330 CYPERACEAE. 
114. Carex ptychocarpa Steud. Thicket 
Sedge. (Fig. 784.) 
Carex plychocarpa Steud. Syn. Pl. Cyp. 234. 1855. 
Glabrous, pale green and glaucous, culms erect, 
very slender, smooth, only 2’-6’ tall. Leaves flat, 
the basal 2’/-4’’ wide, much longer than the culm; 
bracts foliaceous, usually overtopping the spikes; 
staminate spike small, sessile; pistillate spikes 2 or 
3, sessile and close together at the summit or the 
lower one slender-stalked and nearly basal, all 
erect, loosely few-flowered, 4’’-8’’ long; perigynia 
oblong, pale, 3-angled, rather strongly many- 
nerved, 1’ long, rather more than %’’ thick, 
pointed at both ends, minutely straight-beaked, 
the orifice entire; scales ovate, thin, obtuse, about 
one-half as long as the perigynia; stigmas 3. 
In moist woods and thickets, Massachusetts and New 
Jersey to Florida and Louisiana. June-Sept. 
115. Carex platyphylla Carey. Broad-leaved Sedge. (Fig. 785.) 
Carex plantaginea Michx. Fl. Bor. Am. 2: 173. 
1803. Not Lam. 1789. 
eae platyphylla Carey, Am. Journ. Sci. (II.) 4: 23. 
1847. 
Glabrous, pale green and glaucous, culms slen- 
der, spreading or reclining, 4’-15’ long. Leaves 
flat and broad, %4’—1’ wide, shorter than the culm; 
bracts linear-lanceolate with long clasping sheaths, 
1/’-2'%4’’ wide, not overtopping the spikes, usually 
less than 2’ long; staminate spike stalked; pistil- 
late spikes 2-4, distant, erect, all slender-stalked 
or the upper one nearly sessile, looscly several- 
flowered, 5’’—10’ long, their stalks commonly en- 
closed in the sheaths, perigynia oblong, 3-angled, 
imany-nerved, slightly bent at the narrowed sum- 
mit, 1/’-114’’ long, rather more than %4’’ thick, 
equalling or somewhat longer than the ovate-ob- 
long acute cuspidate or short-awned scales; 
stigmas 3. 
In woods and thickets, Quebec and Ontario to Michigan, south to Virginia and Illinois. Ascends 
to 2500 ft. in Virginia. May-June. 
116. Carex panicea IL. Grass-like Sedge. Carnation-grass. (Fig. 786.) 
Carex panicea I,. Sp. Pl. 977. 1753+ 
Glabrous, pale bluish green and glaucous, culms 
slender, smooth, erect, stiff, 1°-2° tall. Leaves flat, 
1’’-2/’ wide, the basal ones shorter than or equalling 
the culm, those of the culm and the bracts much shorter 
and narrower; staminate spikes 1 or 2, stalked; pistil- 
late spikes 2 or 3, distant, filiform-stalked or the upper 
nearly sessile, erect, 1’ or less long, about 2%4’’ thick, 
rather loosely several-many-flowered, the upper some- 
times staminate at the summit; perigynia oval, about 
114’ long and nearly 1’ iu diameter, slightly swollen 
and obscurely 3-angled, yellow, purple or mottled, 
faintly few-nerved, tipped with a very short entire 
somewhat oblique beak; scales ovate, acute, purple or 
purple-margined, shorter than the perigynia; stigmas 3. 
In fields and meadows, Nova Scotia to Maine and Rhode 
Island. Naturalized from Europe. June-July. 
