Carex Virescens Muhlenberg, p. 67

119 Carex virescens, Muhlenberg

Syn. C. costata, Schw.

Sterile spike solitary, fertile at the summit;
fertile spikes oblong or cylindrical, on short
stalks, erect; perigynia ovate, hairy, rather
longer than the ovate, mucronate, pubescent
scale; achenium ovate, smooth, sharply triangular;
leaves and sheaths hairy. Culms one to three
feet high; flowers in May. Borders of
woods &c

Plate X fig 5 -- a, Head of spikes; b,
perigynium; c, section of the same;
d, scale;
e, achenium.

Illinois, Southern Indiana, Ohio, and
Michigan. Extends Eastward to N. England.