1921] Smiley: Flora of the Sierra Nevada of California 107 



17. BROMUS 



Spikelet terete; panicle strict and rather dense 1. B. Suksdorfii 



Spikelet strongly compressed; panicle spreading. 2. B. marginatus var. seminudus 



1. Bromus Suksdorfii Vasey, Bot. Gaz., vol. 10, p. 223. 1885. 

 Type locality. — "In Washington Territory, and also by Mr. 



Cusick in Oregon; altitude about 7,000 ft." 



Range. — Washington to the southern Sierra Nevada. 



Zone. — Canadian. 



Specimens examined. — Near Silver Mountain trail, 8-9,000 feet, 



Brewer 2088 ; Calaveras County, Hillebrand 2258 ; above Dormer Lake 



toward Donner Pass, Heller 7120. 



2. Bromus marginatus var. seminudus Shear, U. S. Dept. Agr., 



Div. Agrost. Bull. 23, p. 55. 1900. 



Type locality. — "On open mountain side 5 miles above Wallowa 

 Lake, Oregon." 



Range. — Washington to southern California, east to Montana and 

 Wyoming. 



Zone. — Transition and Canadian. 



Specimens examined. — Kaweah meadows, Tulare County, 9,400 

 feet, Purpus 5124. 



11. CYPERACEAE (Sedge Family) 



Flowers perfect. 



The enlarged base of the style persisting upon the mature achene 



1. Eleocharis 



The style deciduous entire from the mature achene. 



Bristles few (not more than 6 in ours) 2. Scirpus 



Bristles very numerous, long, white-silky 3. Erlophorum 



Flowers unisexual 4. Carex 



1. ELEOCHARIS 



Culms setaceous, from very slender rootstocks; scales of the spike acute. 



1. E. acicularis 



Culms stouter, from larger rootstocks; scales of the spike obtuse. 



2. E. Bolanderi 



1. Eleocharis acicularis K. and S., Syst., vol. 2, p. 154. 1817. 



Scripus acicularis L., Sp. PI., p. 48. 1753. 



Type locality. — European. 

 Range. — North temperate zone. 



Zone. — Transition mainly, rising into the Canadian. 

 Specimens examined. — Yosemite, Torrey 553; Milburn, Mariposa 

 County, Congdon, June 8, 1890. 



