588 CLX. CYPERACEiE. Carex. 



92. C. HiTCHcocKiAXA. Dew. 



^ Spike erect, pedunculate ; 9 spikes2 — 3, erect, few-flowered, lowest dis- 

 tant ; pcrig. 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 ; 5/. 10 — 24' high, erect, stiflf, 

 scabrous above, with long and leafy bracts ; st. lis. and bracls scabrous and sub- 

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



93. C. LAXiFLoRA. Lam. 



cf Spike oblong, slender ; 9 ^i^^'^^'c 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. Muhl. 



9 Spikes 2 — 4, cylindric, oblong, dense-flowered, suberect ; pcrig. 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 ; 5^. a foot high, triquetrous, leafy at the base ; hs. shorter than the stem. 

 — Light green. Near Boston, Pickering. 



96. C. BixERVis. Smith. 



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

 short-rostrate, bicuspidate, smooth, binerved, twice longer thaii 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. Greexiana. 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; 5/. 1 — 2f high, 

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

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



98. C. Grayana. Dew. 



(^ Spike oblong ; 9 spikes 2 — 3, oblong-cylindi'ic, 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, Wahl., from which it differs in several respects. 



99. C. Halseyana. Dew. 



(^ Spike oblong, erect, sessile, often 2, approximate ; 9 spikes 1 — 2, oblong- 

 cylindric, erect, loose-flowered, sometimes J^ above ; perig. ovate, short-rostrate, 

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

 ovate, subacute glume; 5^. 1 — 2f high, acutely triquetrous; Ivs. linear-lanceo- 

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

 Davis; plains of N. J., Knciskern. 



100. C. CAPIIX.\RIS. 



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

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

 oblique at the orifice, longer than the oblong, ovate, obtuse glume; st. 2 — 1' 

 high, leafvat thoba.se ; Ivs. narrow, long. — Grows in tufi:s. 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 J^ .spike ; pcrig. ovatc-globosc, rostrate or slightly 

 obovate, glabrous and brown in matiu-ity, twice longer than the white, ovate, 



