588 CLX. CYPERACE.E. CAREX. 



92. C. HITCHCOCKIANA. Dew. 



g 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 ; st. Ivs. and bracts scabrous and sub- 

 pubescent. Borders of woods. Can-not be the C. oligocarpa figured by Schkuhr. 



93. C. LAXIFLORA. Lam. 



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

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

 nerved, sub triquetrous, 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 4, 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, D. D. Greene. 



97. C. GREENIANA. Dew. 



(^ 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. 



$ 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., Torrcy. Has been supposed to be 

 C. livida, Wakl., from which it differs in several respects. 



99. C. HALSEYANA. Dew. 



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

 cylindric, erect, loose-flowered, sometimes $ above ; 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* Spike small ; 9 spikes 23, ovate, oblong, about 6-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. 0. setifolia. Dew.') 



9 Spikes 2 3, erect, 3 6-flowered, ovate, with white, leafless sheaths, 

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

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



