414 * CYPERACE^. 



avoid, subtriquetrous, rostrate, minutely pubescent longer than the ovate- 

 mucronate scale. C. collecta Dew. 



Mountains. Mass. and N. Y. June. %.. — Culm 6 — 8 inches high, filiforni, 

 nearly decumbent. Leaves smoothish, pale green. New England Sedge. 



73. C. filiformis Lmn. : sterile spikes 2 — 3 ; fertile spikes 2 — 3, ovoid- 

 oblong, close-flowered, somewhat remote ; perigynium ovoid, short-rostrate, 

 bifurcate, about as long as the ovate acute scale. 



Marshes. N. Eng. N. Y. and N. J. W. to Mich. June. "K.—Culm 2—3 

 feet high, obtusely triangular, rigid. Leaves mostly radical, in a fuft, with a long 

 filiform point, pale green. Filiform Sedge. 



74. C. lanuginosa Mich. : sterile spikes 2 ; fertile 2 — 3, ovoid-cylindric, 

 remote, erect, nearly sessile ; perigynium ovoid, somewhat triangular, 

 woolly, short-rostrate, bicuspidate, about as long as the ovate-lanceolate 

 awned glume. C. pellila MM. 



Wet grounds. Can. . to Del. W. to Ohio. May. %. — Culm about 2 feet 

 high, nearly round below. Leaves flat, linear-lanceolate, rough on the margin. 



Woolly Sedge. 



75. C. vestila Willd. : sterile spikes 1 — 2. cylindric-oblong ; fertile 2, 

 ovoid-oblong, sessile, subapproximate, often staminate at the summit ; peri- 

 gynium ovoid, triangular, nerved, short-rostrate, pubescent, rather longer 

 than the ovate mucronate scale. 



Wet grounds. N. Y. and Mass. to Geo. ; rather rare. May. %. — Culm 

 about 2 feet high, acutely triangular, lea£y below. Leaves rough. 



Short Woolly Sedge. 



76. C. pitdescens MM. : sterile spike sessUe ; fertile spikes 3, oblong, 

 erect, rather loosely^ flowered, the lowest on a short peduncle ; perigynium 

 obovoid-triangular, rostrate, pubescent, nearly entire* at the orifice, a little 

 longer than tho ovate-oblong mucronate scale. 



Moist woods. Can. to Del. W. to Ohio. May. %.—Culm 12 — 18 inches 

 high, slender, leafy below. Leaves shorter than the culm, very pubescent. 



Pubescent Sedge. 



77. C. proRCox Jacq. : sterile spike single, erect, subclavate ; fertile spikes 

 1 — 3, oroid, bracteate, approximate, the lower one short-pedunculate ; peri- 

 gynivicft globose-ovoid, triangular, short-rostrate, aboiit as long as the ovate 

 mucronate scale. 



Rocky hills. Mass. Dewey. — Culm 2 — 6 inches high, leafy at the base. 



Early Dwarf Sedge. 



•f-ff Perigynium smooth, short, not inflated. Spikes darjc purple or black. 



78. C limosa Linn. : sterile spike solitary, pedunculate ; fertile spikes 

 1—3, ovoid or oblong, pedunculate, somewhat distant, pendulous; peri- 

 gyniu«n roundish-eUiptic, compressed, very short-rostrate, about as long as 

 the obloag or ovate cuspidate scale. C. lentictdaris and irrigua Dew. 



Swamps. Arct. Amer. to Del. June. 11-. — Culm 9 — 24 inches high, ob- 

 tusely triangular, yery smooth, leafy below. Leaves flat, narrow, somewhat 

 glaucous. Mud Sedge. 



79. C. rarijlora Smith : sterile spike single ; fertile spikes about 2, hnear, 

 lo«f*s-flowered, long-pedunculate, nodding ; perigynium ovoid-oblong, trian- 

 CriaUr, depressed, tt^ long as the ovate subcircinate (brown) scale. 



