158 CYPERACEAE 
brown or greenish-brown: seales ovate pcd or lanceolate, mucronate: 
achene obovoid, scarcely 0.5 mm. long, ooth or indistinetly reticulate.— 
Moist soil, sa ndy banks, pond-margins, and meadows, various provinces, Fla. 
to Tex., Kans. , Mich., and Mass.—(W. I., Mes., (?), S. A.)—Plant erect. 
. F.miliacea Vahl. Annual (always ?), 2-6 dm. tall, glabrous: leaf-blades 
ensiform, long- by d sca weak, often loosely tufted: T h 
numerous, subglobose, 2-3 mm. long, obtuse, pale-brown: scales o fully 
1 mm. long, apni: iene ee fully 0.5 mm. ae ae minutely ear 
o E and ditches, N Fla. Nat. of the trop—(W. I., Mez., C. A., S. A., 
. W.)—Plant prostrate. 
8. NOPHYLLUS Raf. Annual tufted seapose herbs. Leaf-blades 
setaceous, linear, or filiform. Spikelets in umbel-like clusters, pu Or 
red 
dac Wisi small, terete or nearly iio few—many-flow . Scales firm, 
short, ous. Perianth wanting. Stamens 2 or 3: FM very piri 
Ovary se s or short-stipitate: style im at the base, glabrous, the base 
persistent. Stigmas 2 or 3. Achene lenticular or 3-angled, smooth or papil- 
lose, diri in with a tuberele.—About 90 species, abundant in warm 
regions.—Spr.— 
Spikelets in open or compact umbel-like clusters, or rarely Sica 
Leaf-blades serrulate or minutely ciliate, usually scabrous. 
Umbel-like E of spikelets simple: achene 
versely wrinkled. 1. S. capillaris 
vel -like dte of spikelets compound : achene papil- 
Achene about 1 mm. long: umbellike cluster of 
Spikelets open. 2. S. ciliatifolius. 
chene about 0.5 mm. long: umbel-like cluster of 
Spikelets compact. 3. S. Carteri. 
af- blades smooth and glabrous or nearly so. 4. S. coarctatus. 
Le 
xd in a terminal involucrate he s 
ets of the involucre Ra rds at the 
Achene fully 0.5 m lone Sour P as long as the 
seale: scales Sor ti ipped. 5. S. barbatus. 
Achene about 1 mm. long, about 1% as long as the scale: 
seales slender-tipped. 6. S. stenophyllus. 
Bracts of the involucre fimbriate at the base. 1. S. Warei. 
1. S. capillaris (L.) Britton. Plant 0.5-2.5 dm. tall: leaf-blades minutely 
era a PET Pf sometimes near the top: spikelets narrowly ellip- 
oid, 5-8 mm. long, a single c en or 
tree scien a da qu. about 2 mm. 
long, obtuse or emarginate, often Eau. 
yellow-brown, slightly stipitate. — ( H AIR- 
SEDGE.)—Dry to wet sandy and did soil, 
and fields, various bus ii Fla. Tex 
Calif., Ore., Ont, and Me.—(W. L Mez., 
C. A., g. A.) | 
2. S. ciliatifolius (Ell) C. Mohr. Plan 
ae dm. pa leaf-blades serrulate- E 
capes s scabrous near the top: spike- 
lets linear- ‘ellipsoid, 2—4 mm. long, in a com 
pound cluster: dines bu do ovate or deis 
ne about 1.5 mm. long. obtuse or opio did 
pointed, n ciliolate toward the gue 
Alo broadly obovoid or turbinate, abou m. long, bluish, barely stipitate.— 
Pinelands, dry sandy soil, and sand- hills, den Plain, Fla. to La. and N. C. 
