K!8 CLX. CYPERACEiE. Carex, 



92. C. HiTCHCocKiANA. Dcw. 



(^ 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 fong and leafy bracts ; st. Ivs. and brads scabrous and sub- 

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



93. C. LAXiFLORA. Lam. 



(^ Spike oblong, slender ; 9 spike 2 — i, 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 ; si. 10—18' high, triquetrous, leafy.— Bright to pale green. 

 Woods, hedges and meadows, common. 



94. C GRANULARIS. Muhl. 



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, erector 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 ; si. a foot high or more, triquetrous, leafy towards the base.— 

 Pale green. Near Boston, B. 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 higli, 

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

 Good, but diflfers 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 ; peng, 

 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., Torreij. Has been supposed to be 

 C. livida, Wahl., from which it diners in several Tespects. 



99. C. Halseyana. Dew. 



(^ 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. 



^ Spike small ; 9 spikes 2 — 3, ovate, oblong, about 6-flowered, loose- 

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

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

 high, leafy at the base; Irs. narrow, long. — Grows in tufl;s. Pale green. Alpine 

 regions of the White Mts., RobLins. 



101. C. EBURNEA. Boott. (C. alba. /?. setifolia. Dew.') 



9 Spikes 2 — 3, erect, 3 — 6-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, 



