132 University of California Puhlications in Botany [Vol.9 



5. Juncus orthophyllus Coville, Contr. Nat. Herb., vol. 4, p. 207. 



1893. 



J. longistylis var. ? latifolius Englem., Trans. St. Louis Acad., vol. 2, p. 496. 



1868. 

 J. latifolius Buchenau, Monogr. Juncac, p. 425. 1890. 



Type locality. — "Californian Sierras on alpine meadows or along 

 rivulets in the Yosemite Valley alt. 4000 feet, Hb. n. 46 ; on the npper 

 Tuolumne, alt. 10,000 feet, and frequent on the eastern slope of the 

 mountains. ' ' 



Range. — Sierra Nevada northward to British Columbia. 



Zone. — Transition and Canadian. 



No specimens of this rush have been seen by me; Coville {I.e.) 

 found a rush growing on Whitney meadows, Tulare County, which he 

 referred to this species ; it formed a conspicuous part of the meadow 

 vegetation. 



6. Juncus nevadensis Wats., Proc. Am. Acad., vol. 14, p. 303. 



1879. 



J. plmcocephalus var. gracilis Engelm., Trans. St. Louis Acad., vol. 2, 

 p. 209. 1868. 



Type locality. — "Frequent in the Sierra Nevada, from Kern 

 County (Rothrock) to Oregon." 



Range. — Sierra Nevada and southern Cascades. 



Zone. — Canadian. 



Specimens examined. — Independence Lake, Sierra County, 7,500 

 feet. Hall and Babcock 4541 ; Lake Tahoe to Bear Valley, Bolander, 

 Kellogg and Co. in 1866 ; high mountain near Donner Pass, Torrey 

 535; Pyramid Peak, Tahoe, 9,500 feet. Smiley 114; Tamarack trail, 

 Tahoe, 8,400 feet, Smiley 259 ; Castle Peak, Tahoe, 8,200 feet, Smiley 

 471; Crescent Lake, Mariposa Countj^, Congdon, August 10, 1890; 

 Snow Flat, Yosemite, 8,700 feet. Hall and Babcock 3492; Tuolumne 

 meadows, open ground at 8,600 feet, R. A. Ware 2724c; between Lake 

 Tenaya and Tuolumne meadows, 8,700 feet. Smiley 705; Hockett's 

 meadows, Tulare County, 8,500 feet, Hall and Babcock 5617 ; near 

 Whitney meadows, Coville and Funston 1721 ; Kern River, 9,800 feet, 

 Rothrock 382. 



7. Juncus chlorocephalus Engelm., Trans. St. Louis Acad., vol. 2, 



p. 485. 1868. 



Type locality. — "In the higher mountains of California." 



Range. — Sierra Nevada. 



Zone. — Canadian and Hudsonian. 



