SEDGE FAMILY. 321 
Carex ténuis eréctior Britton. 
Carex debilis var. strictior Bailey, Mem. Torr, Club, 1: 34. 1889. Not C. stvictior Dewey, 1846. 
Mostly taller and stouter than the type, and erect; leaves about 2'’ wide; pistillate spikes erect 
or but slightly spreading; perigynia 2%" long, one-third longer than the scales. White Mountains. 
88. Carex oblita Steud. Dark-green Sedge. (Fig. 758.) 
Carex oblita Steud. Syn. Pl. Cyp. 231. 1855. Ss yA 
Carex glabra Boott, Il. 93. 1860. EE \ 
Carex venusta var. minor Boeckl. Linnaea, 41: 255. 1876. 
Glabrous, culms slender, erect or reclining, sharply 
3-angled, smooth or very nearly so, 1°-3° long. 
Leaves 2//-2 14’ wide, shorter than the culm, slightly 
rough; lower bract similar to the culm-leaves but nar- 
rower, sometimes overtopping the spikes; staminate 
spike solitary, filiform-stalked, sometimes partially 
pistillate; pistillate spikes 3-5, narrowly cylindric, 1/— 
2%’ long, about 2%4’” thick, loosely flowered, slender- 
stalked, the upper mostly close together and spreading 
or ascending, the lower distant, drooping; perigynia 
dark green, 3-angled, glabrous, 3’’ long, less than 1/’ 
thick, ascending, rather strongly many-nerved, taper- 
ing into a short 2-toothed beak; scales obtuse, about 
one-third the length of the perigynia; stigmas 3. Prk 
In bogs, central New York and Pennsylvania to New Jersey and North Carolina. June-Ang. 
89. Carex grisea Wahl. Gray Sedge. (Fig. 759.) 
2 Carex grisea Wahl. Kongl. Vet. Acad. Handl. (II.) 
24: 154. 1803. 
Glabrous, culms rather stout, erect or somewhat 
spreading, smooth or nearly so throughout, 1°-2 4° 
long. Leaves light green and sometimes slightly 
glaucous, flat, 2/’-314’’ wide, the basal shorter than 
or equalling the culm; bracts similar to the leaves, 
spreading, much overtopping the spikes; staminate 
spikes solitary, sessile; pistillate spikes 3-5, dense, 
oblong, several-many-flowered, 4’/-12’’ long, about 
2/’ thick, the upper usually sessile and close to- 
gether, the lower slender-stalked and distant; peri- 
gynia oblong, 214’ long, 1/’ thick, nearly terete or 
irregularly angled by overlapping, subacute but 
beakless, finely many-striate, longer or the lower 
equalling or shorter than the ovate scarious-mar- 
gined cuspidate or awned scales; stigmas 3. 
In woods and thickets, Maine to Ontario and Minne- 
sota, south to North Carolina and Kansas. May-July. 
go. Carex amphibola Steud. Narrow-leaved Sedge. (Fig. 760.) 
Carex amphibola Steud. Syn. Pl. Cyp. 234. 1855. — 
Carex grisea var. angustifolia Boott, Il. 34. 1858. 
Carex grisea var. (?) rigida Bailey, Mem. Torr. Club, 1: 
56. 1889 
Glabrous, culms very slender, slightly scabrous 
above, erect, or spreading, 1°-2° long. Leaves 1//— 
2/’ wide, mostly erect and somewhat rigid, the basal 
shorter than the culm; bracts similar to the upper 
leaves, erect, not over 1/’ wide, overtopping the 
spikes; staminate spike solitary, short; pistillate 
spikes 2-4, erect, %/-1/ long, less than 2’ thick, 
loosely several-flowered, the upper sessile, the lower 
on long filiform stalks; perigynia oblong or obovoid, 
firm, pointed but beakless, 3-angled, many-striate, 
more or less 2-ranked, 2/’ long, about 1’ thick, 
longer than or the lower equalling the ovate scarious- 
margined awned spreading scales; stigmas 3. 
In dry soil, New Jersey and Pennsylvania to Ohio and 
Missouri, south to Florida and Texas. April-June. 
