AREX. CLX. CYPERACE. 587 
3-nerved.—Bright green. Hedges and open woods, common, and one of the 
first appearing species in the spring. 
84, C. CarbyAna. 
& Spike erect, oblong, with oblong and obtuse glumes; Q spikes 2—3, 
evate, loose and few-flowered, distant, upper subsessile, all bracteate; perig. 
ovate, triquetrous, subinflated, nerved, acuminate, tapering at the base, smooth 
and glabrous, entire at the orifice, twice longer than the ovate, mucronate glume; 
st. 1—2f high, erect, smooth, leafy towards the base; lwvs. linear-lanceolate.— 
Pale green. ‘Woods, Auburn; N. Y., Carey, and in various places in Ohio; 
closely related to C. plantaginea, and to C. F’raseri of the Southern States. 
85. C. anceps. Schk, (C. plantaginea. Mul.) 
Spikes 2—4, subfiliform, erect, attenuate, sparse-flowered, remote, with 
a 2-edged peduncle, leafy-bracteate, upper one subsessile ; perig. oval-triquetrous, 
tapering at both ends, short-rostrate, attenuate, glabrous, striate, excurved at 
the apex, a little longer than the oblong-mucronate or ovate-acute glume; st. 
6—12’ high, acutely triquettous; Jvs. radical, of medium width—Glaucous or 
light green. Woods and hedges, common. . 
B. patulifolia. Dew. (C. anceps. Schk., fig. 195.) Lvs. radical, broad, many- 
veined, narrower at the base; sheaths with long and leafy bracts ; perig. longer- 
rostrate. 
y. angustifolia. Dew. (Schk. fig. 128.) St. a foot high; dvs. narrow, striate, 
long; perig. short-rostrate and much recurved. 
86. C. BLhanDAa. Dew. (C. conoidea. MuAl.) 
Q Spikes 2—4, oblong, cylindric, subsparse-flowered, alternate, approxi- 
mate, bracteate, highest subsessile, the lowest on a long, 2-edged peduncle; 
perig. obovate, subtriquetrous, nerved, recurved at the apex, entire at the orifice, 
little longer than the ovate, scabro-mucronate glume; st. 8—12’ high, trique- 
trous, leafy towards the base; /vs. long as the stem.—Pale green or glaucous. 
Meadows and dry, open woods, common. 
87. C. conorpea. Schk. (C. granularioides. Schw.) 
od Spikes 2—3, oblong, or ovate-oblong, remote, erect, rather dense-flowered, 
bracteate ; perig. oblong-conic, obtusish, glabrous, nerved, subdiverging, entire 
at the mouth, a little longer than the ovate-subulate glume; st. 8—12’ high; Jws.- 
towards the base, shorter than the stem.—Bright green. Moist, upland mea- 
dows, common. 
88. C. TeTanica. Schk., fig. 207. 
Q Spikes 2—3, oblong, loose-flowered, remote; perig. obovate, recurved at 
the apex, entire at the orifice, with an ovate glume, obtusish at the upper and 
mucronate at the lower part of the spike; st. 6—10’ high, triquetrous, longer 
than the flat and linear-lanceolate leaves.—Light green. Upland meadows, rare. 
89. C. piciratis. Willd. 
Q Spikes about 3, 4d—10-flowered, oblong, distant, loose-flowered, lax and 
recurved ; perig. ovate, triquetrous, alternate, nerved, glabrous, short and obtuse, 
entire at the orifice, longer than the ovate-lanceolate glume; st. 4—12! high, 
triquetrous, shorter than the long, decumbent leaves.—Pale green. 
8. Van Weckii. Dew. Smaller; perig. more remote and smaller.—Open, 
moist woods, common. Has been mistaken for C. oligocarpa, Schk. g Muh. 
90. C. rETROCURVA. Dew. 
Q Spikes 2—4, on long, filiform and recurved peduncles, bracteate, sub- 
dense-flowered, short and thick, oblong; perig. ovate, triquetrous, nerved, ob- 
tusish, equaling the ovate, cuspidate glume; st. 6—12’ high, prostrate; dvs. 
radical and wide.—Glaucous. Open woods, rare. Has been considered C. 
digitalis, Wilid., but is different. 
91. C. onicocarpa. Schk. a 
Q Spikes 2—3, erect, 3—4-flowered, bracteate ; perig. obovate, roundish- 
triquetrous, short-rostrate, entire at the mouth, longer than the oblong-mucro- 
nate glume; st. 6—12’ high; dvs. flat and shorter towards the base; plant light 
green.—Open woods or hedges, rare. Differs from the following species in its 
fruit and pubescence. 
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