150 MONOECIA, TRIANDRIA. 
34r. GAREX. Gen. pi. 1407. {Cypermdes.') 
Flowers imbricated in an ament. Masc. C«- 
lix of a single scale. Corolla none. Fem. 
Calix also of 1 scale. Corolla ventricose, 
monopetalous, bidentate at the apex. Stig- 
mas S and 3. J^ut triquetrous, included 
in the persistent corolla, (or utriculus.) — 
J\Tutt. 
§ 1. Stigmas mostly two. 
f Spikes dioicous. 
steriiis, 1 . c. spikes about six; fruit ovate, compressed- 
triquetrous, acuminate, recurved and bi-cuspi- 
date at the top; margin ciliate-serrated. — 
mild. 
Icon. Schk. Car. t. Mmm. f. 146. (Pursh.) 
Barren Sedge. 
In damp places and meadows, common. Perennial. May. 
f Spikes androgynous. 
* Spike 1, the summit masculine. 
cephaiopho- £. C. spikes ill an elliptical form ; fruit ovate, 
compressed, bifid, margined, ciliate-serrated 
above.— 
C. typhina, Mich. 
Icon. Schk. Car. t. Hhh. f. 133. 
Headed Sedge. 
In woods, not unfrequent. Perennial. June. 
squarrosa. s. C. Spike simple androgynous, cylindrical : 
masculine below; capsules imbricated, hori» 
zontal. — Sp. PL 
