158. Carex Misandra R. Br. Short-Leaved Sedge

Fig. 1025

Carex misandra R. Br. Suppl. Parry's Voy. 283. 1824.

Glabrous and smooth, culms very slender, erect, 1'-15' tall. Leaves 1"-1 1/2" wide, clustered at the base, usually much shorter than the culm, seldom over 2 1/2' long; bracts narrowly linear, sheathing, with colored sheaths, not overtopping the spikes; terminal spike often partially pistillate at base or summit, slender-stalked; pistillate spikes 1 to 3, filiform-stalked, 3"-7" long, about 2" thick, rather few-flowered, drooping or weakly erect; perigynia narrowly lanceolate, tapering and beaked at the apex, narrowed at the base, 2 1/4" long, 1/2" wide, ascending, dark brown, serrulate above, the orifice oblique, at length bidentate; scales oval, acutish, purple-black with narrow white margins, somewhat shorter than the perigynia; stigmas 3, rarely 2.

Throughout arctic America, extending south in the Rocky Mountains to the higher summits of Colorado. Also in arctic Europe and Asia. Summer.

158 Carex Misandra R Br Short Leaved Sedge 1025

159. Carex Swanii (Fernald) Mackenzie. Swan's Sedge

Fig. 1026

C. virescens var. Swanii Fernald, Rhodora 8: 183. 1906. C. Swanii Mackenzie, Bull. Torr. Club 37: 246. 1910.

Culms very slender, erect or somewhat reclining, rough above, 6'-2o' tall, little reddened at base, exceeded by leaves. Leaves light green, 1 1/4" wide, pubescent, especially on the sheaths, the uppermost usually 1 1/2-2' below spikes; spikes 2-5, very short-stalked, erect or nearly so, oblong-cylindric, densely many-flowered, 3"-10" long, 1 1/2"-2 1/2" in diameter, the terminal gynaecan-drous; lowest bract very slender, i" wide, twice exceeding spikes; perigynia 3-sided, obovoid, about 1" long, ascending, densely pubescent, few-nerved, green; beak-less, the orifice entire; scales oblong-ovate, the lower cuspidate by the excurrent midvein, scarious-margined, slightly shorter than the perigynia; stigmas 3.

In dry woods and thickets, Nova Scotia to Michigan. North Carolina, Tennessee and Missouri. Illustrated in our first edition as C. virescens. June-July.

159 Carex Swanii Fernald Mackenzie Swan s Sedge 1026

160. Carex Virescens Muhl. Ribbed Sedge

Fig. 1027

Carex virescens Muhl.; Willd. Sp. PI. 4: 251. 1805. Carex virescens var. costata Dewey, Am. Journ. Sci,

9: 260. 1825. C. costellata Britton, Bull. Torr. Club 22: 223. 1895.

Similar to the preceeding species, but taller and more spreading; culms slender, 1 1/2°-2 1/2° long, strongly reddened at base, exceeding leaves. Leaves 1 1/2"-2" wide, pubescent, especially on the sheaths, shorter than the culm, the upper one usually 3/4'-1 1/4' below spikes; spikes 2-5, linear-cylindric, many-flowered, rather loose, 1/2-1 1/2 long, 1 1/2" in diameter, erect or slightly spreading, the terminal gynaecandrous, the lower one commonly filiform-stalked; lowest bract leaflet-like, 1/4"-1" wide, somewhat exceeding spikes; perigynia oblong-elliptic to rarely obovoid, densely pubescent, narrowed at each end, usually strongly several-ribbed, 1" long, rather more than 1/2" thick, beakless, the orifice entire; scales ovate, scarious-margined, acuminate or cuspidate, shorter than the perigynia; stigmas 3.

In woods, Maine and Ontario to Georgia and Kentucky. Ascends to 4000 ft. in North Carolina. June-Aug.

160 Carex Virescens Muhl Ribbed Sedge 1027