76 University of California Publications in Botany [Vol. 9 



Type locality. — "Habitat in California," Chamisso. 



Range. — Alaska to California, east to Idaho. 



Zone. — Transition and Canadian. 



Specimens examined. — Plumas County, Mrs. Austin; Sierra Val- 

 ley, Lemmon in 1873 ; Sliuteye Mountain, Madera County, 7,000 feet, 

 J. Murdoch 2566. 



These specimens are referred to the type by the average small size 

 of the fronds; the larger-fronded variety — var, imhricans (Eaton) 

 Maxon (Fern Bull., vol. 8, p. 30, 1900) — occui-s on our northern 

 border. 



2. Polystichum Lonchitis Roth., Tent. Fl. Germ., vol. 3, p. 71. 



1800. 



Polypodium Lonchitis L., Sp. PI., p. 1088. 1753. 

 Dryopteris lonchitis Kuntze, Rev. Gen., vol. 2, p. 813. 1891. 



Type locality. — "Habitat in alpinus Helvetiae, Baldi, Arvoniae, 

 Monspelii, Virginiae." 



Range. — Circumpolar in the northern hemisphere : south in Amer- 

 ica to California, Colorado, New York, and Gulf of St. Lawrence. 



Zone. — Hudsonian and Arctic-alpine. 



Specimen examined. — Long Lake, Plumas County, 6,800 feet, Mrs. 

 C. C. Hall 9347. 



Polystichum Lemmonii Underw, (Our Native Ferns, ed. 6, p. 116. 

 1900), a species of alpine habitat in northern California and ranging 

 north to Alaska, has as yet not been collected in the Sierra Nevada. 



7. DRYOPTERIS 



1. Dryopteris nevadense Underw., Our Native Ferns, ed. 4, p. 113. 



1893. 



Aspidium nevadense D. C. Eaton, Ferns N. Am., vol. 1, p. 73, pi. 10. 1878. 

 Nephrodium nevadense Baker, Ann. Bot., vol. 5, p. 321. 1891. 



Type locality. — "In moist meadows and along creeks in Sierra 

 Nevada of North California, especially in meadow containing also 

 Darlingtonia near Quincy, Plumas Co.'' 



Range. — Sierra Nevada and north in the Cascades of Oregon. 



Zone. — Transition and Canadian. 



Specimens examined. — Mill Creek, Plumas County, Mrs. Austin in 

 1877 ; Lake Chiquito, Madera County, J. W. Congdon, August 16, 

 1895; Devil's Gulch, Mariposa County, J. W. Congdon, August, 1892. 



