374 ORDER 154. CYPERACE^E. 



60 C. vnlgikris Fries, s Spikes cylindric, 12', 9 cylind. -oblong, 1', t at top ; #& 

 black, ovaic, obtuse, shorter than the oval, obtuse perig.; culm slender, 614'; IVB 

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



61 C. strlcta Lam. Spk. cylindric, U 2', erect; glumes lanceolate, acutish, striped, 

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



/3. strifttor. Glumes, especially the upper, a little shorter than the perigynia. 



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

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



63 C. aperta Boott. Spk cyliudric, 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. Bug., W. and N. 



61 . aqiuitili* Wahl. Spk. 2 3', dense, erect, acute, subclavate, the ^ 2 or 3, 

 ? 3 5, with bracts exceeding the culm; gl. lanceolate, usually longer than the 

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



65 C. criiiita Lam. Spk. pedunculate, long (2 40. nodding, ,5 mostly but 1, 9 about 

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

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



ft. gynandi a. Spk. shorter (12'), 9 about 3. perig. inflated, awns spreading, &c. 



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

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

 1020'. erect, with broad, flat, smooth leaves. Salt marches. Mass., and N. 



67 C. salina Wahl. Spk. cylindric, erect on included staiks, the 9 24; bracts 

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

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



O8 <'. pedunculata Mnhl. Spk. 37, 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. Baltzellli Chapm. Spk. cylindric, 1 2'. $ 14, t at top, on long cauline 01 

 subradical peduncles; perig. and gl. oblong-obovate. subequtil. the perig. veiny and 

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



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

 stalked, sqvarroits with the long beaks of the globous perig. which conceal the short 

 glume*. Wet places : common. Large and fine, spike showy. 



71 C. vtrescens Muhl. Spk. 24, erect. 612": 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 liirht ereen. Copses. 



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

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

 bracts exceed.ug it, all puDe^cem 01 scabrous. Upland Meadows. (C. Triceps MX.) 



73 C. Smitlili Porter. Spikelets 3, oval and oblong, near; perig. globular; athei,m 

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

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



14 C. festival is Curtis. Spk. 35. slender. 12', loose, suberect on short ettLke; 



perig. elliptic, pointed both ways, longer than the glume. Tufts 16 24' high, with 



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

 75 . Sliortlana Dew. Spk. 4 or 5. cylindric. dense. 1'. erect on naked gtalke, 



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



1280'. leafy, smooth, handsome. Wet grounds, Penn. to 111., and S. 

 7G O. oxjf lepis Torr. Spk. 3 6, cylindric, 1 2', erect on naked ped. ; perig. obiong, 



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

 17 C. Bnxbaumll 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 10 18'. Common in wet places. 



