198 



FLORA. 



short-awned, prominently i-nerved, shorter than the perigynia. In moist woods 

 and thickets, Me. to Out.. Mich., S. Car. and Tenn. May-Aug. 



38. Carex vestita Willd. Velvet Sedge. (I. F. f. 708.) Culms strict and 

 slender, 0.4-0.8 m. tall, rough above. Leaves 3-5 mm. wide, not overtopping the 

 culm; bracts similar, but narrower, short, rough-ciliate ; staminate spike solitary, 

 rarely 2, almost sessile ; pistillate spikes 1-5, oblong, 1-2 cm. long, 6-8 mm. in 

 diameter, erect, commonly staminate at the summit, sessile or the lower short- 

 stalked; perigynia ovoid, densely pubescent, less than 2 mm. in diameter, promi- 

 nently lew-ribbed, tapering gradually into a short conic 2-toothed whitish beak, 

 slightly shorter than or equalling the ovate acute membranous scales. In sandy 

 woods, N. H. to Penn., south to Ga. June-July. 



39. Carex Walteriana Bailey. Walter's Sedge. (I. F. f. 709.) Culms 

 slender, strict, usually rough above, O.3-0.8 m. tall. Leaves narrow, elongated, 

 2-4 mm. wide, nodulose, not overtopping the culm; lowest bract similar, the upper 

 smaller, often almost filiform; staminate spikes 2-5, long-stalked; pistillate spikes 

 1 or 2, when 2 the lower remote from the upper, sessile or short-stalked, oblong- 

 cylindric, erect, 2-4 cm. long, about 8 mm. in diameter, rather loosely, many- 

 flowered; perigynia ovoid, purple-brown, many-nerved, slightly inflated, glabrous, 

 or pubescent, 3 mm. in diameter, tapering into a short 2-toothed beak; scales ovate, 

 acute, short-aristate or obtuse, membranous, one-half the length of the perigynia. 

 In pine-barren bogs, southern N. J. to Fla. May-July. 



40. Carex Houghtonii Torr. Houghton's Sedge. (I. F. f. 710.) Culms 

 rough above, erect, 0.3-0.8 m. tall, exceeding the leaves. Leaves and lowest bract 

 4-7 mm. wide, rough, their margins revolute; upper bracts much shorter; stami- 

 nate spikes 1-3, stalked, sometimes pistillate at the base; pistillate spikes 2 or 3, 

 oblong-cylindric, 1-4 cm. long, 6-8 mm. in diameter, erect, rather loosely flowered, 

 the upper sessile, the lower stalked; perigynia broadly ovoid, 3 mm. in diameter, 

 light green, densely pubescent, many-ribbed, narrowed into a short conspicuously 

 2-toothed beak; scales lanceolate, short-awned, hyaline-margined, strongly 1- 

 nerved. somewhat shorter than the perigynia. In sandy or rocky soil, N. S. to the 

 N. W. Terr., Me., Mich, and Minn. June-Sept. 



41. Carex lanuginosa Michx. Woolly Sedge. (I. F. f. 711.) Culm slen- 

 der, but usually rather stouter than that of C. Jiliformis, sharp-angled and rough 

 above. Leaves and lower bracts elongated, not involute, 2-4 mm. wide, sometimes 

 overtopping the culm; staminate spikes 1-3, long-stalked, sometimes pistillate at 

 the base; pistillate spikes 1-3, usually distant, sessile or the lower slender-stalked, 

 cylindric; 5-6 mm. in diameter; scales acuminate or aristate. In swamps and wet 

 meadows, N. S. to Br. Col., south to N. J., Kans., N. Mex. and Cal. June-Aug. 



Carex lanugin6sa Kans&na Britton. Plant pale; leaves 1-2 mm. wide, very rough; 

 perigynia 1 mm. in diameter, the ribs conspicuous. Mo. and Kans. 



42. Carex filiformis L. Slender Sedge. (I. F. f. 712.) Culms very slen- 

 der, erect or reclining, smooth, obtusely angled, 0.5-0.9 m. long. Leaves very 

 narrow, involute, abjut 2 mm. wide, rough-margined, not overtopping the culm; 

 lower bract similar, upper bracts filiform; staminate spikes 1-3, commonly 2. 

 ^talked; pistillate spikes 1-3, cylindric, 1.5-2 cm. long, about 6 mm. in diameter, 

 cn-ct. -essile, or the lower distant and short-peduncled ; perigynia green, ascending, 

 oval, densely pubescent, faintly nerved, about 2 mm. in diameter, tapering into a 

 short 2-toothcd beak; scales ovate, membranous, acute or short-awned. shorter than 

 or equalling the perigynia. In wet meadows and swamps, Newf. to Br. Col.. N. J., 

 Penn., Mich, ami Iowa. Occasionally dioecious. Also in Europe. June-Aug. 



43. Carex hirta L. Hairy Sedge. (I. F. f. 713.) Rootstocks creeping; 

 culms rather slender, nearly smooth, 1. 5-4 dm. tall. Leaves flat, pubescent, 

 especially on the sheaths, 3—5 mm. wide, the basal ones much elongated, the upper 

 and the similar bracts shorter; staminate spikes 2 or 3, stalked; pistillate spikes 2 



r I, remote, erect, oblong-cylindric. 2-3 cm. long, about 6 mm. in diameter; peri- 

 •i.i ovoid-oblong, green, densely pubescent, 2 mm. in diameter, 4 mm. long, few- 

 ribbed, tapering into a prominently 2-toothed beak; teeth often as long as the 

 1 eak; scales lanceolate, aristate, 3-nerved, shorter than the perigynia. In fields 

 and waste places, Mass. to K. X. V. and Penn. Nat. or adv. from Europe. 

 June-Sept. 



