CYPERACEAE 215 
3-5 mm. long, 1.75-2.5 mm. wide, strongly nerved, tapering to the base, abruptly 
minutely beaked.—Open places, meadows and prairies, in calcareous ues 
various provinces, Ga. to Tex., Sask., Mich., and W N. J.—Spr.—early su 
53. C. biltmoreana Mackenzie. Rootstock stout, interwoven: culm strongly 
purplish-tinged at E 3—7 dm. tall, 3—4 mm. thick at the base, sphyllop odie: 
leaf-blades 3.5-5 mm. wide: diee sheaths 5-30 mm. lon ng: stam spike 
strongly rough- he a noeuds spikes 1—3, erect, rd. ae pius 
peduneled, 1.5—3.5 em. long, 1 or somewhat elo sely flowered above: seales 
ely 
ovate, obtuse to fae ME purplish-brown- v Se pe Weird obovoid, 
many-nerved, 2.5-3.5 mm. long, abruptly roun p. apex and minutely beaked 
or beakless, the e entire. [C. tetanica (Fl. SE. U. S.) not Schk.]—Rocky 
soil, Blue Ridge, N. C.—Spr. 
C. rapa Steud. Gavia pu clumps small, sending forth long 
dm 
horizontal stolons: culm 1-3 . high, not winged or se errulate: sterile shoots 
elongate: leaf-blades light-gr - m. inate spike short- 
ped si long: pistillate spikes 2—4, rather closely 8-18 flowered, 
a 
the lowermost widely separate, more or less strongly exsert-peduncled: bract- 
ine sparingly retrorsely serrulate at mou th: scales mucronate or cuspidate, 
ually markedly exceeded by the perigynia: perigynium obovoid-fusiform, 
obtusely triangular, 4.5 mm. long, Do; tapering into the conspicuous, 
aight or excurved beak. [C. fusiformis Chapm .]-—Hammocks and wood- 
uds Fla. "Sor. 
XVII. LAXIFLORAE Kunth. Cespitose. Fertile culm mostly lateral, the 
sterile shoots leafy, conspicuous. Basal sheaths brownish- or purplish-tinged. 
Terminal spike staminate, linear. Lateral spikes 2-5, pistillate or AT 
i to closely few-many-flowered, in few-several ranks, on erect to drooping, 
included or exserted, peduncles. Bracts sheathing, the sheaths green or pur- 
plish. tinged, the blades leaf-like or sometimes reduced. Scales green with hya- 
eri 
gynium asce g, me 
usually nerved, elosely enveloping the achene, 
labrous or hispi ii tapering at the base, 
short-beaked or beakless, the orifice entire. 
Achene triangular. sel -base slender, jointed 
with the achene. Stigmas 3. 
55. C. austro- Duden Bailey. Culm 2-4.5 
dm. tall, weak, nearly smooth: leaf-blades 3-6 
mm. wide, thos d is sterile shoots 3—3.5 
dm. long: spike long-peduncled, 
1-2 em. [E pu^ spikes about 3, widely  / 
E olera pe 2--6-flowe s 
scales orbicular, obtuse to cuspidat 
porigynium 1 po RAE p Uds hispidulous, finely many-nerved, 
2.5-3.75 mm. long, tapering at the base and dune short-beaked.—Mountain 
gorges "Blue R Ridge and adj. provinces, S. C. to Tenn. and N. C.—Spr.—4A very 
rarely ‘collected td ee but a handsome plant. 
aTa Lam. Culm 2.5-6 dm. tall, erect or reclining, span 
m de 10-25 mm. wide, dos of the sterile shoots 1.5-3.5 dm. lon ng: | 
nate spike long- peduncled, 1-2 em. long: pistillate spikes 3-4, widely iR) 
