40 
CYPERACEZ. 
Cyperacee, or sedges, like rushes, grow in moist places and are commonly taken for 
grasses, The true sedges are abundant in bogs and meadows throughout the Rocky 
Mountain country, in some places making a large part of the early hay. They are 
inferior, however, to some of the grasses, 
Cyperus schweinitzii Torr. : 
Colorado: Meadow Park, rare, here and there on the hillsides, August 15 (2362). 
Scirpus americanus Per 
Nebraska: North Platte, common, September (2522). 
Montana: Townsend, common in a meadow near a pond, July 15 (2153). $ 
Scirpus lacustris L. . 
Montana: Madison River, July 23 (2277); Townsend, common in water, in meadows, E 
July 15 (397, 2148); Logan, common in wet places in meadows, July 27 (521). * 
Scirpus „ Presl. 
a Dillon, common near water, July 2 (2083); Logan, in wet meadows, July 
7 (520); Ma kd i. in wet thiekets, July 17 (429); Townsend, near the Mis- 
souri River, July 15 (2165). 
Scirpus pauciflorus Lightf. 
Colorado: Georgetown, common near water with Eleocharis acicularis, August 17 
(2408). 
Eleocharis acicularis R. & S. 
Colorado: Georgetown, common in wet places, August 17 (2407). ~ 
Montana: Manhattan, dtd: of a dry ditch, July 17 (2206). 
Eleocharis palustris R. & $. 
Nebraska: North Platte, wet meadows along Fremont's Slough, in many places con- 
stituting the bulk of the hay, June 21 
Montana: Manhattan, July 17 (408, 2208) ; Dillon, sandy places near the river, scarce, 
July 2 (2079); Townsend, common in wet places, July 15 (2157). 
cocharis palustris R. & $. (?) 
Wyoming: Green River, meadow near the river, June 25 (2040). 
xA motus MA RN 
Carex acutina Bailey ( ?) 
frs Georgetown, in a “draw” at south end of Clear Lake, August 17 (2377); 
Silver Plume, around springs near brook, August 21 (2463). 
Carex alpina Swartz. 
Colorado: Georgetown, near Clear Lake aud along a brook in the canyon, August 
); Idaho Springs, rare, August 21 (2 
Carex athrostachya Olney. poi 
Wyoming: Green River, in a “draw,” June 25 (2032). 
Montana: Bozeman, common in meadows, July 22 (455, 2216). 
Carex atrata L. 
Colorado: Silver Plume, along brook, common, August 21 (2436, 2461). 
ur SLOPE ͤ T 
ESA 
cc 
aN = 
Montana: Manhattan, dry prairies, common, Jair 17 (2205); Bozeman, near Mystic 
Lake July & 5 5 (220). 
: 'Cyperua, E Eleocharis 3, ind. Scirpus determined by Dr. N. L Britton; Carex determined 
Be Prot L. H. Bailey. 
