218° TRIANDRIA MONOGYNIA, Scirpus, 
Involucre two-leaved, unequal, erect, shorter than the um- 
bel. Filaments three, broad, and. membranaceous. Style 
broad; margins fringed. Stigma two-cleft, Seed obcordate, 
compressed, smooth, light brown, 
17, C. pectinatus. R. 
Culms from three to four feet high, culumnar. Pasicke 
Jateral, just below the straight subaditte apex of the culm. 
Scales daggered. Stigma two-cleft. Seed roundish, beset with 
four pinnate bristles. 
Grows chiefly in marshy places, where the soil is sandy. » 
Root fibrous. Culms erect, from three to four feet high, as 
thick as a quill, naked, round, smooth, Leaves no other than 
a sheath or two round the base of each culm. Umbel lateral, 
about its own length below the apex of the culm, compound, 
rarely decompound, bowing. Spikes oblong. Involucre no 
other than the termination of the culm, which is erect and 
about as long as the umbel, Seales chaffy, daggered. Stig- 
ma two-cleft, Nectarial bristles two on each side of the germ 
they are beautifully pinnate, and permanent. Seed obovate, 
compressed, smooth, brown, embraced by the nectarial_bris- 
“18. S. etna R. 
Culms, from six to nine iuchen Lick, aalmahed Gera, sidetta ae 
Unmbel terminal, compound ; involucre chaffy ; Sowers mo 
nandrous. Seed obovate, triangular, « - 
A native of pasture ground, ; 
Root: fibrous. Culms erect, from six to nine inches n> his y 
_ naked, somewhat five-sided, slightly striated, otherwise 
smooth. Leaves no other than a sheath or two. Umbel termi- 
nal, compound, small, erect. Involucre, a few small chaffy 
scales, with long tapering points, Stamens single, Stigma 
three-cleft. Seed somewhat three-sided, white, scabrous: 
