228 FLORA. 



shorter than the culm, usually less than 2 mm. wide, tapering to a very long tip ; 

 spikes 4-6, oval, obtuse, greenish brown, 8-10 mm. long, commonly much con- 

 tracted at the base ; perigynia ovate to ovate-lanceolate, strongly several-nerved 

 on both faces, wing-margined, the tapering rough beak more than half as long as 

 the body ; scales lanceolate, about as long as the perigynia, but much narrower. 

 In wet soil, common along brackish marshes, Me. and Ont. to Va. and La. 

 Reported from Iowa. May-June. 



Carex tenera invlsa (W. Boott) Britton. Spikes smaller, subglobose or short-oblong, 

 not more than 6 mm. thick, the lower one usually subtended by a filiform bract 1-8 cm. 

 long. Me. to Del. 



201. Carex festucacea Willd. FESCUE SEDGE. (I. F. f. 871.) Culms nearly 

 or quite smooth, erect, 0.3-1.2 m. tall. Leaves erect, 24 mm. wide, shorter than 

 the culm; spikes 3-8, green-brown, oblong or nearly globular, clustered, 4-8 mm. 

 in diameter ; perigynia orbicular or very broadly ovate, broadly wing-margined, 

 about 3 mm. in diameter, several-nerved on both faces, the rough ish beak about 

 one-third the length of the body; scales acute or obtusish. In dry or moist soil, 

 N. B. to Assiniboia, Neb., Fla. and Kans. May-July. 



202. Carex alata Torr. BROAD- WINGED SEDGE. (I. F. f. 872.) Culms 

 erect, roughish above, 0.3-1 m. tall. Leaves 2-4 mm. wide, shorter than the 

 culm ; spikes oblong or oblong-conic, green-brown, 10-16 mm. long, 8-IO mm. 

 thick, usually little separated, bractless, or the lower one subtended by a short 

 bract ; perigynia orbicular or obovate-orbicular, very broadly winged, 4-5 mm. in 

 diameter, faintly few-nerved or almost nerveless, the short beak not more than one- 

 fourth as long as the body ; scales lanceolate, acuminate, scarcely over 0.5 mm. 

 wide ; achene distinctly stipitate. In moist soil, N. H. to Penn. and Fla., mostly 

 near the coast. Reported from Iowa. May-June. 



203. Carex albolutescens Schwein. GREENISH-WHITE SEDGE. (I. F. f. 

 873.) Similar to the preceding ; culms 0.3-0.5 m. tall, stout. Leaves 2-4 mm. 

 wide, shorter than the culm; bracts filiform or wanting; spikes 3-8, oblong, usually 

 narrowed at both ends, silvery green when young, becoming brownish, 8-12 mm. 

 long, clustered; perigynia broadly ovate, not twice as long as wide, broadly winged, 

 strongly nerved on both faces, about 4 mm. long, the roughish beak about one-third 

 as long as the body ; scales lanceolate, acuminate ; achene nearly or quite sessile. 

 In wet soil, abundant along salt meadows, N. B. to Penn. and Fla. May-July. 



204. Carex Bicknellii Britton. BICKNELL'S SEDGE. (I. F. f. 874.) Culms 

 0.51 m. high, rough above, much longer than the leaves. Leaves mostly nearly 

 basal, 3-5 mm. wide ; bracts usually very short ; spikes 3-7, ovoid, subglobose, or 

 somewhat obovoid, 8-12 mm. long, silvery green or becoming yellowish; perigynia 

 very broadly ovate, thin, several-nerved on the outer face, 4-6 mm. long, the broad 

 membranous wing I mm. wide, the rough 2 -toothed beak one-fourth to one-half as 

 long as the body ; achene stalked. In dry soil, N. Y. to Minn., Mo. and Kans. 

 June-July. 



205. Carex sychnocephala Carey. DENSE LONG-BEAKED SEDGE. (I. F. f. 

 875.) Culms quite smooth, 0.7-5 dm. high- Leaves about 2 mm. wide ; lower 

 bracts similar, much elongated, 0.73 dm. l n S' nearly erect; spikes 4-10, oblong, 

 densely many-flowered, aggregated and confluent into an oblong or ovoid head 

 3 cm. long or less; perigynia linear-lanceolate. 5-6 mm. long, about I mm. wide at 

 the base, tapering into a subulate rough 2-toothed beak 2-3 times as long as the 

 few-nerved body ; scales linear-lanceolate, long-acuminate, shorter and rather 

 narrower than the perigynia. In meadows and thickets, Ont. and N. Y. to Mani- 

 toba, Iowa and Br. Col. July-Aug. 



Order 4, PRINCIPES, including only the family Palmaceae, 

 Palms, and Order 5, SYNANTHAE, including only the family 

 Cyclanthaceae, are not represented in our territory. 



