592 CLX. CYPERACEZ. CarRpx. 
the ovate-lanceolate, awned glume; st. 12—24’ high, erp pa below, with 
flat, linear-lanceolate leaves and bracts.—Glabrous and yellowish-green. Wet 
places and marshes. Common. ; 
129. C. ritirormis. Gooden. ms 
& Spikes 2—3, with oblong glumes; 9 spikes 2—3, ovate, oblong, short- 
cylindric, close-flowered, remotish, erect; perig. ovate, villose, short-rostrate, 
bifurcate, about equaling the ovate, acute glume; st. 20—30’ high, erect, slen- 
der stiff, with convolute leaves and bracts.—Pale green. Marshes. Common, 
130. C. tacustris. Willd. 
3 Spikes 3—4, erect, sessile; Q spikes 2—3, erect, oblong, cylindric, 
short-pedunculate; perig. ovate-oblong, tapering or lanceolate, bifurcate, gla- 
brous, a little longer than the oblong, mucronate glume; st. 2—3f high, sca- 
brous above, erect and large, with long and large leaves and bracts.—Light 
green. Marshes. Common. 
131. C. riparia. Gooden. + 
3 Spike 3—5, oblong, thick, erect, sessile; Q spikes 2—3, erect, oblong, 
often long-cylindric;- perig. ovate-elliptic, contracted into a short, bifurcate 
beak, glabrous, about equaling or shorter than the ovate, mucronate, or oblong- 
lanceolate glume; st. 2—3f high, scabrous above, leafy below.—Bright green. 
132. C. oticosPperMA. Michx. (Oakesiana.. Dew.) ‘ 
do Spikes several, sometimes one, erect, slender, long-cylindric, with 
an oblong obtusish glume; Q spikes 1—3, ovate, globular, sessile, distant; 
perig. few, ovate, inflated, acute, nerved, short-rostrate, entire at the orifice, 
glabrous, a little longer than the ovate-lanceolate glume; st. 1—2f high, sca- 
brous above, leafy below; Jvs. involute and rush-like.—Light green. About 
the lakes of N. Eng. and N. Y. Abundant in the marshes of Micu. 9 
133. C. VESICARIA. 
o Spikes about 3, erect, oblong; Q spikes 2—3, cylindric, erect, dense- 
flowered, alternate, long-bracteate; perig. ovate, oblong-conie, terete, inflated, 
rostrate, nerved, diverging, glabrous, bicuspidate, nearly twice longer than the 
oblong-lanceolate glume; st. about 2f high, shorter than the leaves.—Bright 
green. Marshes. Not common. - 
B. utriculata. Dew. (C. utriculata. Boott.) Perig. oblong-elliptic, nerved, 
cylindric-rostrate, bicuspidate, more or less longer than the lanceolate, sca- 
brous-awned glume.—Marshes, with the other. 
134. C. aMPULLACEA. Gooden. on 
3 Spikes 2—4, oblong, cylindric, erect; Q spikes 2—3, long-cylindric, 
erect, close-flowered, short-pedunculate, sometimes ¢ above; perzig. subglobose, 
inflated, diverging, nerved, glabrous, setaceous, rostrate, bifurcate; little longer 
than the lanceolate glume; st. 2—3f high, obtusely triquetrous, leafy —Light 
green. Marshes. Common. . 
135. C. MoniLE. Tuckerman. 
3 Spikes 2—4, long, slender, cylindric, with a long, lanceolate glume; 9Q 
spikes 2, long, cylindric, short-pedunculate, subloose-flowered, erect; perig. 
ovate, long-conic, subtriquetrous, inflated, rostrate, bicuspidate, more than 
twice longer than the oblong-lanceolate glume; st. 15—30’ high, erect, with 
long leaves and bracts.—Bright green. Marshes. Not common. More loose- 
flowered and fruit longer than that of C. visicaria. L. 
136. C. sutiata. Schk. 
o Spikes 3, erect, slender, cylindric, with oblong-lanceolate glumes; © 
spikes 2—3, rather long, cylindric, nearly erect; perig. ovoid-globose, inflated, 
glabrous, costate, with a Jong, scabrous beak, bifurcate, longer than the lance- 
olate glume ; st. 20—30’ high, rather slender, triquetrous, scabrous above, leafy 
and shorter than the leaves.—Glabrous, light green. In wet meadows. Com- 
mon. 
137. C. Tuckermini. Dew 
3 Spikes 2—3, cylindric, lower ones sessile and short, with an oblong, 
acutish glume; 9 spikes 2—3, oblong, cylindric, thick and large, pedunculate, 
subloose-flowered ; perig. inflated, ovate, large, conic, costate, bifurcate, gla- 
