mos 
SEDGE FAMILY. 361 
There are numerous uae speci ies of Cyperus, in the U. States ; but 
the foregoing are the m ost important for the Agric sea? te be ac- 
quainted with. The Papyrus—which ee ancients used, writing 
= prior to the manufacture of a ie aries m rags—was sites from 
a species of this genus, viz: C. P. wit 
2. SCIR’PUS, L. Burrvsy. 
[An ancient Latin name for the Bul-rush,—which belongs to the genus.] 
r 
ber of the styles or stigmas. Culms mostly simple, triangular or terete, 
n with leafless sheaths. Spikes either solitary, conglomerate or co- 
rymbose, terminal or lateral. 
. pun ‘gens, Va triquetrous, nearly leafless ; spikes ovoid- 
oblong (1-5), na dense ‘chaktee long overtopped by the pointed = 
ucral leaf; scales ae emarginate, mucronate ; bristles 2-6, 
slender, shorter than the aken 2, united b 
ne fe aia Masa ubseur uesis, ine abruptly acuminate. 
SHarp-rorntep Scrrrus. Chair-maker’s Rush. 
Root (or rhizoma) creeping. Culm 2-4 or 5 feet high, cuspidate at summit, acutely 
tri sb casing naked and smooth, sheathed at ig Si y—the sheat -_ often Nara” a few short 
ee leave: Sy) nearly sessile, in a dense lateral cluster,—#. e. at the 
on ‘abet }-leaved inyolucre, which is apparently a continuation of the 
en emarginate, and mucronate ae the projecting midrib, fe on 
the sides, the margins — and pubescent-ciliate. Brtstles retrorsely scabrous, brittle. 
ene smoot » dark 
hea sacalinee: mate ania margins of rivers—salt and fresh : throughout the United 
States. Fl. Ju uly, Fr. Sept. 
Obs. This is the plant used in making the seats of ‘ Rush-bottomed 
are ” in the U. Ser ate of the English Seema = say, the 
culms of the S. lacustris, L., or common Bulrush, for 
aa purpose,—whic h I think must be a mis take ; as they are re Coal 
much ve in es and pliability, . those of this species,—and 
i woul apt to discover the fact. Numerous species 
of this geires aes in oe ba low rai ; mit although of no value 
in Agriculture, = — require notice, here inasmuch as th 
neither very troublesome, nor difficult to get rid of, by bp 2 
other appropriate Congas of the grounds. 
3. CA’REX, L. —— 
fa classical name,—of ob 
pistillate flowers either in duet spikes on the same plant 
zy} 
Staminate and 
* (monecious) « He in di, ae 2 ooo of the same spike, (androgynous), 
rarely on distinct p Scales 1-flowered, imbricated on 
all sides. Seco eam die ry included in a membranous folie: 
16 
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