CYPERACEAE 231 
glaucous, the ur gue staminate n 2—4, 1-4 em. long: pistillate dd 
0-1 
2—4, cylindric, 1-7.5 em. long, 1 . thick, widely separate, short-pedun- 
cled, very m any flowe ap bracts cate scales ovate b lanceolate, acute 
to awned : perigynium narrowly ovoid, 6 mm. long, 2. o mm. thick, ascending, 
Tc glabrous, Ca ro the beak short, the pos e 5 mm. lon ng. 
[C. r (Fl. SE. U. 8.) n urtis. C. impressa (S. H. Wright) Mae- 
Kenzie} 5 Onen neutral swamps a ne swales, various provinces, Fla. to Tex., 
and S N. J.—Spr. 
XXXII COLLINSIAE Mackenzie. Cespitose. Culm leafy. Leaf-blades 
flat, septate-nodulose, deep-green. Terminal spike staminate, short, few-flow 
ered. Lateral spikes 3-4, androgynous, erect, the pistillate part hi ely 1-8- 
flowered, the sta ee part few-flowered. Bracts strongly sheathing, leaf- 
like. Seales short, whitish, pointed. Perigynium subulate, ea. spreading 
e ; e 
many-nerved, tapering to the long beak,.X, 
deeply obliquely eut and sharply bidentate, | N ? 
the slender awns abruptly reflexed. Achene! 
linear-obovoid, continuous with the slender 
flexuous style. Stigmas 3, short. 
114. c. Collinsii Nutt. Culm 1.5-6 dm. tall, 
oo smooth: leaf-blades thin, soft, 2-5 
wide: crag spike short- or long- 
pedoneed, T mm. long: o MU 
t, 
St 
scales lanceolate, T the length of the p 
gynia, short awned, duda ak igyniu ae 
subulate, 8-14 mm. long, 1-2 mm. thick, light- green, ead or reflexed at 
maturity, readily detached, nu diae g d smooth beak ER the 
length of body, the teeth one der 1.5-2 mm. long, strongly reflexed.—In the 
most wet sphagnum in deep shade in densely “wooded very acid ( alas ue 
cedar) swamps, Coastal Plain and rarely more N provinces, Ga. to R. I.—Sum 
XXXIV. FOLLICULATAE Mackenzie.  Cespitose. Culm su men 
Minor da Leaf-blades flat, septate-nodu Ape yellowish-green. Terminal spike 
stam ateral spikes 3—4, pistilla androgynous, erect, 5—15-flowered. 
Bo E sheathing. Scales 3- MER SN Perigynium at length more or 
less spreading, yellowish-green at iA ! | 
many-nerved, subcoriaceous, sparingly in- 
flated, contraeted into the long ident ate 
RY H 
beak, the teeth scarcely spreading. Achene | N > = <| 
triangular, obovoid, continuous with the Yes P d 
p D EE ee ~ 
slender flexuous see. Stigmas 3, short. Ps V b^ TES 
115. C. Smalliana Mackenzie. Culm 4— NAE 
tal, smooth or nearly so, som a aaa fibril-\\\Yi4 AA 
lose at Mes leaf- Bios 3.5-12 mm. wide: WAYA 
staminate spike short-peduncled, pr em. 273€ 7, 
long: pistillate spikes 1-3, widely separate, ze AN 
.0—2.5 em. long, 2-3 em. wide, 8-20-flowered, 
the upper short- and the lower long-pe- 
duncled: bracts leaf- like: pn ium 10- 
14 mm. long, deep-green, or at matur- 
