583 CLX. CYPERACE^. Carex. 



46. C. casspiTosA. 



^ Spike single, oblong, cylindric, sometimes 2, Avith oblong, black scales; 

 O spike 2 — 3, cylindric, obtuse, rather thick, remotish, bracteate, lowest one 

 short-pedunculate ; perig. ovate, obtuse, glabrous, entire at the oriiice, scarcely 

 rostrate, a little longer than the oblong, obtuse, black glume; st. 6 — 14' high, 

 scabrous on the edge, leafy towards the base; Ivs. flat. — Wet places, Ipswich, 

 iVIass., Oakes; N. Y. and Michigan. 



47. C. sTRicTioR. Dew. 



cf Spikes 1 — 2, with oblong and blackish, acutish glumes; 9 spikes 2 — 3, 

 cylindric, J* above, and hence acutish, lowest short-pedunculate ; perig. ovate, 

 compressed, acute, glabrous, entire at the orifice, early falling off, glabrous, a 

 little longer than the oblong and acute glume; st. a foot and more high, trique- 

 trous and rough on the angles, with reticulated filaments connecting the leaves 

 towards the base ; Ivs. erect, close ; whole plant glaucous except the spikes. — 

 Wet places, common. 



48. C. STRICTA. 



J* Spikes 1 — 2, cylindric, lower one sessile, and the scale rusty brown and 

 obtuse ; 9 spikes 2 — 3, long-cylindric, upper half (j^, lower longer, short-peduncu- 

 late, loosely-flowered below ; perig. ovate-acuminate or elliptic, compressed, at 

 the orifice entire or slightly emarginate and its glume strongly ferruginous, the 

 lower ones acute-lanceolate, the upper linear and obtuse, commonly longer and 

 narrower than the perigynia ; st. 2f high, with reticulated filaments connecting 

 the leaves, Boott. — Wet places, as bogs, common. 



49. C. AciJTA. 



Spikes long and slender ; (^ 2 — 3 ; 9 3 — 4, long, slender, cylindric, short- 

 pedunculate, nodding towards maturity, remotish, bracteate ; perig. oval or ob- 

 long, obtuse, orifice protended, or very short-rostrate, about equaling the oblong, 

 acute glume ; st. acute, triquetrous, lax ; the stamens at the summit of the 

 pistillate spikes render them acute. — Common. 



/?. erecta. Dew. (Schk. fig. 85, c.) Spikes shorter, 2 of each; 9 nearly erect, 

 oblong, close-flowered ; perig. shorter than the ovate-lanceolate glume. — Evi- 

 dently misplaced by Schkukr. 



y. sparsijiora. Dew. (Schk. fig. 92, b.) 9 Spikes very long, recurved, very 

 sparsely flowered below. — Common. 



50. C. AQtJATiLis. Wahl. 



J* Spikes 1 — 4, erect, cylindric, lowest bracteate, the glume oblong, ob- 

 tusish ; 9 spikes often 3, cylindric, thick and thickened above, 1 — 2' long, sub- 

 erect, short-pedunculate, densely-flowered ; perig. elliptic, lenticular, rather 

 small, entire, glabrous, protruded at the orifice, about equal to the ovate, 

 acutish glume ; st. 20 — 30' high, rather obtuse-angled and scarcely scabrous. — 

 In marshes and wet places, common. 



51. C. CRiNiTA. Lam. 



(f Spikes one or more, lax, oblong, sometimes with a few 9 flowers ; 9 

 spikes about 3, oblong, cylindric, pedicellate, nodding, attenuated below, and 

 more loosely flowered, often J^ at summit ; perig. ovate, sub-inflated, short-ros- 

 trate, entire at the orifice, glabrous, about ^ as" long as the oblong, obtusish, 

 scabrous-awned glume ; st. 12—24' high, rough, triquetrous. — Common in wet 

 places. 



/?. gynandra. Dew. (C. gynandra. Schw.) 9 Spikes pendulous, thicker in 

 the midst ; glumes about twice as long as the perigynia. 



52. C. PALEACEA. Schreb. Schk., fig. 125. 



9 Spikes about 4, long-cylindric, densel3^-flowered, recurved, with a long, 

 reclined peduncle; perig. ovate, suborbicular, obtusish, emarginate at the ori- 

 fice, convex both sides ; glumes terminated by a long, serrate point more than 

 thrice the length of the perigynia ; st. 20—42' high, recurved, rough-edged, pale 

 green.— Common in dry grounds. & > f 



