CYPERACEAE 207 
. long, 1l mm. wide, little margined, little nerved, the rough beak at least 
half the on of the body.—Swampy Mic au acid o or neutral soils, various 
provinces, Fla. to La., Mich., and N. S.—Late spr.- 
VII. STELLULATAE Kunth. Densely cespitose. Culm triangular. Sheaths 
ikes 
not red-dotted or cross-rugulose. Spikes 2— or by reduction one, gynae- 
candrous or pistillate, or in a few species saints, not compound. Bracts 
inconspicuous. Perigynium plano-convex, with orbicular, ovate, or broadly 
oval bodies, green, yellowish-brown or brown 
spreading or reflexed at maturity, 2.5-4.5 
m. long, strongly spongy at base, sharp- 
edged nearly, if not entirely, to the rounded 
or truncate base, not dep nerved 
n the outer surface, nerved o eless on 
the inner, the beak as or big 
eut. T lenticular. Stigmas 2 
21. C. seorsa E. C. Howe. Culm 3-7 dm. tall, 
0 6 us bs ith 5-20 i pd wide ly 
spreading ponis seales orbieular-ovate, narrower and shorter than peri- 
gynia bodies: perigynium 2.5 mm. long, 1.5 mm. wide, deep-green, strongly 
nerved on both faces. [C. rosaeoides E. C. Howe.]— —Acid ji) woodlands, 
various provinees, Ga. to Ark., Ind., and Mass.—Spr.-early su 
22. C. Howei Mackenzie. Very densely cespitose in large pecu culm 2-7 
dm. tall, usually very weak: leaf-blades 0.25-1 mm. wide, more or less in- 
e terminal long-clavate at base, the lateral 4-6 mm. long and as wide, the 
5—10 perigynia a at length widely spreadin pc hte broadly ovate, whitish or 
long, 1.25 mm. wide. 
poss ue h green midvein: perigynium ov mm. 
[Carex eni (Fl. SE. U. S.) Not Ba Hoy T eid swampy sn 2 4 
coniferous), various provinces, Fla. to La., Vt., and N. S.—Spr.- 
23. C. Mohriana Mackenzie. Densely cespitose in large ‘clumps: culm 2~7 dm 
tall, very slender, usually weak: leaf-blades 1-2.5 mm. wide, ca naliculate, 
usually exceeding the culm: hea E .9 em. long, the eem 2-5, oa terminal 
inconspicuously staminate at bas ihe lateral suborbicular, 4-6 mm. long, the 
4—10 perigynia at length w widely spr ading: scales broadly ovate, white -hyaline 
except the green center: perigyni ovate, concave-convex, 2.25-2 . long, 
1.75 mm. wide.—Pinelands, acid soil, Coastal Plain, Fla. and Ala caro 
24. C. incomperta Bickn. Culm 2.5-6 dm. tall, wiry: leaf-blades flat or 
eanalieulate, 1.5-2.5 mm. wide: spikes 3—4, aggregated or lower slightly sepa- 
rate, the terminal 6—10 mm. long, clavate . base, the lateral 4—6 mm. long, 
suborbicular, with 6—15 spreading perigyn "i scales Pá ellowish-brown tinged, 
except the green midrib: perigynium 3 mm. long, 2 mm. wide, Strongly nerved 
on both sides, the body serrulate above. eid in d a n various provinces, 
N Fla. to Miss., Mi ch., and N. S.—Spr.-early s 
25. C. atlantica Bailey. Culm dm. ipe stiff, pidum Es base: leaf- 
blades flat or eanalieulate, 1.5-4 mm. wide: spikes 3- 5, r less separate 
or rarely aggregated, the. ium "8-15 n long. Eu davate at base, 
