194 TRIANDRIA MCNOGYNIA, - Cyperus, 
' ehesnut duos. — Leaves sheathing, two or three embracing the base 
of each culm and about the same length. Head terminal, ses- 
sile, composed generally of one large capitulum in the centre, and 
four or five in the circumference; these are again composed of 
small, incurved, from eight to twelve-flowered spikes. Involucre - 
many-leaved ; the exterior three larger, being as long as the culm or - 
longer.—Stigmas two, revolute. Seed three-sided. 
9. C. squarrosus. Linn. Sp. Pl. ed. Willd. 1. 274. 
-Culms erect, from four to six inches high, leaves as Jong as the - 
culms. Mead terminal, glomerate, round. Involucre many-leaved, n 
Scales with acute, recurved poiuts. 
C. pygmaus. Rottb. gram, 90. t. 14. f. 4. 
A native of Coromandel. ~ 
10. c. aristatif. Linn. Sp. PI. ed. Willd. 1. 275. Rottb. gram. 
93. t. 6. f i. 
Culm from three to six inches high, with chap: angles. - - Heads 
generally single, and sessile ; scales with a long recurved point. In- 
wolucre three-leaved. 
Scirpus intricatus. Mant. 182. ! 
A native of moist pasture ground. Ttis in general from three 
to six inches high, though sometimes I have met with luxuriant 
specimens ten inches in height. $ 
Root fibrous.—Culms erect, from three to six inches high, three- 
` sided, two-thirds naked, smooth; angles sharp. — Leaves sheathing, 
erect, short, smooth ; sheaths purple.— Head generally simple, and 
sessile, though sometimes, there i is a second, which is peduncled 
; and in the larger plant above mentioned there are two or three ses-- 
sile, and two or three peduncled, they are composed of small, ses 
sile, ragged, from. six to eight-flowered spikelets.—Jnvolucre three 
or four-leaved, broad, unequal, the largest being about the length of 
.. theculm.—Calyz, scales tapering to a long, fine recurved point, which 
_ gives the spikes the ragged appearance they have, Seed three-sid- 
