244 University of California Publications in Botany [Vol. 9 



Specimens examined. — Volcano meadows, Tulare County, 8,500 

 feet, Hall and Babcock 5466 ; Volcano Creek, 7,500 feet. Hall and Bab- 

 cock 5448; Hockett's meadows, Culbertson (B 4405) ; same locality, 

 2,700 m.. Hall 1486. 



3. Ivesia Gordonii (Hook.) T. and G., Pac. R.R. Rep., vol. 6, p. 72. 



1857. 



Horkelia Gordonii Hook, Journ. Bot. and Kcav Gard. Misc., vol. 5, p. 3-il. 



1853. 

 Potentilla Gordonii Greene, Pitt., vol. 1, p. 106. 1887. 

 Ivesia alpicola Howell, Fl. N.W. Axq., vol. 1, p. 182. 1898. 

 HorTcelia Gardonii alpicola Rydb., Mem. Dept. Bot. Columbia Univ., vol. 2, 



p. 152. 1898. 



Type locality, — Not precisel}^ given. 



Range. — Pacific Coast from Washington to the southern Sierra 

 Nevada east to Montana and Colorado. 



Zone. — Hudsonian mainlj", rising to and above timber-line. 



Specimens examined. — Sierra County, Lemmon 91 ; summit of 

 Castle Peak, 9,000 feet, Lemmon, September, 1872 ; Downieville Peak, 

 Sierra County, Lemmon, September 1877; Ebbett's Pass, 9,000 feet. 

 Brewer 2071 ; Sonora Pass, 10,000 feet, Brewer 1896 ; soda springs, 

 Tuolumne River, 8,700 feet. Brewer 1698; Lyell Canon, Yosemite, 

 9,000 feet. Hall and Babcock 3593 ; Kaweah meadows, Tulare County, 

 9,400 feet, Purpus; Wliitney meadows. Hall and Babcock 5467 at 

 8,500 feet; mountains near Farewell Gap, 11-12,000 feet, Purpus 

 5178*; Cloud's Rest, Chesnut and Drew, July 13, 1889; Brown's 

 meadows, Tulare County, 7,500 feet, Hall and Babcock 5127*; Mt. 

 Dana, common below 12,750 feet, Hall and Babcock 3609* ; Sawtooth 

 Peak, 11-12,000 feet, Dudley 1603; Funston's meadows, Tulare 

 County, 8-9,000 feet, Dudley 2158 ; slope of Mt. Kaweah, rocks above 

 13,000 feet, Dudley 2101 ; near Mt. Whitney, Dudley 2476*. 



4. Ivesia lycopodioides Gray, Proc. Am. Acad., vol. 6, p. 530. 



1865. 



I. Gordonii var. lycopodioides Wats., Bot. Calif., vol. 1, p. 183. 1876. 



Type locality. — "High alpine region of the Sierra Nevada, on 

 Mount Dana, alt., 11,000 to 12,000 feet." 

 Range. — Sierra Nevada. 

 Zone. — Arctic-alpine. 



* These collections show the petals of large size and this larger size of petal 

 is considered sufficient warrant for I. megalopetala Rydb. (N. Am. FL, vol. 22, 

 p. 289. 1908) ; in my opinion, the characters are inadequate to maintain the 

 segregate even as a form. 



