(0 Scirpus. TRIANDRIA MONOGYNIA. 929 
| v the seeds and jointed culm, will, 1 think, render it a A well 
marked and distinct t fpe 
30. S. strictus. R. 
Cuius straight, from twelve to eighteen inches high, culummar, 
Vrubel compound. Involucres chaffy ; scales: obtuse, diandrous and 
roundish, compressed. l 
Grows ona moderately dry, hard, barres, sandy soil. ) 
. Root fibrous.— Cuims straight, naked, rigid, from twelve to eigh- 
teen inches high, round, very smooth. — Leaves radical, short, rigid, 
but smooth.—Umbel terminal, sometimes decompound; contracted, 
seldom more’ than two inches long, and one broad.—Involucre from 
» two'to four, small, chaffy, tapering sheaths.—Spikes ovate, small, 
many-flowered. —Scales with a broad, white, membranaceous bors 
der.— Stamens two.— Stigma two-cleft.—-Seed much Compre 
ies, dotted with brown. 
` 97. S. brevifolius. R. 
~“ Culms erect, from six to eight inches high, semi-culumnar. Un. 
bel decompound ; involucels chaffy ; scales cuspidate, monandrous. 
Stigma bifid. Seeds obcordate, striated. ES 
. Is found generally on low sandy pasture ground. 
Root fibrous.—Culms, erect, mostly naked, from six to eight 
ches high, flat on one side and rounded on the other. —Leaves 
sheathing, short.—Umbel terminal, decompound.— Involucre from 
_ two to three-leaved, shorter than the umbel.— Spikes small, oblong; 
while young sessile, but when old appearing peduncled, the scales 
and seeds gradually dropping off and. leaving ! the ‘rachis naked.— = 
Scales keeled and pointed.— — Stamen single. — Style. broad, enlarg-- 
ed at ihe base ; above, the margins are hairy. Stigma. two-cleft 7 
Seeds obcordate, convex on the outside, flat on the inner, . é e, 
striated. a 
Obs. The single stamen and. striated seed are the es 
buy 
Xa, TE nich resembles Rottboel’s x7 of Sedi ho t 
E os 
* 
