540 CYPERACEJE. (SEDGE FAMILY.) 
Var. angustifolia, Boott. Sterile spike long-peduncled; fertile spikes 
mostly 3, linear, few-flowered, very remote, the lowest at the base of the culm ; 
perigynia 4-8, lanceolate-oblong, 3-angled, alternate and 2-ranked, pointless 
and entire at the apex, longer than the ovate rough-awned scale.— Dry open 
woods, Florida.— Culms filiform, 8'—12' high. Leaves and bracts linear. 
Lowest sheaths dark-brown. 
43. C. granularis, Muhl. Sterile spike short, sessile; fertile spikes 3-4, 
linear-eylindrical, densely many-flowered, yellowish, the upper one nearly sessile, 
the lowest distant and long-peduncled ; perygynia small, globose-ovate, con- 
tracted into à minute mostly recurved entire or emarginate point, longer than 
the ovate obtuse or barely pointed scale.— Meadows and banks of streams, 
Florida, and northward. — Culms 6/— 12! high. Leaves and bracts broadly 
linear, 3-nerved. : 
44. C. conoidea, Schk. Sterile spike long-peduncled ; fertile spikes 2-3, 
oblong or cylindrical, densely many-flowered, remote ; perigynia small, oblong- 
ovoid, obtuse, striate with impressed nerves, smooth and shining, equalling or 
the lower shorter than the ovate pointed or short-awned scale. — Mountains of 
North Carolina, and northward. — Culms 6/—12/ high. Leaves and bracts lin- 
ear, Spikes 3^ — 1' long, the lowest long-peduncled. 
45. C. tetanica, Schk. Sterile spike short-peduncled ; fertile spikes 1-3, 
linear-cylindrical, remote, loosely flowered ; perigynia obovate, narrowed at the 
base, contracted into a short bent point, longer than the ovate acute or short- 
awned scale. — Mountains of North Carolina, and northward. — Culms 1° high. 
Leaves and bracts narrowly linear. 
t f Perigynia smooth (except No. 51), 3-angled, with a recurved or spreading point : 
lowest peduncles elongated and often recurved. 
: — Bracts leafy : scales white. 
46. C. laxiflora, Lam. Sterile spike peduncled, exceeding the bracts; 
fertile spikes 2-3, remote, linear, loosely 8-12-flowered ; perigynia oblong- 
obovate, tapering into a smooth spreading entire beak, longer than the oblong 
mucronate scale. (C. anceps, Willd. C. plantaginea, Ell. C. ignota, Dew.) — 
Plant more or less glaucous. Culm 10' — 15/ high, usually compressed-3-angled 
above. Leaves linear or lanceolate, tender. Sheaths smooth., : 
Var. striatula, Culms, leaves, and especially the sheaths, rough ; sterile 
spike sessile or nearly so, shorter than the bracts; fertile spikes 3-5, rather 
closely 12 - 20-flowered, the 2-3 upper ones commonly approximate; perigynia 
obovate, abruptly short and bent-pointed. (C. striatula, Micke. C. blanda, 
Dew. C. conoidea and C. tetanica, Ell.) — Dry open woods and margins of 
fields, Florida, and northward ; common, and varying greatly in the form of the 
| petigynia and width of the leaves. ~ 
47. C. styloflexa, Buckley. Sterile spike short-peduncled ; fertile spikes 
3, oblong, few-flowered, Very remote, the lowest on a long and mostly nodding 
. peduncle; perigynia lanceolate or oblong, narrowed at the base, tapering into 2 
spreading rough-angled mostly emarginate beak, longer than the oblong muero- 
ale. — Shady swamps, Middle Florida, to the mountains of North Caro- - 
