222 CYPERACEAE 
inal spike staminate, 1-2 cm. long, peduneled: alegre gee E or 3, 
ERO. separate, the lower long- es a 12-35 mm. long, 3 wi e, 
with 10—25 appressed- ee perigynia: scales oblong- -ovate, Ken half 
length A per igynia d ostly o is use, D. ver tinged: perigynium oblong- 
lanceolate, 4—4 ong, 1.25 mm. wide, obscurely triangular, lightly few- 
eta pode. ae n. tapering at base and o the orifice entire: 
P narrowly oblong-obovoid. [C. d Es SE. U. S.) not Willd.]— 
Mt. summits, in aeid soils, Blue Ridge, N. C 
XXII. SYLVATICAE Boott. Culm aphyllopodic, strongly purplish tinged 
at the base, tufted, slender, leafy. Leaf-blades flat. Terminal spike normally 
staminate. Lateral spikes 2—5, elongate, narrowly linear, slender- acsi | 
the lower drooping. Bracts green-sheathing, the blades leaf-like. Perigyniu 
appressed or Quid. lanceolate to ovoid, membranous, obsoletely . nerved, 
rather closely enveloping the achene, 
tapering to a well-developed conic beak, 
obliquely cut at orifice and stron ex 
hyaline-tipped, at length bidentate. 
Achene triangular, apiculate, jointe 
with the slender style. Stigmas 3 
85. C.oblita Steud. Culm 2.5—6.5 dm. 
tall, ned "pt roughened above: 
leaf-blades wide: Rmi 
Spike ies add 1.5—4 cm. lon 
deni T 2 or 3, ui lower “distant, 
—5 ong, 3-5 mm. ; 
a ioo Ta flower ed, the a x | 
least modding the peduncles long, sl Xe 
h: scales ovate-lanceolate, js 
than "half the eee of the Deng CHE or obtuse: perigyniu 
long, 2-2.25 mm. wide, oblong-o obs pda d triangular, rU 
about 10- ribbed, ‘tapering at both ends, minut ely beaked, the orifice shallowly 
bidentate.—Moist sandy acid woods and thi iy oe Plai n and occasionally 
adj. provinces, nh to La., N. Y., and N. J.—Late spr. 
86. C. venusta Dewey. Culm ps dm. tall, slender, little roughened above: 
leaf-blades 3-8 mm. wide: staminate spike slender-peduncled, 2.5—5 em. long: 
isti j j , 9—9 em. long, 3-5 mm. wi 
pistillate spikes 3 or 4, the lower e linear mm. wide, 
rather loosely flowered, the t least drooping on lon ng, slender, rough 
a scales oblong- jeu des iia n Pes len ngth of perigynia, obtuse to 
acuminate: perigyni 6-7.5 mm. long, 2 wide, oblong-lanceolate, flat- 
tened triangular, E nel, i tapering t "both ends, short beake d, the 
beak obliquely cut. e ow pine woods, in acid soils, Coastal Plain, Fla. to 
N. C.—Spr 
early s 
87. C. allegheniensis Mackenz Culm 2.5-6 dm. tall, ia Slightly 
roughened above: sterile shoots aphyliopođie: leaf-blades 2-3 m ig 
green; staminate spike A 1.5-3 cm. long: pistillate spik pa 
rowly linear, 2.5—5 em. long, 3—4 mm. wide, "oon ing or weakly er on slender 
Laan bed lower distant: erem oblong- nd m keeled, the mid- 
n promine t to tip, c zb idate or awned, much shorter than the perigynia: 
Herb) ium 5 7 mm. long, strongly nerved, "with slender unequally cleft sharply 
bidentate beak.— —Dry w oodlands, in acid soils, Blue Ridge and adj. provinces, 
Ga. to Tenn., Pa., and Md —Spr. early sum 
