372 BOTAIfTT. 



the margin, at first greenish, becoming rusty-brown, whitish at base, longer 

 than the ovate acuminate mucronate scale ; achenium oval, stipitate. Root 

 stoloniferous, creeping ; culm 8-2° high, leafy at base ; culm-leaves short, 

 with turgid sheaths. — In the Wahsatch, Utah, (1,255,) and also doubtfully in 

 the East Humboldt and Clover Mountains, Nevada ; 9-10,000 feet altitude ; 

 August, September. (1,256.) 



Caeex Raynoldsh, Dewey, 1861. {C.Lyallii, Boott. Illust. 161, 1867.) 

 Spike oblong, yellowish-purple, with 4-5 oblong spikes, the upper 3 con- 

 tiguous, the lower pedunculate and remote, the terminal one staminate, sessile, 

 the rest pistillate with a few staminate flowers at the top ; bracts leafy, the 

 lower one long, the next equal to the spikelet, not sheathing ; stigmas 3 ; 

 perigynium obovate or ovate, ventricose, abruptly rostrate, the orifice entire 

 or emarginate, yellowish with the beak purple, equally nerved, smooth, 

 divergent, coriaceous, wider and longer than the blackish-purple ovate- 

 lanceolate more or less sharply pointed scale ; achenium ovate, triquetrous. — 

 Nebraska, Henry's Fork, at 5,000 feet altitude, (Hayden, June 1860 ;) 

 Washington Territory, Cascade Mountains, (Lyall, August 1860 ;) California, 

 10-12,000 feet altitude, (1793, 1803, 1863 and 1968 Brewer; Bolander.) 

 In the Wahsatch and Uintas ; 8,500-10,000 feet altitude ; July. (1,257.) 



Carex GtEYEEI, Boott. (C. phyllostachya, Dew., in Bot. Mex. Bound., 

 not of Meyer.) Spike simple, androgynous, the top cylindric and staminate, 

 pale or at length bright-rusty, with 1—5 pistillate flowers at the base, remote 

 and erect with the rachis ; stigmas 3 ; perigynium oval-trigonous, produced 

 at base, short-beaked, entire at the orifice, whitish-hyaline, membranous, 

 smooth, with two prominent nerves, shorter than the broad ovate obtuse or 

 acute sheathing cuspidate or foliaceous scale, which is whitish with a green 

 nerve. — California, Yosemite Valley, 7,000 feet altitude, (1635 and 3903 

 Brewer, 544 Torrey,) and Ukiah, (1826 Bolander ;) Colorado, (598 Vasey.) 

 In the Wahsatch on a dry wooded ridge near Salt Lake City ; 5,000 feet 

 altitude; May. (1,258.) 



Caeex concinna. Brown. Spikelets 3-4, rarely 5, small, few-flowered, 

 for the most part crowded or approximate, the terminal one staminate, small, 

 oblong, subsessile, rarely pistillate at the top or throughout, the rest all 

 pistillate, oval, densely flowered, the lower inserted or briefly pedunculate, 

 erect, often compound at base ; sheaths short-cuspidate, or the lowest longer 

 and leafy-subulate ; stigmas 3, smooth ; perigynium triquetrous, oval, atten- 



