CATALOGUE. 301 



central one sessile, with an involucre of 3 setaceous leaflets mostly shorter 

 than the rays, 3-6" long, ovate or ovate-oblong, the scales rather thin, 

 light chestnut-color, pubescent, rather obtuse or acutish, mucronate ; stamens 

 3 ; style 2-cleft, flat and ciliate, deciduous ; achenium broadly ovate, subcom- 

 pressed, very minutely striate and obscurely reticulate. — Near F. siiodicea but 

 rough-pubescent throughout, the scales thinner and less rigid, the achenium 

 more turgid and rather smaller, the scales and sheaths less deeply colored. 

 Found near the Hot Springs in Ruby Valley, Nevada ; 6,000 feet altitude. 

 F. spadicea has been collected in Texas, the Indian Territory, and Colorado, 

 (581 Hall & Harbour,) the upper stem and scales sometimes slightly scab- 

 rous. (1,216.) 



Caeex ^ NIGRICANS, C. A. Meyer. Spike solitary, oblong, staminate at top; 

 stigmas 3, or rarely 2 ; perigynium ovate, stipitate, ventricose, shining, grad- 

 ually attenuated into a beak, sometimes few-toothed, nerveless, spreading or 

 at length reflexed, rusty-colored, with an entire obliquely-cut mouth, about 

 equaling the dark-brown oblong obtuse scale ; the lowest scale rarely sub- 

 leafy ; achenium unequally 3-sided. Root creeping ; culms 6-12' high. 

 (C rupestris, Dewey, Coll., in part. C. Backana, Dewey, in part. C. Pyre- 

 naica, Torr., Mon. Cyp. 403, (1836,) and in Williamson's Report, Pac. R. R. 

 8urv. 6. 92.) — Rocky Mountains of British America, (258 and 259 Drum- 

 mond ;) Colorado, (609 Hall & Harbour, 589 and 589 A., Vasey ;) Cascade 

 Mountains, Oregon, (Newberry;) Alaska, according to Rothrock. Bear 

 River Canon, Uintas ; 9,000 feet altitude ; August. (1,217.) 



Caeex Pyrenaica, Wahl. Spike solitary, densely flowered, staminate 

 at top, elliptic, rusty-brown ; stigmas 3, rarely 2 ; perigynium fusiform 

 or lanceolate, gradually attenuate, long-stipitate, nerveless, compressed, tri- 

 quetrous, shining, at length horizontally spreading or reflexed, rusty-colored, 

 the orifice cleft in front with its hyaline margins infolded, longer than 

 the acute-lanceolate or obtuse-oblong rusty-brownscale ; lowest scale rarely 

 subleafy ; achenium unequally triquetrous. Csespitose ; root fibrous. (C. 

 nigricans, Torr., Mon. Cyp. 402 ; Dewey, Sill. Jour. 29. 249, 1836.)— Fort 

 Norman (Richardson) and Rocky Mountains, (Drummond ;) Colorado, (608 

 Hall & Harbour, 590 Vasey.) Rocky divide of the Uintas ; 10,000 feet 



1 To Col. Stephen T. Olney, of Providence, E. I., we are indebted for the following thorough 

 elaboration of the Caiices of the collection, 

 46 



