CYPERACEAE | 147 
achene oval to oval-ovoid or somewhat obovate, s than 1.5 mm. long, or rarely 
larger, fully E as long as the scale.—Sandy, en moist, soil, Coastal Plain, 
S. C. and N. C. Introduced in Calif.—( W. I., "Mez., C. A, 0. W.) 
12. C. Careyi Britton. Plant annual, tufted, up to 1 dm. tall, pale-green: 
bracts of the involucre e elongate, mostly 1-2.5 mm. wide: spikele ts crowded in 
a head, Bie -elliptie to elliptic, 3-4 mm. long, HL or whitish: scales ovate, 
2-2.5 m ree ai abruptly sinu) appressed: achene ellipsoid or obovoid-ellip- 
soid. — Sandy oil, M. Fla. 
18. C. inflexus Muhl. Plant annual, tufted, up to 1.5 dm. Pr eee -green, 
fragrant: spikelets p gets linear- -elliptio dd elliptie, 3-9 . long, 
light- -brown: scales less than . long, er , the subulate awn much 
shorter than the o body: decem ue sper about 1 mm. long, ab- 
ruptly short-beaked, brown, less than 14 as long as the seale.—Damp to wet 
sandy soil, rocks, and shores, various provinees, Fla. to Tex., Calif, B. C., 
Sask., and N. B.—(Mez.) 
14. C. cuspidatus H. B. K. Plant annual, tufted, up to 1.5 dm. d oe 
green, licorice-scented: spikelets loosely capitate, linear, 0-12 mm. long, o 
curved, Peete dus about 2 mm. long, lax, the subulate awn s 
or S 
0. adl dark- 
o E eee m ih a long as the scale. [C. squarrosus (Fl. SE. 
S.) ]— y fields and pinclands Pace Plain, Fla. to Tex. and Ga. 
ED in 2 Coli f.— (W. I., Mex., C. A.) 
15. C. compressus L. Plant annual, tufted, up to 3.5 dm. tall, with the scapes 
sometimes reclining, light-green: spikelets loosely capitate, but stiff, narrowly 
om 
lanceolate or narrowly elliptic to linear, 7-2 ong, mainly greenish, often 
shining: scales ovate to m Pera A 3-3.5 mm, ong, somewhat o 
appressed: achene obovoid l mm. long, e apex, dull 
ed at t l-bro 
less than 14 as long as the scale.—Sandy io dus pinelands, and fields, Coastal 
Plain and adj. provinces, Fla. to Tex., Mo., and Pa.—(W. I., Mex., C. A., 
S. A., 0. m) 
: a L. Plant annual, up to 6 dm. tall, eee es s ds 
spikelets i in plume-like clusters, elliptic, mostly 5-10 mm. long, abou 
wide, yellowish or brownish: seales thin, er Or MR ern $n 
ong, mucronulate: achene elliptic-obovoid, 1-1.5 mm. long, abr uptly - pointed, 
as long as the scale or longer. —Swamps a nd cult. grounds, especially about rice- 
fields, Coastal Plain and adj. provinces, Fla. to Tex. and N. C.; also S N. Y.— 
N Asia 
T. legans L. Plant perennial, tufted, up to 7 dm. tall, pale-green: spike- 
lets A eer linear-elliptic, 6-12 mm. long, light tan-colored or pale- 
green: scales rhombic-ovate, 2.5-3 mm. lon ng, scabrous on the back, acute, d 
appressed: achene Mr UM S obovoid), fully 1.5 mm. long, gray, short- 
beaked, about % as long as the seale.—Sandy soil or marl, Key West and Big 
Pine Key, Fla.; also in Tex. Eun N. M.—(W. I., Mez., C. A. ) 
18. C. o Vahl. Plant perennial, up to 12 dm. tall, bright- or hie lee 
green, the oe ~ sp ikelets densely o linear- -elliptie to A 
lanceolate, 5- 12 . long, 2-3 mm. wide, yellow seales ovate, 2— 
long, obtuse: nd io fully 1 mm. long, the body d contracted at bot h ends, 
over 15 as long as the seale.—Moist slopes, swamps, and ponds, Coastal Plain, 
Fla. to Tex.—(W. I., Mes., C. A.) 
19. C. virens Miehx. Plant perennial, up to 15 dm. tall, often tufted, pale- 
green: spikelets crowded in rather large clusters, ovate to elliptic- ovate, rela- 
