1921] Smiley: Flora of the Sierra Nev^ada of Calif ornia 73 



Road near Dark Hole, 7,700 feet. Smiley 882; Old Baldv, Fresno 

 County, A. A. Eaton; Mineral King, Coville and Funston 1502; Mt. 

 Silliman, Tulare County, Mrs. Brandegee in 1905. 



2. CHEILANTHES 



1. Cheilanthes gracillima D. C. Eaton, Bot. Mex. Bound. Surv., 

 vol. 2, p. 234. 1859. 



Type locality .—^ ^ Cascade Mountains of Oregon at 7,000 feet alti- 

 tude, lat. 44°." 



Range. — British Columbia to southern California ; east to Idaho. 



Zone. — ^Arid Transition to Hudsonian. 



Specimens examined. — Buttertly Valley, Plumas County, Mrs. 

 Austin; mountains around Webber Lake and Sierra Vallej-, J. G. 

 Lemmon ; crevices in granite ledges above Donner Lake, Sonne 319 ; 

 Glen Alpine trail to Mt. Tallac, 9,000 feet, Abrams 4,847 ; Yosemite 

 Vallej', Canb}^ October, 1869 ; Kern-Kaweah Falls, Tulare County, 

 10,000 feet, Dudley 2374. 



Christ""' extends the range of this fern to Central Mexico and 

 Costa Rica and eastward to Missouri. I have seen no representatives 

 outside of the range indicated above. 



Cheilanthes Fendleri Hook, is reported by Parish*** from Mt. Stan- 

 ford (now called Castle Peak), but I have seen no evidence that the 

 species enters the high mountains of the Sierra. 



3. PELLAEA 



Lanceolate fronds once pinnate and all alike. 



Pinnae entire or rarely a few divided; stalk not brittle 1. P. Bridgesii 



Pinnae divided into two unecjual lobes; stalk very brittle 2. P. Breweri 



Triangular fronds thrice pinnate and of two sorts, fertile and sterile..3. P. densa 



1. Pellaea Bridgesii Hook., Sp. FiL. vol. 2, p. 238. 1858. 



Type locality. — "Mountains, interior of California." 



Range. — Sierra Nevada. 



Zone. — Canadian. 



Specimens examined. — Summit Valley, 8,000 feet, Pringle, Sep- 

 tember 21, 1882 ; above Meadow Lake, Lemmon 1229 ; Bierstadt Peak, 

 7,300 feet, Davy 3200; above Donner Lake toward Donner Pass, 

 Heller 7015 ; ridge below Lake Lucile, Dudley, June 26, 1900 ; Deso- 

 lation Valle}', Tahoe, 8,400 feet, Smilej- 99 ; rocks above Glen Alpine 

 road, Tahoe, Miss Lathrop, July 12, 1909; Silver Lake, 8,000 feet, 

 Hansen 648 ; granite ledge above Donner Lake, Sonne 322 ; Mariposa 



