212 FLORA. 



4 mm. long, the short boak slightly oblique, entire; scales ovate with white hyaline 

 margins, cuspidate orawned, shorter than the perigynia. In woods, N. E. (accord- 

 ing to Bailey); N. Y. to Mich, and Va. May-June. 



Hi. Carex Albursina Sheldon. WHITE BEAR SEDGE. (I. F. f. 781). Gla- 

 brous, rather deep green; culms flattened, usually spreading, 2-5 dm. long. Basal 

 haves Lanceolate or oblong-lanceolate, acuminate, shorter than the culm, 1-3 cm. 

 wide; bracts similar to the narrower culm leaves; staminate spike sessile or nearly 

 so; pistillate spikes 2-4, 1-2.5 cm. long, very loosely flowered; perigynia obovoid, 

 obtusely 3-angled, many-nerved, 4 mm. long, 2 mm. thick, with a short bent entire 

 beak; scales ovate -oblong, scarious-margined, shorter than the perigynia. In woods, 

 Quebec to Mass., N. Y., Minn., Va. and Iowa. June-Aug. 



112. Carex plantaginea Lam. Plantain-leaved Sedge. (I. F. f. 782.) 

 Glabrous, rather dark green; culms 1.5-5 dm. l° n g- Leaves I-2.5 cm. wide, per- 

 sistent through the winter; bracts short, usually with purplish clasping sheaths; 

 staminate spike long-stalked, purple; pistillate spikes 3 or 4, slender-stalked, 2.5 

 cm. long or less; perigynia oblong, outwardly curved, many -nerved, 3 mm. long; 

 scales ovate, cuspidate. In woods, N. B. and Ont. to Manitoba, Va. and Wis. May- 

 July. 



113. Carex laxiculmis Schwein. Spreading Sedge. (I. F. f. 783.) Gla- 

 brous; blue-green and glaucous; culms filiform, ascending or diffuse 1.5-6 dm. 

 long. Basal leaves elongated, 6-10 mm. wide; bracts usually short; staminate spike 

 long-stalked; pistillate spikes 2-4, oblong, 6-12 mm. long, about 4 mm. thick, 

 drooping on long hair-like stalks or the upper short-stalked; perigynia ovoid- 

 oblong, 3-angled, many-nerved, about 2 mm. long, scarcely beaked, longer than 

 the ovate green cuspidate or short-awned scales. In woods and thickets, Me. and 

 N. II. to Out., Mich., R. I. and Va. May-June. 



114. Carex ptychocarpa Steud. Thicket Sedge. (I. F. f. 784.) Glabrous; 

 pale green and glaucous; culms very slender, smooth, 5-15 cm. tall ; basal leaves 

 4-8 mm. wide ; bracts foliaceous ; staminate spike small, sessile ; pistillate 

 spikes 2 or 3, the lower one often slender-stalked and nearly basal, all erect, 8-16 

 mm. long; perigynia oblong, pale, 3-angled, many-nerved, 2 mm. long, pointed at 

 both ends, minutely straight-beaked, the orifice entire; scales ovate, obtuse, about 

 one-half as long as the perigynia. In moist woods and thickets, Mass. and N. J. 

 to Fla. and La. June-Sept. 



115. Carex platyphydla Carey. Broad-leaved Sedge. (I. F. f. 785.) 

 Glabrous, pale green and glaucous; culms spreading or reclining, 1-4 dm. long. 

 Leaves flat, I-2.5 cm. v/ide; bracts linear-lanceolate with clasping sheaths; stam- 

 inate spike stalked; pistillate spikes 2-4, distant, erect, slender-stalked or the upper 

 one nearly sessile, several-flowered, 1-2 cm. long; perigynia oblong, 3-angled, 

 many -nerved, slightly bent at the summit, 2-3 mm. long; scales acute, cuspidate 

 or short-awned. In woods and thickets, Quebec and Ont to Mich. N H., Va. 

 and 111. May-June. 



116. Carex panicea L. Grass-like Sedge. Carnation-grass. (I. F. f. 

 786.) Glabrous, pale bluish green and glaucous; culms smooth, stiff, 2.5-6 dm. 

 tall. Leaves 2-4 mm. wide, the bracts much shorter and narrower; staminate 

 spikes I or 2, stalked; pistillate spikes 2 or 3, distant, filiform-stalked or the upper 

 nearly sessile, about 5 mm. thick; perigynia oval, about 3 mm. long, obscurely 

 3-angled, yellow, purple, or mottled, faintly few-nerved, with a short entire some- 

 what oblique beak; scales ovate, acute, purple or purple-margined. In fields and 

 meadows, N. S. to Me. and R. I. Nat. from Europe. June-July. 



117. Carex livida (Wahl.) Willd. Livid Sedge. (I. F. f. 787.) Glabrous, 

 pale green and very glaucous; culms erect, smooth, 2-4 dm. tall. Leaves 2-4 

 mm. wide, involute in drying; bracts narrow, usually short; staminate spike short- 

 stalked; pistillate spikes 1-3, I-2.5 cm. long, about 4 mm. thick, clustered at the 

 summit, cylindric, the third, when present, distant, stalked; perigynia oblong, 

 very pale, nearly 4 mm. long, finely nerved, straight, beakless, narrowed to an 

 entire orifice; scales ovate, obtuse or the lower subacute, rather shorter than the 

 perigynia. In bogs. Lab. and Hudson Bay to Alaska, south to Conn., the pine 

 barrens of N. J. , central N. Y. and Mich. Also in Europe. Summer. 



118. Carex aurea Nutt. Golden-fruited Sedge. (I. F. f. 788.) Glabrous, 

 light green; culms erect or reclining, 5-40 cm. long. Leaves flat, 2-3 mm. wide; 



