CYPERACEAE 219 
in rich woods in calcareous regions, Mid TOV rarely Coastal Plain, Fla. 
to Tex., Ia., Mich., and Vt.—Spr.-early su 
RANULARES Bailey. Culm central, slender, leafy. Leaf-blades flat. 
Basal sheaths brownish. Terminal spike staminate, linear. Lateral spikes 
2—4, pistillate, closely many-flowered, in several ranks, erect on more or less 
strongly exserted peduncles. Bracts sheathing, not colored or dark-aurieled, the 
blades leaf-like. Scales ovate, pointed, slightly ferruginous. Perigynium 
ascending, elliptic to ovoid, membranous, 4 
glabrous, with many elevated nerves, subor- 
bicular in M loosely enveloping the 
ch rounded at the base, short tapering 
and utely eden the orifice entire or, 
sub- see ate Achene triangular, strongly X 
apiculate, Py with the slender style. 
Stigmas 3, shor 
72. C. granularis Muhl. Culm 2-9 dm. tall, 
e leaf-blades 3-9 mm. wide: staminate 
pike 1-2.5 cm. TE pistillato spikes 2-5, 
distant or upper two contiguous, 0.5-3 ¢ 
long, 5-6 mm. wide, closely 10-20. NOE. 
scales exceeded by "the p ovate-lanceolate, acuminate or cuspidate: 
a m ium m ven oid or obovoid, suborbicular in cross-section, 
j e short beak.— 
, 2-2 thi ick, ab 
Moist 2 iy "in ‘alearenus regions, various provinces, Ga. to La., Minn., and 
Vt.—Spr. —early su 
73. Crawei ius Culms in small clumps, 1-3 dm. tall, smooth or nearly 
"80: n blades 1.5-3 mm. wide, thick, spreadi ng, ae ed: staminate T 
1-3 em. long: pietillate Di '2-4, widely separate, 1-3 em. long, 5-6 
wide, closely 10—45-flowered: scales about half ns ‘length of the "peri gynia, 
ovate, acuminate or Te : perigynium oe id, ascending, ovoid, suborbicu- 
lar in cross-section, 3-3.5 mm. long, 1.25—2 thick, a dud contracted into 
the minute beak: achene muri d tipped —Molst T ocky ledges in calcareous 
Alb., 
regions, various provinces N of Coastal bim Tenn, T Kans., Wyo., 
me , Cape Breton Id., and N N. J.—Spr.- arly s 
74. C. microdonta Torr. & Hook. Culms in small clumps, 1.5-6 dm. tall, 
epis or nearly so: leaf-blades 3-6 mm. wide, flat, spreading: staminate spike 
. long: pistillate spikes usu d 3, widely separate, 1-3.5 em. long, 5—7 
mm. "thick, closely 10—45-flowered: ae shorter than the perigynia, ovate, 
acuminate or cuspidate: perigynium turgid, ascending, ovoid, suborbicular 
in dud bun n, T 5 mm. long, ribbed, moderately beaked, the orifice emargi- 
ac h ben tt ip.—Wet prairies, n dare areous regions, Coastal Plain 
a paren E Miss. to Tex. and Okla.—Spr. 
ISEAE Bai id Culm slender, leafy. Leat- blades flat. Basal 
minal spike 
strongly exserted peduncles. Bracts sheathing, not colored or dark-auricled, 
