128. Carex Striatula Michx. Striate Sedge

Fig. 995

C. striatula Michx. Fl. Bor. Am. 2: 173. 1803. Carex laxiflora var. divaricata Bailey, Mem. Torr. Club 1: 33. 1889.

Glabrous, pale green, culms loosely caespitose, nearly smooth, triangular, little flattened, erect, 1°-2° high. Leaves shorter than culm, 3 1/2"-6" wide; bracts short, usually exceeded by culms; staminate spike solitary, usually long-stalked, its scales commonly reddish-brown tinged; pistillate spikes usually two, widely separate, erect, peduncled, linear-oblong, 6"-15" long, closely or at base loosely 6-20-flowered; perigynia obovoid-fusiform, divergent, obtusely triangular, strongly nerved, 2"-2 1/2" long, 3/4" wide, tipped with a straight or slightly oblique conspicuous beak; scales broadly ovate, short-cuspidate, hyaline-margined, slightly reddish-brown tinged, shorter than perigynia; stigmas 3.

New Jersey and Pennsylvania to Florida, Tennessee and Texas. April-June.

129. Carex Styloflexa Buckley. Bent Sedge

Fig. 996

Carex styloflexa Buckley, Am. Journ. Sci. 45: 174. 1843. Carex laxiflora var. styloflexa Boott, 111. 37. 1858.

Glabrous, culms rather loosely caespitose, slender, triangular, often purplish at base, smooth, 1°-2 1/2° tall. Leaves 1 1/2"-3" wide, flat, shorter than the. culm; bracts short, usually exceeded by the spikes; staminate spike solitary, usually long-stalked but sometimes nearly sessile, its scales usually reddish-brown tinged; pistillate spikes 1-4, distant, loosely 4-12-flowered, 5"-10" long, the lower drooping on elongated filiform stalks; perigynia elliptic-fusiform, triangular, many-nerved, 2"-2i" long, \" thick, somewhat divergent, tapering gradually to both ends and thus slender-beaked, the beak straight or little oblique; scales ovate or ovate-lanceolate, scari-ous-margined, reddish-brown-tinged, acute, cuspidate or short-awned, shorter than the perigynia; stigmas 3.

In woods and thickets, Connecticut to Florida and Texas.

May-July.

130. Carex Shriveri Britton. Shriver's Sedge

Fig. 997

Carex Haleana Olney, Car. Bor. Am. 6. 1871. Not C.

Halei Dewey, 1846. C. granularis Shriveri Britton, in Britt. & Br. 111. Fl. 1:

322. 1896. Carex Shriveri Britton, Manual 208. 1901.

Glabrous, light green and slightly glaucous, culms slender, erect, smooth or nearly so, 6'-2° tall. Leaves flat, 2 1/2"-8" wide, the basal shorter than the culm; bracts similar to the leaves, the lower rarely equalling the culm, strongly sheathing; staminate spike solitary, sessile or nearly so; pistillate spikes 2-5, distant, or the upper two contiguous, erect or somewhat spreading, linear-oblong, 3 1/2"-14" long, 2"-2 1/2" thick, densely 15-50-flowered, the lower at least exsert-peduncled; perigynia narrowly obovoid, little swollen, circular in cross-section, not strongly nerved, ascending, about 1" long, 3/4" wide, contracted into a minute, usually entire, straight or rarely slightly bent beak, or essentially beakless; scales narrowly ovate, thin, acuminate or cuspidate, much shorter than the perigynia.

In moist meadows. Maine to North Dakota, Virginia and Indiana. May-July.