230 CYPERACEAE 
ed -nerved, often hairy, round-tapering at base, tapering into a bidentate _ 
chene apo often stipitate, the faces flat or deeply goose 
in culate, jointed the straight or 
slightly flexuous ens style. Stigmas 
110. C. turgescens Torr. Culm 6-9 dm. tall, 
nearly flat: ate 
peduneled, 3.5-5 cm. long: pistillate ieee 
2 or 3, widely separate, short-oblong, 2-3 
em. long, 1.5-2.5 em. thick, 10—20- nv 
strongly peduncled: racts conspicuous 
scales half length of perigynia or less, iier 
aeute to euspidate: perigynium ovoid-lanceo- 
late, 3-3.5 mm. thick, coarsely many-nerved, 
yello wish- „green, tapering into the smooth or 
i be mm. 
—Wet pinelands, Coastal Plain, Fla. to Là. and N. C.—Spr.-sum. 
111. C. Walteriana Bailey. Culm 2-8 dm. tall, slender, stout, roughish above, 
reddened and filamentose at base: staminate spikes 1-2, 5 em. long: pi 
tillate spikes 1-2, oblong-cylindric, 2-6 cm. long, 5-8 mm. thick, distant, AREIS 
or very short-peduncled, many-flowered: uel ue P pecie scales oe 
acute to short awned: perigynium ovoid, 4-6 mm. long, 2-2.5 mm. thick, ascend- 
ing, coriaceous, glabrous or sparsely short- ean many iue the beak 
l5 length of the body, the teeth 0.5 mm. long. [C. striata Michx. C. poly- . 
morpha (Fl. SE. S:) not Muhl. ]—Open pineland swamps in acid soils, 
Coastal Plain and New England Coast, Fla. to Mass.—Spr.-early su 
112. C. lanuginosa Miehx. Culm 3-10 dm. ps stoutish, E puso 
rough above, reddened PA piu at base: staminate spikes 1-2: pistil- - 
lc spikes 1-3, cylindri . long, 5-8 m m. thick, usually distant, sessile 
the lower slender- ect ed, 25-75- flowered: bracts conspicuous: scales 
TURPE AI nne aeuminate or awned: p broadly ovoid, 2.5-3.5 mm. 
long, 1.75—2 mm. wide, ascending or spreading, coriaceous, densely soft-hairy, 
many- dos euo d the teeth 0.5 mm. long. [Carex hirta (Fl. SE. 
U. S.) not L.]—Open swamps and wet meadows in ealeareous distriets, various 
ee. "N. C. to Tex., S Calif., B. C., and Que.—Sum 
XXII. PALUDOSAE Fries. Phyllopodie or a Rootstock with 
stout stolons. Culm leafy, the leaves often more or less glaucous. Staminate 
spikes 1-3, linear.  Pistillate pod 2-6, 
cylindric or oblong, densely non 
ered, erect, ped acts ee 
to strongly sheathing, the lower leaf-li 
Scales cuspidate or aristate. Perigynium 
coriaceous, ovoid, suborbicular in cross-sec- 
tion, many-nerved or ribbed, abruptly beaked, 
the orifice emarginate to deeply bidentate. 
Achene triangular, continuous with the per- 
sistent style. Stigmas 3. 
113. C. hyalinolepis Steud. Culm 5-10 dm. 
tall, stout, phyllopodie, smooth or ne arly 
