514 CYPERACEJE, (SEDGE FAMILY.) 
or recurved; spikes small, ovate, 3-9 in a cluster; scales spotted; scales of 
the perianth very thin, the nerves at length free and bristle-like below ; nut ob- 
long, contracted into a short neck. (Kyllingia maculata, Michx.) — Springy or 
miry places, Florida to North Carolina. July - Sept. — Culms 4/- 8' high. 
Spikes 1!! — 2" long, green. 4 
6. FUIRENA, Rottb. 
Spikes many-flowered. Scales imbricated in many rows, awned at the apex. 
Perianth consisting of three petal-like stalked scales alternating with as many 
bristles. Stamens 3. Style3-cleft. Nut 3-angled, raised on a stalk, and pointed 
with the persistent base of the style. — Culms terete, jointed. Spikes single or 
clustered, lateral and terminal. Scales hairy. 
1. F. scirpoidea, Vahl. Rhizoma thick and creeping; culms slender ; 
leaves reduced to pointed sheaths, smooth; spikes 1-3, terminal, ovate, sup- 
ported by a small bract-like involucre ; scales obovate, 9-nerved, pointed with a 
short erect awn; stalks of the oval barely pointed petallike scales longer than 
the hispid bristles. — Wet sandy places, near the coast, Florida and Georgia. 
May Sept. }— Culms 1? high. ss 
2. F. squarrosa, Michx.  Culms clustered, smooth, or pubescent near 
the summit; leaves flat, linear or linear-lanceolate, the margins, like the lower 
sheaths, hairy; spikes oblong, in lateral and terminal clusters ; scales oblong- 
obovate, with the long pale awn recurved ; petal-like scales ovate, acute; bristles _ 
as long as the stalk of the obovate nut.— Var. HISPIDA. (F. hispida, Ell.) 
Leaves, sheaths, and upper portion of the culm bristly-hairy ; petaldike scales 
acuminate ; bristles nearly as long as the nut. — Swamps, Florida, and north- 
ward. July-Sept. y— Culms }°-2° high. Leaves 2/-5!long. Terminal 
cluster occasionally compound. 
7, ELEOCHARIS, R. Brown SrrxeRust. — 
Spikes many- (rarely 2-4-) flowered. Scales imbricated on all sides of the 
rachis, or somewhat 2-ranked, the lowest usually empty, bract-like, and persistent. 
Perianth of 3 - 8 bearded bristles, occasionally wanting. Stamens 1 -3. Style 
2—3-cleft. Nut compressed, biconvex, or 3-angled, crowned with the persistent 
jointed base of the style (tubercled).— Commonly perennials, with creeping 
rootstocks. Culms jointless, leafless, sheathed at the base, bearing at the apex 9 
single spike. : Her 
1, ELEOCHARIS Prorer. Spikes many.flowered : scales imbricated in several 
rio l, scarcely thicker than the soft cellular culms : nut biconcez, pitted 
or wrinkled in longitudinal lines. res 
and faintly nerved : style 3-cleft : bristles 6, sparingly ae 
by ers 
