590 CLX. CYPERACE. Carex. 
~wmnane 
sile, erect; yerig. oblong, obovate, very obtuse, glabrous, subtriquetrous, entire 
at the orifice, subrostrate, twice longer than the acute glume; st. 12—18' high, 
erect, triquetrous, with subradical and pubescent leaves.—Pale green. N. Y. 
Tuckerman. 
112. C. mmuiacea. Muhl. 
o Spike erect, slender; 9 spikes 2—3, long-cylindric, slender, loose-flowered 
below, nodding; perig. ovate, triquetrous, glabrous, subrostrate, entire at the 
orifice, longer than the oblong, emarginate or obcordate, awned glume; sé. 
12—24' high, slender, scabrous ; dvs. linear-lanceolate—Yellowish-green. Wet 
meadows; common. 
113. C. Limésa. 
Spikes 1—3, ovate or oblong, long-pedunculate, subloose-flowered, 
smoothish, pendulous; perig. elliptic, compressed, very short-rostrate, entire at 
the orifice, about equal to the oblong and obtuse, or ovate, cuspidate glume; sé. 
8—16' high, ascending, obtusely triquetrous, with subradical, flat and narrow 
leaves.—Glaucous green. Marshes; common. 
114. C. RarirLora. Smith. (C. limosa. @. rariflora. Wahi. 
Q Spikes about 2, linear, quite loose-flowered, long-pedunculate, nodding ; 
perig. ovate-oblong, triquetrous, depressed, equaling the ovate, subcircinate, 
brown glume; s¢. 10’ high.—Glaucous. White Mountains, N. H., Barratt. 
115. C. mricua. Smith. (C. limosa. @. irrigua. Wohl.) 
Q Spikes 2—3, ovate-oblong, thickish, nodding; perig. roundish-ovate, 
short-rostrate, subcompressed, shorter than the ovate-lanceolate, red-brown 
glume; st. near a foot high, longer than the flat, subrecurved leaves; glau- 
cous.—( Spike rarely Q at the summit, or 9 spikes with stamens at the base. 
Marsh. Bridgewater, N. Y., Gray; also in marshes in Mass, and Mich., 
Cooley. Rare. 
116. C. nystericina. Willd. 
3’ Spike rarely pistillate at the summit; 9 spikes 24, oblong, cylindric, 
attenuate, subdistant, long-bracteate, nodding, rarely sheathed; perig. ovate, 
inflated, subtriquetrous, nerved, bifid, glabrous, twice longer than the oblong, 
emarginate, submucronate glume; st. 12—24’ high, scabrous above, with long, 
linear-lanceolate leaves.—Yellowish green. Wet places; very common. 
117. C. Psreupo-cypPeErus. 
o Spike cylindric and elongated; Q spikes 3—4, cylindric, long-peduncu- 
late, rather remote, recurved-pendulous, with long and leafy bracts; perig. 
ovate, lanceolate, bidentate, reflexed, and a little shorter than the ovate-Jance- 
olate or setaceous glume.—Common about ponds and ditches. It is smaller in 
all its parts than C. comosa, Boott; and, besides, the fruit of the latter is 
deeply and widely bifurcate, and its glume is hispid or ciliate. The two have 
been confounded in our country, though long known. 
118. C. comosa. (C. furcata. Ell. C. Pseudo-cyperus. 1st edit.) 
3 Spike long and slender, rarely pistillate above; Q spikes 2—5, long- 
cylindric, pendulous, thick, dense-flowered, with very long and leafy bracts ; 
perig. ovate-lanceolate, acuminate, rostrate, 2-forked, reflexed, triquetrous, gla- 
brous, generally longer than the lanceolate, mucronate, setaceous glume; st. 
18—30' high, large, rough, with long and wide, rough leaves and bracts.—Plant 
very glabrous and yellowish-green. Wet places about ponds and ditches; 
common. 
119. C. Cooteyi. Dew. 
3 Spike short and small, with oblong-lancelate glumes; © spikes 2—4, 
cylindric, oblong, or ovate and short, rather dense-flowered, wpper sessile, lower 
on very long, recurved peduncles; perig. ovate-rostrate or oblong-lanceolate, 
bifureate, nerved, about equal to the ovate, awned, scabrous glume; sé. filiform 
and scabrous, subrostrate, a foot or more high, much shorter than the subradi- 
cal, narrow leaves.—Light green. Marsh in Macomb Co., Mich., Cooley. 
120. C. scaprata. Schw. 
Q Spikes 3—6, cylindric, subrecurved, remotish, long-pedunculate ; perig. 
ovate-oblong, subinflated, subbifid, rostrate, quite scabrous, longer than the 
