CYPERACEAE 221 
gate, linear or cylindric, the lower at least slender-peduncled and drooping. 
wer bract at least usually strongly green-sheathing, rarely sheathless, the 
blades leaf-like. Perigynium oblong or ovoid, membranaceous, little or not 
at all inflated, 2-keeled and otherwise nerve- wx. 
less, or cures several-nerved, beakless or ` 
short-beaked, the orifice truncate or emar 
hie e triangular, p ede jointed 
n the style. Stigmas 3, short 
09 
oa 
80. C. prasina Wahl. Culm 3-8 dm. tall, 
erect, slender, ou) De above: leaf- 
blades 2. 5-5 wide: minal spike 
strongly pedun dot bom partly p 
late: pistillate spi ikes 2—4, narrowly cylin 
e ort awne ve 
perigynium light-green, sharply triangular, 3-4 mm. long, 1. 51 mm. thick, nerve- 
rl 
nea 80.— (DROOPING-SEDGE.)—-Springy banks of shaded pu 
are soils, various provinces, rarely Coastal Plain, Ga. to Ky., Mich., Que 
and Me.—Spr.-early sum. 
81. C. oxylepis Torr. & pp Culm 2.5-8 dm. tall, erect, slender: terminal 
spike gynaecandrous, 1.5-3.5 em. lo oe pe pean _pistillat a 2—3, some- 
Ms a the lower usually more r less dro long, 3-4 
. wi osely d cept at base) 15-40 -flo Ede p i» us elliptic: -lanceo- 
late, svar triangular, s an inflated, strongly a -nerved, rounde 
at ue E Rd minutely beaked, the orifice emarginat . gracillima 
U. S.) not Schw.]—Rich w oods, Coastal Plain med ‘occasionally adj. 
E. Fla. to Tex, SE Mo., Tenn., a nd Va. —BSpr.i 
E. Davisii Schw. & Torr. Culm 3-9 dm. tall, erect: leaf-blades es 
82. 
pubescent: i epiko gyn pon 1.5-3.5 em. long, peduncled 
20 
tillate b sy r 3, 8 udi , the lower usually more or less "es 
ing, 2—4 em. long, 3-6 wi ide, pios 10—40-flowered: perigynium oblong- 
ps pis piu somewhat inflated, strongly several-nerved, rounded 
apex and abruptly minutely beaked, the o rifice bidentate.—Rieh alluvial 
aud d in ealeareous regions, various po ep rarely Coastal Plain, Tenn. 
to Tex., Minn. , Que., and Vt.—Spr.-early sum 
83. C. aestivalis M. A. Curtis. Culm 3-6 dm. ie erect, piel roughened 
above, reddish at the base: leaf-blades 1.5-2.5 mm. wide, metimes slightly 
pubescent, the lower sheaths short-pubescent: an aal pu e gynaecandrous, 
the upper half pistillate, rather closely c ed: "pit a spikes usually 3, 
approximate or somewhat remote, 2-4 em. long, 2 thick, erect, nearly 
ee to long-peduncled, loosely honed: scales hale i the length of the peri- 
obtusish to cuspi idate: bes ee lanceolate- -elliptic, rather sharply tri- 
angular, smooth, 2.5-3 mm. long, the sides 1 mm. wide, tapering at both ends, 
not beaked.—Mt. woods, in n acd A Blue Ridge and more northern provinces, 
Ga. t o N. Y., N. H., an nd Mass.—Sum 
84. C. misera Buckley. Culm 2.5-4.5 dm. € uad pubeseent, strongly 
reddish-purple at base: leaf-blades 1—1.5 mm. wide, sparsely pubescent: ter- 
