418 GRAMINACE^. 



Moist woods. Can. and N. Y. ; common. May. %-.—Culm 9—18 inches 

 high, slender, leafy. Leaves narrow, shorter than Uie cuhn, pale green. 



Narrow Sedge. 



101. C, miluicea Midil. : sterile spike solitary, pedunculate ; fertile spikes 

 3, slender, cylindric, on fiUforra 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. %. — Culm 1 — 2 feet high, tilender, 

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



Millet-like Sedge. 



102. C. lacuslris Willd. : sterile spikes 2 — 4 ; fertile 2 — 3, 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. %. — Culm 3 — 5 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. Rohbins. Culms 2 — 7 

 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, %afy 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 

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



106. C. Greeniana Dew. : sterile spikes 1 — 2, erect ; fertile 2 — 3, oblong, 

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

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



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

 leafy towards the base, light green. Greeners Sedge. 



Order CXLVII. GRAMINACE^.— Grasses. 



Flowers consisting of imbricated bracts ; of which the outer 

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

 ing the stamens, palecB, 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- 



