CYPERACEAE 228 
88. C. debilis Michx. Culm 2.5-12 dm. tall, slender, slightly rough above: 
sterile shoots Fear de fae blades 2-4 mm. wide, light-green: staminate 
sp ike md uncled, 1.5—5 ong: pistillate spikes 2—4, the lower distant, linear, 
25- 6 em. long, 3-4 mm "e lower at least on long slender rough pe- 
a ag ‘scales cae % Pw 15 1 ength of perigynia, closely appressed, very 
wid e obtuse: perigynium subulate-lanceolate, flattened triangular. 
1. . wide, gl Nn or rarely puberulent, RE the beak 1.5-2 mm. lon 
"m m stro ongly stipitate.—Dry woods and eopses, in acid or neutral soils, 
d., bu 
Coastal Plain and adj. provinces, Fla. to Tex: Ind., N. J., and Long Id., N. 
pr. 
89. C. flexuosa Muhl. Culm 2-10 es bar vines. Rs oat above: sterile 
shoots p leaf-blades 2-4 wide: minate spike peduncled, 
1.5-5 em. long: pistillate spikes 24 the ren orem linear or elongated 
linear, 2-8 em. long, 3—4 mm. wide, the lower at least on long ped rough 
: e r 
ly 
achene sri itate. [C. tenuis Ru dge E] —Dry woods and copses 
in | acid or np soils, Blue Ridge and more northern po ..C. to Wis. 
and Newf.—Spr.-ea rly sum.—In our area only in the mountains 
XXIII. Lonetrostres Kükenth. Culm phyllopodie, tufted, leafy towards 
the base. Leaf-blades flat. Terminal spike staminate. Lateral spikes —5, 
linear-oblong or oblong-cylindrie, peduneled, many-flowered in several rows. 
Braets green-sheathing, the blades devel- 
(8) . 
1 LASS Noe 
membranous, globose-triangular, somewhat (yes ss 
1 f 
inflate a a ntly beaked, the — eae h y 
tate, weak, secari 
ee 
Ed apiculate, the apice A. very 
abruptly bent, jointed with the slender style. 
Stigmas 3. 
90. C. cherokeensis Schw. Rootstock stout: 
es se 
spikes 3—6, widely separate, the em P least 
on long peduncles, oblong-cylindric, 1.5—4.5 * 
em. long, 6—9 thick, elosely 10— Bo d uen seales somewhat shorter than 
the perigynia, “lanceolate a perigynium ovoid, obtusely triangular, 
6 mm. long, 2.5 wide, contracted into a beak A the length of the body, 
scarious and oblique p apex -—Wet woodlands and swamps, Coastal Plain aa 
rarely adj. provinces, Fla. to Tex., SE Mo., and Ga.—Spr.—The basal leaf- 
sheaths are often chestnut-colored. 
XXIV. VIRESCENTES Kunth. Culms largely aphyllopodic, tufted, leafy 
towards the base. Leaves with at least the sheaths pubescent. Terminal 
spike gynaecandrous or staminate. ral spikes pistillate, closely many- 
flowered in several rows. Bracts estes or nearly so, at least the lower 
