588 CLX. CYPERACE^E. CAREX. 



92. C. HITCHCOCKIANA. Dew. 



tf Spike erect, pedunculate ; 9 spikes^ 3, erect, few-flowered, lowest dis- 

 tant ; perig. oval-triquetrous, tapering at both ends, inflated, alternate, bent at 

 the apex, striate, with a short, truncated and open beak, about equaling or 

 shorter than the oblong or ovate, mucronate glume; st. 10 24' high, erect, stiff, 

 scabrous above, with long and leafy bracts ; s9. Ivs. and bracts scabrous and sub- 

 pubescent. Borders of woods. Cannot be the C.oligocarpa figured by Schkuhr. 



93. C. LAXIFLORA. Lam. 



J* Spike oblong, slender ; 9 spike 2 4, oblong, lax-flowered, few-flowered, 

 erect, remote ; perig. ovate or oblong-ovate, obtusish, glabrous, ventricose, 

 nerved, subtriquetrous, entire at the mouth, a little longer than the ovate, scabro- 

 mucronate glume ; st. 10 18' high, triquetrous, leafy. Bright to pale green. 

 Woods, hedges and meadows, common. 



94. C. GRANULARIS. Mllhl. 



9 Spikes 2 1, cylindric, oblong, dense-flowered, suberect ; perig. round- 

 ish-ovate, nerved, very short-beaked and recurved, entire at the orifice, nearly 

 twice as long as the ovate-acuminate glume ; st. 8 16' high, erect or subdecum- 

 bent, smooth, leafy. Glaucous green except the mature, yellow spikes. Moist 

 soils in meadows and hedges, along brooks, abundant. 



95. C. PANICEA. 



9 Spikes 2 3, loose-flowered, remotish, lowest long-pedunculate ; perig. 

 subglobose, obtuse, entire at the mouth, a little greater than the ovate, subacute 

 glume; st. a foot high, triquetrous, leafy at the base; Ivs. shorter than the stem. 

 Light green. Near Boston, Pickering. 



96. C. BINERVIS. Smith. 



9 Spikes 3, oblong, cylindric, subdense-flowered ; perig. ovate, round, 

 short-rostrate, bicuspidate, smooth, binerved, twice longer than the ovate, sub- 

 acute glume ; st. a foot high or more, triquetrous, leafy towards the base. 

 Pale green. Near Boston, B. D. Greene. 



97. C. GREENIANA. Dew. 



tf Spike one and erect, sometimes 2 ; 9 spikes 2 3, oblong, bracteate, 

 pedunculate ; perig. ovate-lanceolate, triquetrous, nerved, rostrate, bifurcate, 

 subdense-flowered, about equal to the ovate, cuspidate glume ; st. 1 2f high, 

 scabrous above, leafy towards the base. Light green. Resembles C. fulva^ 

 Good, but differs in its fruit and glume. Near Boston, B. D. Greene. Rare. 



98. C. GRAYANA. Dew. 



J* Spike oblong; 9 spikes 2 3, oblong-cylindric, subloose-flowered ; perig 

 ovate-oblong, subtriquetrous, subinflated, obtuse or acutish, entire at the orifice, 

 longer than the obtuse, oblong glume; st. 6 16' high, erect, triquetrous, striate, 

 with leaves about its own length. Glaucous green. Sphagnous swamp, near 

 Utica, N. Y., Gray ; cedar swamp, N. J., Torrey. Has been supposed to be 

 C. livida, WahL, from which it differs in sereral respects. 



99. C. HALSEYANA. Dew. 



J* Spike oblong, erect, sessile, often 2, approximate ; 9 spikes 1 2, oblong- 

 cylindric, erect, loose-flowered, sometimes J 1 a'bove; perig. ovate, short-rostrate, 

 subtriquetrous, inflated, glabrous, oblique at the orifice, a little longer than the 

 ovate, subacute glume; st. 1 2f high, acutely triquetrous; Ivs. linear-lanceo- 

 late, shorter towards the base. Dark green. Upland meadows, Westfield, Ms., 

 Davis; plains of N. J., Kneiskern. 



100. C. CAPILLARIS. 



J 1 Spike small ; 9 spikes 2 3, ovate, oblong, about G-flowered, loose- 

 flowered, long and recurved pedunculate ; perig. oval, short-rostrate, oblong, 

 oblique at 'the orifice, longer than the oblong, ovate, obtuse glume; st. 2 7' 

 high, leafy at the base ; Ivs. narrow, long. Grows in tufts. Pale green. Alpine 

 regions of the White Mts., Robbins. 



101. C. EBURNEA. Boott. (C. alba. /?. setifolia. Dew.} 



9 Spikes 2 3, erect, 3 G-flowered, ovate, with white, leafless sheaths, 

 and the upper higher than the $ spike ; perig. ovate-globose, rostrate or slightly 

 obovate, glabrous and brown in maturity, twice longer than the white, ovate, 



