Y62 Oedeb 155.— CTPERACEjE. 



than the ovate, acute or cuspidate glurao ; culm 3 to 8', erect, triquetrous, slender, 

 at length nearly prostrate, with sheathing, leafy bracts; Ivs. radical, broad (7 to 

 10"), 3-veined, pale green. — Shades, N. States. Confounded with No., Ill or 

 113, 8, until described by Carey in SilL Jour, and Gray's Manual. 



115 C. zanthosperma Dew. (B. t. 8G.) i Spike cylindric, short, sessile, with 

 oblong, obtuse glumes; $ spikes 3 to 6, oblong, cyhndric, rather loose-flowered, 

 leafy-bracted, suberect, subremote, the lowest sometimes recurved; perig. ovate, 

 oWong, oiiusish, minutely veined, slightly apioulate, yellow ochre cobr in maturity, 

 twice or thrico longer than (or the lower equaling) the broadly ovate, acute or 

 muorouate glume; culm 10 to 16', erect, smooth, and vifith the lanceolale, sheathing 

 Ivs. at lengtli yellowish. — N. J. to Fla. and Tex. (C. flaccosperma Ed. 1 .) 



116 C blanda Dew. ? SpiJces 2 — i, oblong, cylindric, subsparse-flowered, alter- 

 nate, approximate, bracteate, highest subsessile, the lowest on a long, 2-edged 

 peduncle ; perig. obovate and scarcely attenuate below ; subtriq. nerved, recurved 

 at the apex, entire at the orifice, little longer than the ovate, scabro-mucronats 

 glume; St. 8 — 12', triquetrous, leafy towards the base; Ivs. long as the stem. — 

 Pale green or glaucous. Meadows and dry, open woods, common. (C. conoidea 

 Muhl. nee Sohk., 0. laxiflora /3. Carey, Eoott.) 



117 C retrooiirva Dew. 9 SpHces 2 — t, on long, filiform, recurved peduncles, 

 bracteate, subdense-flowered, short and thick, oblong ; perig. ovate, triqu. nerved, 

 obtusish, equaling the ovate, cuspidate glume; st. 6 — 12' high, prostrate; Ivs. 

 radical and wide. — Glaucous. Open woods, rare. Has been considered C. digit- 

 alis, WiUd., but is different. 



118 C. conoidea Schk. nee Muhl. (B. t. 81.) i Spikes 2 — 3, oblong, or ovate- 

 oblodg, remote, erect, rather dense-flowered, bracteate ; perig. oblong-conic, obtusish^ 

 glabrous, nerved, subdivergin" entire at the mouth, a little longer than the ovate- 

 subulate glume ; st. 8 — 1 2' high ; Ivs. towards the base, shorter than the stem. — 

 Bright green. Moist, upland meadows, common. 



119 C. grisea 'Wahl. (B. t. 85.) $ Spike oblong, slender; 5 spikes 2 to 4 oblong, 

 lax-flowered, few-flowered, erect, remote; perig. ovate, or oblong-ovate, obtusish, 

 glabrous, ventricous, nerved, suhtriquetrous, entire at the mouth, a little longer 

 than tho ovate, scabro-mmronate glume; st. 10 — 18" high, triquetrous, leafy. — 

 Bright to pale green. "Woods, hedges and meadows, common, N. and Mid. States. 

 (C. laxiflora Schk. et Muhl nee Lam.) 



120 C. jundea Willd. i Spike short-cylindric, with oblong, obtuse glumes; s 

 spikes 2, rarely 3, filiform, loose and alternate-flowered, pedunculate, long-seta- 

 ceous-bracted ; perig. lanceolate, slender, suhtriquetrous, longer than the ovate, 

 oUuse, white-edged glume ; culm If or more, slender, longer than the radical, bristle- 

 form leaves ; aspect light green, rush-like. — Roan Mts., N. Car. (C. miser Buckley). 



121 C. digitklis "Willd. (B. t. 92.) S Spikes about 3, loosely 4 — lO-flowered, 

 oblong, distant, lax and recurved, leafy-bracted; perig. ovate, triquetrous, alter- 

 nate nerved, glabrous, short and obtuse, entire at the orifice, longer than the 

 lance-ovate glume; st. 4 — 12', shorter than tho long, linear, decumbent leaves. — 

 Pale green. (0. Caroliniana Buckley.) 



8. Van Vleckii Dew. Smaller ; perig. more remote and smaller. — Open, moist 

 woods, common. Has been mistaken for C. oliooarpa, Schk. & Muhl. 



122 C. eburnea Boott. (t. 184). ? Spikes 2 — 3, erect, 3 — 6-flowered, ovate, 

 with white, leafless sheaths, and the upper higher than the $ spike ; perig. ovate- 

 globous, rostrate, or shghtly obovate, glabrous and brown in maturity, twice 

 longer than the white, ovate, hyaline glume; cm. 4 — 10', erect, with subradical 

 and bristle-form-leaves. — Pale green, common, limestone grounds. S. "W. Vt. to 

 Kan. and southward. 



123 C. 'Washingtoniana Dew. 6 Spike erect, slender, with oblong, obtuse, dark 

 brown glumes; 9 spikes 2 to 4, rarely 6, upper short, sessile, near, lower much 

 longer, loosc-cylindrie, subremote, stalked, loose-flowered, all brown ; perig. ovoid, 

 tapering above, compressed-triquetrous, orifice entire, about equaling or often 

 shorter than the ovate-lanceolate, dark-brown, white-edged glume; culm If or 

 more, triquetrous, smooth, longer than the fat, smooth Ivs. ; light green.— White 

 Mts. N. 11. the most common Carex there, forming a turf with the mosses and 



