SPECIES AND VARIETIES. 76 



(h) Fruits smooth ; larren spikes terminal, several. 



C. pendula : stems 3-6 feet high ; fertile spikes drooping, 

 4-6 inches long, cylindrical, densely flowered. — Damp woods. 

 FI. May. 



C. glauca: stems J-l^ feet high; fertile spikes two or 

 three, J-l inch long, more or less drooping ; fruit slightly 

 scabrous. — Damp places. Fl. May, June. 



(c) Fruits downy. 



C. prgecox : stem \-\ foot high ; barren spike solitary, 

 fertile spikes one to three, oblong-ovate, near together, ses- 

 sile, or the lowermost sometimes slightly stalked ; lowest bract 

 shortly sheathing, with a leafy point. — Dry heaths. Fl. April, 

 May. 



C. pilulifera : stems J-l foot high ; barren spike solitary ; 

 fertile about three, roundish, near together, sessile; lowest 

 bract with a leafy point, sheathless. — Wet heaths. Fl. May. 



tt ^eah of the fruit long, 2-toothed or hijld ; (nut three- 

 cornered : stigmas S). 



X Bracts sheathing, leaf-like ; beak of the fruit plano- 

 convex. 



C. flava : stems 6-12 inches high ; barren spike solitary, 

 cylindrical ; fertile ones about three, roundish-oval, subsessile, 

 near the barren, and often one lower down on a longish stalk. 

 — Wet places. Fl. May, June. 



C. sylvatica : stem two feet high ; barren spike solitary ; 

 fertile about four, distant, drooping, linear. — Damp woods. 

 Fl. May. 



C. hirta: stem l|-2 feet high; barren spikes two or three: 

 fertile ones two or three, remote, erect, oblong-cylindrical, 

 stalked. — Hammer-sedge. — Damp places. Fl. April. 



