106 University of California Publications in Botany [VOL. 9 



17. FESTUCA 



Blades narrow, flat, or loosely involute; lemma membranaceous ....1. F. viridula 

 Blades closely involute or sulcate; lemmas coriaceous 2. F. ovina 



1. Festuca viridula Vasey, U. S. Dept. Agr., Div. Bot. Bull, 13, 



pi. 93. 1893. 

 F. graoillima Thurb., Bot. Calif., vol. 2, p. 318. 1880, not Hook. 



Type locality. "California," presumably near Summit. 



Range. Mountains of Washington and Idaho, south through Ore- 

 gon and northern California to the central Sierra Nevada. 



Zone. Canadian. 



Specimens examined. Sierras, 5-8,000 feet, Bolander, Kellogg and 

 Co. in 1872 ; ridge south of Donner Pass, 8,500 feet, Heller 7154 ; Suzy 

 Lake, Tahoe, 7,800 feet, Smiley 185 ; Donner Lake, J. B. Davy 3222. 



2. Festuca ovina var. supina Hack., Bot. Centralbl., vol. 8, p. 405. 



1881. 



F. Supina Schr., Enum PI. Transs., p. 784. 1866. 



Type locality. "Auf Felsen und Gerolle der Hochalpen," Trans- 

 sylvania. 



Range. Holarctic ; in America south to Newfoundland on the east 

 coast; in the west along the mountains to New Mexico and southern 

 California. 



Zone. Arctic-alpine. 



Specimens examined. Mt. Rose, 10,000 feet, Kennedy 984; Mt. 

 Gibbs, 11,000 feet, Smiley 786; Mt. Dana, Hall and Babcock 3608; 

 Denel's Peak, 11,000 feet, Hall and Babcock 5514; near Farewell Gap, 

 11-12,000. feet, Purpus 5117, 3076; Sawtooth Peak, 12,250 feet, Hall 



and Babcock 5676. 



*. 



2a. Festuca ovina var. brachyphylla Piper, Contr. Nat. Herb., 

 vol. 10, p. 27. 1906. 



F. brachyphylla Sehult., Mant. vol. 3, p. 646. 1827. 



Type locality. "In Melville Island" (Arctic Archipelago). 



Range. In America south from the Arctic regions to California. 

 New Mexico, northern New England and Newfoundland. 



Zone. Arctic-alpine. 



Specimens examined. Mt. Dana, 12,500 feet, Brewer (State Sur- 

 vey no. 5066) ; Bolander (State Survey no. 6100). 



A collection made on the Mt. Lyell trail, Yosemite, 10,900 feet, is 

 possibly of this variety (Smiley 524). 



