CYPERACEAE 209 
30. C. Longii Mackenzie. Culm 3-8 dm. tall, bur A. 2 ee es above: 
leaf-blades e mm. wide: spikes 3—10, aggregated o what separate, 
6—12 mm. long, 46m m. Men silvery. is or in p cr DAE eli the 
lateral ages or little clav at base: bracts cp ar perigynium 
appresse 5 mm. long, 2 mm. wide, Dd on both faces, firm, the serru- 
late beak one-third length of body or less: seale nearly e equalling ponte 
en acid soil, Coastal Plain and adj. eaves Fla. to Tex. and Mas 
—(W. I., Mer., C. A., S. 4.) —Late spr.-sum 
31. C. dig pues Rey Culm 2.5-9 dm. tall, very disse Hip ins above 
leaf- P a wide: oa 3-10, ager egated or r less PEAK 
ovoid, ,.4.5-6 m wide, rounded at bon eai or rounded 
at D E. ps pid s inconspicuous; hale en Su iade dr 3.5 
half the length of the body, the scale pe aline, greenish-tinged and narrower 
and shorter than the perigynium. . albolutescens iU iss Edi: 
woods, various provinces, Fla. to Tex., Ind., and N. S.—Late spr.— 
C. alata Torr. Culm 3-12 dm. tall, rather stout, slightly Qn above: 
leaf- osa 2—4 mm. wide: spikes 5-8, more or less aggregated, 8-16 mm. long, 
6—10 e ba 
c 
Or erm point ted at apex, whitish-green or in age brownish-green: brae d ex- 
cept the lowest, inconspicuous: perigynium nisi oan R ee: g, 4—5' mm. long, 
nerved dorsally, faintly nerved ventrally, abruptly contracted into a viui 
serrulate beak 14 the len pros of. bo dy, the jd ndi what shorter and 
much narrower than the perigynium.—Moist meadow ar the coastal salt 
marshes or in calcareous districts inland, Coastal Plain icd adj. provinces, Fla. 
to Tex., Ind., and N. H.—Spr.-early 
33. C. normalis Mackenzie. Culm 3-15 dni. tall, roughened above: spikes 
4-10, from e A more or less moniliform, greenish or brownish, Æ 
lon is DE lowest inconspicuous: perigyni 
Sicque i thie eki sh, 1. pa wide, few-nerved ventrally, ie the serrulate 
beak less.than half the ju of the P longer than the scale. [C. mi 
iini rr ]—Dry M orar in neutral or calcareous BUE various pro- 
, N. C. to Okla., Man., and Que.—Late spr.-sum. 
rie D Mia cid Schk. Culm slender, 5-10 dm. tall, eae above: spikes 
oniliform, 6-16 mm. long, 5-6 mm. wide, ens ed a e : bra < p 
en jen incons icuous: perigynium 3.5 mm. long, e, gre 
in age straw- colored, appressed-ascending, the body thick, TO UE "eb 
on both sides, the hos k a. A long, strongly serrulate, exceeding the ovate, 
acute scale: achen E ovoid, 1.5 mm. long, nearly 1 mm. NEAL oil, 
various provinces, N. C. MN La., Ind., and Mass.—Spr en sum 
35. C. brevior (Dewey) Mackenzie. Culm rather stout, 3-9 dm. tall, slightly 
roughish above: leaf-blades Map e: spikes 3-10, approx imate or 
or less separate, 7-14 mm. lon —9 wide, oblong or ede ra iode 
or clavate at the base: hace inconspicuous: perigynium at spreading 
or ascending, 2.5-3.5 mm. wide, with the serrulate beak a the “length of body, 
longer and wider than the scale: a ne suborbicular, 2.5 . long. [C. festu- 
cacea (Fl. SE. U. S.)]—Dry fields and open places in Nri or neutral 
soils, various provinces, Tenn. to Tex., N. M., B. C., and N. B.; rare S.—S 
36. C. reniformis (Bailey) Small. Culm 3-9 dm. tall, roughened La leaf- 
a — 5 mm. wide: spikes 3-6, eres or i separate, 6-10 mm. lon ng, 5-8 
suborbicular, eee da e base and apex, gr eee ‘bra cts in- 
R a: perigynium Du iun. very abruptly beaked, with 
