1921 ] Smiley: Flora of the Sierra Nevada of California 407 



Specimens examined. Velma Lakes, Eldorado County, 8,000 feet, 

 Hall 8806; Ebbett's Pass, 8,000 feet, Brewer 1983; Lake Tenaya, 

 Yosemite, Congdon, August 14, 1894; meadows near Black Mountain, 

 9,500 feet, Fresno County, Hall and Chandler 599; Hockett's 

 meadows, Tulare County, 8,400 feet, Hall and Babcock 5595. 



The species ranges from Alaska to Oregon and Colorado and is 

 characterized by the possession of copious black hairs upon the in- 

 volucre, which in the variety are either absent or nearly so. 



3. Hieracium cynoglossoides Arvet. var. nudicaule Gray, Proc. 



Am. Acad., vol. 19, p. 68. 1883. 



Type locality. "Northern portion of the Sierra Nevada, Califor- 

 nia." 



Range. From Lassen's Peak southward through the Sierra 

 Nevada. 



Zone. Transition and Canadian. 



Specimen examined. Mt. Silliman, Tulare County, 9,000 feet, 

 Mrs. Brandegee, August 24, 1905. 



4. Hieracium albiflorum Hook., Fl. Bor. Am., vol. 1, p. 298. 1833. 



Type locality. "Rocky Mountains north of Smoking River, lat. 

 56." 



Range. British Columbia east to Alberta and south to California 

 and Colorado. 



Zone. Transition and Canadian. 



Specimens examined. Snow Valley, Ormsby County, Nevada, 

 2,460-2,615 m., Baker 1370 ; Glen Alpine, Tahoe, Setchell and Dobie, 

 July 6-21, 1901 ; Silver Lake, Amador County, 7,200 feet, E. Mulliken 

 150; Nevada Falls trail, Yosemite, Congdon, July 2, 1885; Hockett's 

 meadows, Tulare County, 8,500 feet, Hall and Babcock 5598; same 

 locality, Culbertson (B4435). 



