232 CYPERACEAE 
ity yellowish-green, rni many- ben rounded at base, gradually tapering 
into the beak, the teeth 0.5-1 m [C. folii culata australis o ND 
Swamps and vet woods, in acid M "Coastal Plain, Fla. to Tex. and S 
Spr.-early su 
116. x e L. Culm 3-12 dm. tall, smooth, fibrillose at base: leaf- 
eras 6-16 mm. wide: a d spike peduncle ed, 2 .0 em. long: pistillate 
, 1.5-2.5 em. long, 1. em. 5 
the ee ’ short- and the low er long- media se gue “bracts leaf-like: perigynium 
10- pe . long, yellowish-green, many-nerved, rounded at base, tapering into 
the r SEEN beak, the teeth 1 mm. long.—Sw oiu mod in piii M 
various provinces, N. C. and Tenn. to Mich. and Newf.—Late spr— 
XXXV. VESICARIAE Tuckerm. Culm mostly tall and stout, leafy below. 
Leaves not hairy, septate-nodulose. Spikes 2-10, the upper 1—5 staminate, the 
others normally pistillate, subglobose to linear- ipie edu elosely many- 
flowered, erect, short-peduncled, more or less r Bracts leaf-like, much 
Htec n e inflorescence, normally sheathless. pais iibro spread- 
ing, even reflexed, membranaceous, smooth, from little to much inflated, 
Bur eus in cross-section, coarsel 
many-ribbed or nerveless, contracted 
continuous with the usually tortuous 
tigmas 
117. bó bullata Sehk. Culm 4-10 dm. 
tall, sharply triangular, rough above, 
veddtich: -pur ple-tinged and filamentose 
ide: 
pistillate spikes 1—3, widely separate, 
n ng- n 2-5 em. long, 12-15 
wide, 20—40 flowered, apo bé dpa. or sessile: dels leaf-like: scales 
ovate, Y 1, eng of perigynia, aeute or obtusish: perigynium rd ovoid, 
5-9 ong, 3 mm. thi ae do er pps green, strongly about 10 -nerved, 
abruptly peaked the "bea r less roughened, the slender p eth 0.5-1 
m. long. modd mpy acid Er, Coastal "Plain and New England Coast, Ga. 
to Me. 
eb C. Elliottii Schw. & Torr. Culm 2.5-9 dm. tall, slender, somewhat rough- 
above: leaf-blades 1.5-5 mm. wide, yong the basal sheaths purplish: 
retary ate spike slender-peduncle d, 2—4 long: pistillate spikes 2-3, the 
upper approximate, the lower widely mind suborbieular, 12-18 mm. in diam- 
eter, 10-20-flowered: bracts vun ied api less than "half length of peri- 
gynia, ovate, obtusish or acute: perigynium ovoid, 2.5-3 mm. thick, strongly 
about 10-nerved, green, cu into the slightly serrulate or smooth strongly 
bidentate beak, 1.5-3 mm. long — i in acid soils, Coastal Plain, 
Fla. to Ala. and N. C.—Spr.-early su 
119. C. lurida Wahl. Culm 1.5-10 dm. tall, little roughened above, purplish- 
red at base: leaf-blades 2-7 mm. wide: staminate Spike 1-7 em. long, short- or 
long- eund pistillate spikes 1—4, 1-7.5 em. long, very variable in size, 
densely many-flowered, va rying from sessile (the upper sometimes) to long- 
SATE (ihe lower): perigynium ovoid, 6-9 mm. long, 2.5-3 mm. wide, 
