418 GRAMINACE^E. 



Moist woods. Can. and N. Y. ; common. May. f i\-. Culm 9 18 inches 

 high, slender, leafy. Leaves narrow, shorter than the culm, pale green. 



Narrow Sedge. 



101. C. miliacea MM. : sterile spike solitary, pedunculate ; fertile spikes 

 3, slender, cylindric, on filiform nodding peduncles ; perigynium ovoid, tri- 

 angular, nerveless, slightly rostrate, entire at the orifice, as long as the 

 ovate-lanceolate scale. 



Wet grounds. Can. to Geor. June. Q\.. Culm 1 2 feet high, slender, 

 leafy below. Leaves narrow, about as long as the culm, yellowish-green. 



Millet-like Sedge. 



102. C. lacustris Willd. : sterile spikes 24 ; fertile 23, erect, oblong- 

 cylindric, short-pedunculate ; perigynium oblong, many-nerved, subrostrate, 

 smooth, bifurcate, somewhat longer than the oblong mucronate scale. 

 C. riparia Muhl. 



Marshes. Can. to Car. June. 1\..Culm 35 feet high, stout, acutely tri- 

 angular, rough above, leafy. Leaves long, somewhat glaucous, green. 



Lake Sedge. 



103. C. capillaris Linn. : sterile spike single, small ; fertile spikes 2 3, 

 ovoid-oblong, about 6-flowered, loose, on long and recurved peduncles; 

 perigynium oval, short-rostrate, oblong, oblique, longer than the ovate-ob- 

 long obtuse scale. 



Alpine regions of the White Mountains, N. H. Dr. Robbins. Culms 27 

 inches high, in tufts, leafy at base. Leaves long and narrow, pale green. 



Capillary Sedge. 



104. C. panicea Linn. : sterile spike single ; fertile spikes 2 3, loose- 

 flowered, distant, the lowest long-pedunculate ; perigynium subglobose, 

 obtuse, entire at the mouth, a little larger than the ovate acute scale. 



Near Boston, Mass. Dewey. Culm a foot high, triangular, leafy at base. 

 Leaves shorter than the culm, light green. Farinaceous Sedge. 



105. C. binervis Smith : sterile spike single ; fertile spikes 3, oblong-cy- 

 lindric, somewhat dense-flowered; perigynium round-ovoid, short-rostrate, 

 bicuspidate, smooth, 2-nerved, twice as long as the ovate subacute glume. 



Near Boston, Mass. Dewey. Culm a foot or more high, triangular, leafy 

 near the base, pale green. Two-nerved Sedge. 



106. C. Greeniana Dew. : sterile spikes 12, erect ; fertile 23, oblong, 

 bracteate, pedunculate ; perigynium ovoid-lanceolate, triangular, nerved, 

 rostrate, bifurcate, about as long as the ovate cuspidate scale. 



Near Boston, Mass. ; rare. Dewey. Culm 1 2 feet high, scabrous above, 

 leafy towards the base, light green. Greene's Sedge. 



ORDER CXLVII. GRAMINACE^E. GRASSES. 



Flowers consisting of imbricated bracts ; of which the outer 

 (usually 2) are called glumes, the two inner immediately enclos- 

 ing the stamens, palea, and the 2 or 3 innermost at the base of 

 the ovary (sometimes wanting), scales. Stamens 1 6 or more, 

 but usually 3 ; anthers versatile. Ovary simple ; styles 2 or 3, 

 rarely united into 1 ; stigmas feathery or hairy. Pericarp mem- 



