CATALOGUE. 
361 
central one sessile, with an involucre of 3 setaceous leaflets mostly shorter 
than the rays, 3-G" 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 ciliatc, deciduous ; aclienium broadly ovate, subcom- 
pressed, very minutely striate and obscurely reticulate. — Near F. spadicea but 
rough-pubescent throughout, the scales thinner and less rigid, the aclienium 
more turgid and rather smaller, the scales and sheaths less deej)ly colored. 
Found near the Hot Springs in Ruby Valley, Nevada ; 6,000 feet altitude. 
F. qmdicea has been collected in Texas, the Indian Territory, and Colorado, 
(581 Hall & Harbour,) the upper stem and scales sometimes slightly scab- 
rous. (1,216.) 
Carex * NIGEICANS, C. A. Meyer. Spike solitary, oblong, stamiiiate at top; 
stigmas 3, or rarely 2 ; perigynium ovate, stipitate, ventricose, sliiiiin<:, 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., Man. Cyp. 403, (1836,) and in Williamson's Report, Pac. R. R. 
Surv. 6. 92.) — Rocky Mountains of l^ritish America, (258 and 259 Drum- 
mond ;) Colorado, (609 Hall & Harbour, 589 and 589 A., Vasey ;) Cascade 
Mountains, Oregon, (Newberry;) Alaska, according to Rotlirock. Bear 
River Canon, Uintas ; 9,000 feet altitude ; August. (1,217.) 
Carex Pyrenaica, Wald. Spike solitary, densely flowered, staminate 
at top, elliptic, rusty-brown ; stigmas 3, rarely 2 ; perigynium fusiform 
or lanceolate, gradually attenuate, loug-slipilate, nerveless, conijtrrsscd, tri- 
quetrous, shining, at length horizontally spreading or reflexed, rusty-colored, 
the orifice clefl in front with its hyaline margins infolded, longer than 
the acute-lanceolate or ol)tuse-oblong rusty-brownscale ; lowest scale rarely 
subleafy ; achenium unequally tri(pu;trous, Ca.'spito.se ; root fibrous. (C 
nigricans, Torr., Mon. Cyp. 402; Dewey, Sill. Jour. 29. 249, 1836.)— Fort 
Norman (Riehanlson) and Rocky Mountains, (Drunimond;) Colorado, (608 
Hall & Harbour, 590 Vasey.) Rocky divide of the Uintas; 10,000 feet 
'To Col. Stkpiien T. Oi.nky, of Providence, R. I., wo are indt-btiMl for ihv fnllowing thorough 
elalioration of the Cariccs of the collection. 
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