierra Nevada of California 215 



Range. Sierra Nevada north to southern Oregon; Coast Kanges 

 (Loma Prieta). 



Zone. Transition and Canadian. 



Specimens examined. Heather Lake, Tahoe, Mrs. Longhead, 

 August 11, 1898; Carson Spur, Alpine County, 8,500 feet, Hansen 

 723 ; Heather Lake, Tahoe, 7,800 feet, McGregor 180 ; Nevada County, 

 6,900 feet, A. M. Carpenter, August-October, 1892 ; Crags, Deer Park, 

 Placer County, Miss H. D. Geiss 203 ; Mt. Dana, Congdon, August 10, 

 1898; Whitney Creek, Tulare County, Culbertson (B 3860) ; between 

 Lone Pine and Heather meadow, Tulare County, Dudley 1870, 1872. 



2. BOLANDEA 



1. Bolandra californica Gray, Proc. Am. Acad., vol. 7, p. 341. 



1868. 



Type locality. "Yosemite Valley, on the Mariposa trail, among 

 rocks. ' ' 



Range. Yosemite region of the central Sierra Nevada. 



Zone. Canadian. 



Specimens examined. Yosemite cliffs, Congdon, June 5, 1897; 

 Tenaya Falls, A. Gray in 1872; Mariposa trail, on rocks, Bolander 

 4898. 



Reported by Hall 101 to grow at 8,400 feet in Stubblefield Canon, 

 and on the Glacier Point trail at 6,900 feet. 



3. HEUCHEEA 



1. Heuchera rubescens Torr., in Sitgr., Rep., p. 160. 1854. 



H. rubescens var. glandulosa Kellogg, Proe. Calif. Acad., vol. 5, p. 45. 



1873. 



H. lithophila Heller, Muhl., vol. 1, p. 105. 1904. 

 H. Sitgreavesii Rydb., N. A. FL, vol. 22, p. 110. 1905. 



Type locality. Not ascertained. 



Range. Rockies of Colorado and New Mexico west to the Sierra 

 Nevada and mountains of southern California; southern Oregon. 



Zone. Arid Transition to Arctic-alpine. 



Specimens examined. Near Summit Station, Heller 7028 ; Bier- 

 stadt Peak, Tahoe, 7,500 feet, Davy 3189; Devil's Cliff, near Summit, 

 Kennedy and Doten 270 ; Mt. Elwell, Plumas County, 7,800 feet, Hall 

 9397 ; Glen Alpine, Tahoe, cliffs at 7,000 feet, McGregor 140 ; Tamarack 

 trail, Tahoe, 7,200 feet, Smiley 254 ; Desolation Valley, Tahoe, Setchell 

 and Dobie, July 6-21, 1901 ; Mt. Stanford (Castle Peak), C. F. Sonne, 

 July 2G, 1886 ; Carson Spur, Alpine County, 8,500 feet, Hansen 713 ; 



