354 CYPERACEAE. 



186. Carex Deweyana Schwein. Dewey's 

 Sedge. (Fig. 856.) 



Carex Deiceyana Schwein. Ann. Lye. X. Y. i: 65. 1824. 

 Pale green, culms slender, spreading, nearly or 

 quite smooth, i-2 long. Leaves \"-\}' 2 " wide, 

 flat, soft, shorter than the culm; bracts bristle-form, 

 the lower commonly elongated; spikes 3-6, oblong 

 or subglobose, few-flowered, about 2^ // in diam- 

 eter, sessile, distinctly separated or the upper ones 

 contiguous; staminate flowers basal; perigynia lan- 

 ceolate or ovate-lanceolate, thin, nerveless, 2 // -2^ // 

 long, rather less than i // wide,' the inner face flat, 

 the tapering rough strongly 2-toothed beak at least 

 one-half as long as the body; scales nearly white, 

 hyaline with a green midvein, cuspidate or acute, 

 equalling the perigynia, or shorter; stigmas 2. 



In dry woods, Nova Scotia to Manitoba and Oregon, 

 south to Connecticut, Pennsylvania, Michigan, New 

 Mexico and Utah. May-Juty. 



187. Carex bromoides Schk. Brome-like Sedge. (Fig. 857.) 



C. bromoides Schk. Riedgr. Xachtr. 8. /. 176. 1806. 



Bright green, culms slender, erect or reclining, 

 roughish above, i-2 long. Leaves \" wide or 

 less, flat, soft, equalling or shorter than the culm; 

 bracts subulate or bristle-form, the lowest com- 

 monly elongated, sometimes overtopping the spikes; 

 spikes 3-7, narrowly oblong-cylindric, 4 // -8 // long, 

 about \%" thick, erect or ascending, mostly close 

 together, loosely several-many-flowered, the stam- 

 inate flowers either basal, basal and terminal, or 

 forming whole spikes, the plant occasionally quite 

 dioecious; perigynia linear-lanceolate, firm, pale, 

 strongly several-nerved, 2 / '-2^ // long, y z ' f wide, 

 the inner face flat, the tapering rough 2-toothed 

 beak at least one-half as long as the body ; scales ob- 

 long-lanceolate, green, acute or acuminate, shorter 

 than the perigynia; stigmas 2. 



In bogs and swamps, Nova Scotia to Ontario and 

 Michigan, south to Florida and Louisiana. June-Aug. 





188. Carex pratensis Drejer. 



Northern Meadow Sedge. (Fig. 858.) 



Care.v pratensis Drejer, Rev. Crit. Car. 24. 1841. 

 Light green, culms slender, erect when young, 

 the summit later nodding, nearly smooth, i- 

 i^ tall. Leaves about i // wide, shorter than 

 the culm, but the upper sometimes overtopping 

 the spikes; lower bract bristle-form, usually 

 short; spikes 3-6, oblong or club-shaped, sepa- 

 rated or the upper contiguous, silvery -brown and 

 shining, 3 // -5 // long, about 2^" in diameter, 

 several-flowered, the staminate flowers basal; 

 perigynia lanceolate, thin, pale, nerveless on the 

 inner face, few-nerved on the outer, 2*2" long, 

 nearly i" wide, wing-margined, tapering into a 

 beak nearly as long as the body; scales mem- 

 branous, lanceolate, acute or acuminate, about 

 as long as the perigynia ; stigmas 2. 



Labrador to western Ontario, Michigan. Manitoba 

 and Alaska, south in the Rocky Mountains to Col- 

 orado. Summer. 



