v.r:.*:. 407 



Wet meadows and borders) of rills, common. Culm 2 to 4 feet high, sharply 

 angled, with pale leaves) about % kicii wiJe. Fertile spikes 2 to o inches long. 



27. C. stricta, Lam. 



jftorik spikes 1 to 3 : th ) ftriiit 2 to 4. cylin chrJeal, Blender, uunlly barren at the 

 summit, sessile or the lover on a short BtaHc; lo»;er bracts aurieled, seldom ex- 

 ceeding the eulm ; psrigynia ovate-acuminate or elliptical, with a short, entire, or 

 slightly notched point, usually shorter and broader than the reddish-brown scale. 



Wet meadows and b ramps, common. - '-'■< feet hi?h, slender sharply 



triangular, r rttw than the culms, narrow, rigid, rough and glau- 



cous, ftrows in large thick 



28. C. ALOPEOOIDEA, Tuckerraan. Fox-tail S'd/e. 



■ 1 of 8 to 10 aggregated spikes, oblong, dense; /w/t/y??, -'a compressed, obscure- 

 ly nerved, ovate, somewhat longer than the scale; iic'iot'ttm pyriform. 



Woods not common. Culm, 2 to 4 feet high, rough on the augles. Spike yellow- 

 ish-green. 



Sjc. n. Spikes pistillate at the summit 



•Stigmas 2. 



29. C Frasert, Sims. Freezer's S-'d/e. 



rigynium ovoid-subglobose, entire at the point, striate, 

 longer th in the oblong scale. 



Mountains. Calm about a f Jet high, sheathed at base. Leaves radical, broad, 

 wavy. Beck. 



30. C STELLULATA, Good. Star-like Scd'JC. 



Spilrs 3 to 5, distinct, obovoid or roundish at maturity; perigynia ovate, acumi- 

 nale, scabrous on the margin, at length spreading horizontally, longer than the 

 ovate aeute scale ; achznium oblong or ovate ; style slightly tumid at the base. (C. 

 scirppides, S 



Swamps and wet meadows, common. Culm 8 to 18 inches high, stiff, leafy be- 

 low. A variable plant embracing several nominal varieties, some of which occa- 

 sionally bear dioecious spik.es. 



31. C. SCOPARIA, Sclik. Broom -like S:dge. 



Spikes 5 to 8, club-shaped, at length ovate, more or less approximate, sometimes 

 forming a dens.' head; perigynia narrowly lanceolate, tapering into a long slender 

 beak, longer than the lanceoi; :i ic_ 



Low meadows, common. Culm 1 to 2 feet high, triangular rough above. Leaves 

 long and narrow. Spike brownish or straw-colored when ripe. 



32. C. lagopodioides, Schk. Har&a-foot Sedjc. 



Spflce 10 to 15, approximate, alternate and sessile; pe.rigyn.ia ovate-lanceelate, 

 twice as long as the ovate-lanceolate scale; achenium narrowly oval, on a short 

 J5talk. Var. cristata has the spikes closely aggregated, with the perigynia spreading. 



Wet fields, common. Culm 1 to 2]^ feet high, furrowed. Spike sub-cylindrie 

 when young. 



33. C. STRAMINEA, Schk. Straw-colored S"d<je. 



SpH.es about 6, roundish-ovoid, approximate; perigynia orbicular-ovate, much 

 .compressed, broadly and m •mbranaceously winged, somewhat longer than th» 

 lanceolate ocale ; achenium sessile, oval. 



Wet meadows, borders of woods and fields. A variable species, including ssverej 

 nominal species. 



