582 CLX. CYPERACEZ. CaREX. 
46. C. CESPITOSA. 
3 Spike single, oblong, cylindric, sometimes 2, with oblong, black scales; 
spike 2—3, cylindric, obtuse, rather thick, remotish, bracteate, lowest one 
Shontetatanenine perig. ovate, obtuse, glabrous, entire at the orifice, scarcely 
rostrate, a little longer than the oblong, obtuse, black glume; s¢. 6—14’ high, 
scabrous on the edge, leafy towards the base; dvs. flat—Wet places, Ipswich, 
Mass., Oakes; N. Y. and Michigan. > 
47. C. strictior. Dew. 
d' Spikes 1—2, with oblong and blackish, acutish glumes; Q spikes 2—3, 
cylindric, g 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; Jus. erect, close; whole plant glaucous except the spikes.— 
Wet places, common. 
48. C. stricta. 
3 Spikes 1—2, cylindric, lower one sessile, and the scale rusty brown and 
obtuse; Q spikes 2—3, long-cylindric, upper half 3’, 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. acora. 
Spikes long and slender; g'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; s¢. acute, triquetrous, lax; the stamens at the summit of the 
pistillate spikes render them acute-—Common. 
B. 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 Schkusr. 
y. sparsiflora. Dew. (Schk. fig. 92, 6.) Q Spikes very long, recurved, very 
sparsely flowered below.—Common. : 
50. C. aquarTitis. Wahl. 
do Spikes 1—4, erect, cylindric, lowest bracteate, the glume oblong, ob- 
tusish; Q 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. crinira. Lam. 
3 Spikes one or more, lax, oblong, sometimes with a few 9 flowers; 2 
spikes about 3, oblong, cylindric, pedicellate, nodding, attenuated below, and 
more loosely flowered, often § at summit; perig. ovate, sub-inflated, short-ros- 
trate, entire at the orifice, glabrous, about } as long as the oblong, obtusish, 
scabrous-awned glume ; s/. 12—24’ high, rough, triquetrous—Common in wet 
places. 
B. gynandra. Dew. (C. gynandra. Schw.) Q Spikes pendulous, thicker in 
the midst; glumes about twice as long as the perigynia. 
52. C. paueacea. Schreb. Schk., fig. 125. 
Q Spikes about 4, long-cylindric, densely-flowered, recurved, with a long, 
reclined peduncle; perig. ovate, suborbicular, obtusish, emarginate at the ori- 
fice, convex both sides ; g/wmes terminated by a long, serrate point more than 
thrice the length of the perigynia; s/. 20—42’ high, recurved, rough-edged, pale 
green.—Common in dry grounds. bas 
