336 Class XXI. Order III. 



CAREX SPARGANIOIDES. Burr Reed Sedge. 



Spikes androgynous, many flowered, about eight, 



ovate, rather approximated ; fruit ovate, compressed, 



margined, bifid, ciliate-serrate at the edge, horizontal. 



A tall sedge with a long interrupted spike. Ditches and wet 

 grounds. May, June. Perennial. 



CAREX SCOPARIA. Brown Sedge. 



Spikes androgynous, about five, alternate, elliptical, 

 obtuse, subapproximate ; fruit ovate-lanceolate, mar- 

 gined, two pointed ; bractes oblong, mucronate. 



Rather below the middle size, with a few small, sessile, oval 

 spikes or heads near together. In moist and sometimes dry 

 ground. June. Perennial. 



CAREX CURTA. Loose Sedge. 



Spikes androgynous, about six, alternate, cylindrical ; 

 fruit ovate, flat and convex, rather acute, entire at the 

 mouth, longer than the ovate, acute scale. 



Forms tufts in wet meadows. June.> Perennial. 

 CAREX C.ESPITOSA. Turfy Sedge. 



Barren spike one ; fertile spikes about three, cylin- 

 drical, obtuse, distant, the lower one with a short ex- 

 serted peduncle ; fruit ovate, obtuse, longer than the 

 oblong, obtuse scale. 



Slender, with dense, hard, blackish spikes. Forms tufts in 

 boggy meadows. Common. May. Perennial. 

 CAREX CRINITA. Chaffy Sedge. 



Barren spikes two ; fertile spikes four, distant, pe- 

 dunculated, pendulous, cylindrical ; fruit roundish- 

 elliptical, ventricose, short-beaked, entire at the mouth, 

 shorter than the oblong awned scale. 



About three feet high, distinguished by its very long, pendu- 

 lous, bristly spikes. In wet swamps and ditches. May, June. 

 Perennial. 



