374 ORDER 154 CYPERACE^. 



60 C. vulgkrls Fries. $ Spikes cylindric, 12', $ cylind.-oblong, 1', $ at top ; gib 



black, ovate, obtuse, shorter than the oval, obtuse perig. ; culm slender. 6 14' ; Iva. 

 flat, bract equaling the culm. Wet, N. Eng., W. and N. (C. caespitosa C-B.) 



61 C. stricta Lam. Spk. cylindric, 1| 2', erect; glumes lanceolate, acutish, striped, 

 some longer than the ovate-acute perigynia. 2f. Bogs ; common. 



ft. strictior. Glumes, especially the upper, a little shorter than the perigynia. 



62 C. xerocarpa S. H. Wright. Differs from C. stricta in its extremely render 

 habit ; Ivs. rolled and rush-like ; 6 spk. almost filiform ; gl. shorter than perig. N. Y. 



63 C. aperta Boott. Spk. cylindric, erect, 1215" ; perig. brown, round-ovate, 

 shorter than the lance-acuminate glume ; culm 1 2f, rough-edged above ; Ivs. chan- 

 neled, bracts leafy. Wet meadows, N. Eng., W. and N. 



64 C. aquatilis Wahl. Spk. 23', dense, erect, acute, subclavate, the 3 2 or 3, 

 ? 35, with bracts exceeding the culm ; gl. lanceolate, usually longer than the 

 roundish, nerveless, reddish, apiculate perigynia. 2 3f. Shores, N. 



65 C. crinita Lam. Spk. pedunculate, long (2 40, nodding, $ mostly but 1, ? about 

 4 ; perig. round-ovate, apiculate, glume with its long serrulate awn thrice longer all 

 light brown. Wet meadows : common. 2 3f. Leafy. 



/3. g-ynnndta. Spk. shorter (12'), ? about 3, perig. inflated, awns spreading, &c. 



66 C. maritima Vahl. Spk. 12' long, pendulous or spreading, on peduncles, the 

 9 35; perig. orbicular, much shorter than the long-awned green glume; culm 

 10 20', erect, with broad, flat, smooth leaves. Salt marshes, Mass., andN. 



67 C. salina Wahl. Spk. cylindric, erect on included stalks, the ? 2 4; bracts 

 long; perig. elliptical, apiculate, little shorter than the drk-brown, short-awned 

 glume ; culm 8 16', rough above. Salt marshes, Mass., and N. 



S S 



68 C. pedunculata Muhl. Spk. 3 7, remote, on filiform stalks ; perig. obovate, 

 triquetrous, recurved at tip, few. equaling the brown, oblong, obovate glume. Culm 

 4 12'. leaves longer, glabrous. Woods. Flowers in early spring. 



69 C. Baltzellii Chapm. Spk. cylindric, 12'. ? 1 4, $ at top, on long cauline or 

 snbradical peduncles : perig. and gl. oblong-obovate, subequal, the perig. veiny and 

 puberulent. Culm 10', leaves flat, thrice longer. Florida. 



70 C. squarrosa L. Spk. 24, cyliudric-oblong, thick (!' by 6"), straw-color, 

 stalked, squarrous with the long beaks of the globons perig. which conceal the short 

 glume?. Wet places : common. Large ind fine, spike showy. 



71 C. Tirescens Muhl. Spk. 2 4, erect, 6 12"; perig. ovate, pubescent, ribbed, 

 longer than the ovate pointed glume or about equal to it. Culm slender, 1 2f, bracts 

 exceeding the culm. Whole plant pubescent and light erreen. Copses. 



72 C. hirsiita Willd. Spk. oval-oblong. 49", erect, near, dense; periir. ovoid-tri- 

 quetrous, downy, at length only scabrous, longer than the glumes. Culm 1 2f, 

 bracts exceeding it, all pubescent or scabrous. Upland Meadows. (C. Triceps MX.) 



73 C. Smitliii Porter. Spikelets 3, oval and oblong, near; perig. globular; achenia 

 broadly obovate with reflexed styles ; culm slender ; whole plant glabrous, bright 

 green, 2f. Del. Co., Penn. (A. H. Smith.) Also in N. J. (See Olney's Carices Am.) 



74 C. festival is Curtis. Spk. 35, slender, 12', loose, suberect on short sta.ks; 

 perig. elliptic, pointed both ways, longer than the glume. Tufts 1624' high, witb 

 flat downy leaves, and bracts exceeding the culm. Mts.. Mass, to N. Car. 



75 C. Sliortiana Dew. Spk. 4 or 5, cylindric, dense, 1', erect on naked stalks, 

 tawny in maturity; perig. round-obovate, scarce longer than the ovate glume. Erect, 

 12 30'. leafy, smooth, handsome. Wet grounds, Penn. to 111., and S. 



76 C. oxylepis Torr. Spk. 3 6, cylindric, 12', erect on naked ped. ; perig. oblong, 

 pointed both ways, little longer than the cuspidate white-edged glume. Fla. to La. 



77 C. Buxbaumll Wahl. Spk. 4, ovoid, sessile, near; lower bract equaling the 

 culm ; perig. elliptic, nerveless, rounded on the back, shorter than the pointed black- 

 banded glume. Culm 1018'. Common in wet places. 



