CYPERACEAE 193 
55. C. hermaphroditus (Jaeq.) Britton. Plant perennial, up to 8 dm. tall, 
often spari ngly bou puri a T a baa to ig dric: aera 
wid 
lets linear-subul , 5- ong, les e, green or yellowi 
scales mainly clint, fully pe m. lon s ud jn A dde appressed cies 
on .1.5-2 mm. long, m mco fully 14 as long as the scale.—Wet 
am-banks and. eas Coastal Plain, Ala.—(W. I., Mez., C. M 5. A.) 
56. C. dissitiflorus Torr. Plant perennial, up to 9 dm. tall, sometimes spar- 
ingly tufted, bright-green: spikelets linear-subulate, 5-8 mm. long, 1-1.5 mm. 
wide, chest tnut- colored: scales ovate to elliptic, 2.5-3 mm. lon ng, or 
abruptly pointed at o Aa clos nd imbrieate: achene ellipsoid Or cp 
broadened upward, long, abruptly pointed, fully 12 as long as the 
scale.—Sandy soil ae vi EA Coastal Plain, Fla. to Tex. 
57. C. tetragonus El. Plant p 2-11 dm. tall, often solitary: n 
year es em. long, not dense: spikelets linear- elliptic js biu de 3-6 m 
ong, 1. wide, chestnut- ere scales oblong. t ate, 2.5-3.5 mm. 
long, eee or mucronate, loosely appressed: achene ellipsoid, nee broadly 
, 2 mm. long o r nearly so, often slightly curved, much shorter than the scale. 
Des sandy soil, swamps, and ha mmocks, Coastal Plain, Fla. to Tex. and 
N. C. 
C. multifiorus (Britton) Small. Plant perennial, 2-7 dm. tall, tufted or 
Rem bright-green: round S erowded in short often depressed capitate 
spikes, linear, M 10-25 mm. long, fully 1.5 mm. uea flat, green: scales 
numerous, ovate to elliptic-ovate, the lower de 2-2.5 mm. long, ’ the u upper 3—4 
mm. long, obscurely mucronulate, lax, the tip, at Pen somewhat spreading: 
achene ellipsoid, E inequilateral, ded 1.5-2 mm. long, abruptly pointed 
at the apex, constricted at the base, the lower ones nearly as long as the scale, 
the upper fully 14 as long. —Sandy soll, Coastal Plain, Fla. to Tex.—(W. I.) 
59. C. filiculmis Vahl. Plant perennial, 1-6 dm. tall, the scapes sometimes 
reclining: spikes capitate, all sessile in the involucre or some slender-stalked: 
spikelets linear, 9-21 mm. long, 2-3 mm. wide, 8-16-flowered, (4—8-flowered and 
wis r pale- 
ets 3-8 mm. b in C. fili e 
green: scales ovate or elliptic, rae mm. long, often mucronulate, loosely ap- 
pressed: achene obovoid, about 2 mm. long, abruptly pointed, fully 14 as long 
as the scale.—Dry ste rile, ao “soil, and fields, various provinces, Fla. 
Tex., Minn., Ont., and N. 'H.— (Mes -) 
60. C. Blodgettii Torr. Plant t perennial, 1-3 dm. tall, tufted, bright-green: 
spikes capitate, all sessile in the o koyar slender- stalked : spikelets 
peta to hee inia 6-8 mm. long, 1.5 wide, chestnut-colored: scales 
ov ly 2-2.5 mm. long, ai or slightly mu dede rather 
oo PAA achene ellipsoid or slightly obovoid, 1—1.5 mm. long, abruptly 
pointed, much over 15 as long as the scale rau soil in hammocks, . Upper 
Matecumbe Key and Key West, Fla. 
61. C. fuligineus a Plant perennial, 1-4 dm. tall, pu the leaf- 
sheaths blackish: spikes capitate, sessile in the Eon od 1-1. 5e in diameter: 
spikelets linear or linear-elliptie, 4-11 em. long, 1.5-2 mm. wide. dark-brown: 
scales oval or ovate, abou mm. ia rounded or mucr ronulate, appressed: 
achene ellipsoid-obovoid or broadly ellipsoid, 1-1.5 mm. long, abruptly pointed, 
fully % as long as the scale—Rocky soil in hammocks, Key West, Fla.— 
(W. I.) 
62. C. tree Sw. p perennial, 1.5-12 dm. tall, solitary or clustered, 
the scapes s spikes sessile terminal head or on unequal stalks, rather 
lax: Se je or e co 9-17 mm. long, 2-3 mm. wide, chestnut- 
