Cc. retrorsa Schw, Caespvitose, the culms 50-100 em, tall, 
mostly smooth; leaves appreciably exceeding the culms, commonly 
5-10 mm. wide, scabrous on the margins, thin and flaccid, some 
roughenec by transverse septa; staminate spikes 1-3, commonly 
1.5-2.5 cm. long, slender: pistillate spikes commonly 3-5, 
evlindrical, commonly 2-5 cm. long, erry rs at least the 
lower verigynia reflexed, the upper spreading; scales of 
staminate snikes lanceolate with a green midrib, acute, 5-6 mm, 
long, those of the pistillate spikes oblong-elanceolate, mostly 
acute, thin and scarious, narrower than the perigynia and usually 
shorter; perigynia green or straw-color at the base, ovate, and 
@ somewhat inflated, membranous at the base, rather abruptly 
acuminate into a beak 2.5-3 mm. long which is sharply bidentate 
at the apex, the teeth erect, about .5 mm. long; achenes 
triangular; stigmas 3. 
To be exvected in swamvy ground at lower elevations. 
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