559 
CYPERACEiE. (SEDGE FAMILY.) 
fertile spikes oblong, or sometimes with a few staminate flowers at the 
base and becoming club-shaped; the upper bracts short and scale¬ 
like, the lower bristle-shaped, very slightly sheathing; perigynia 
ovoid, obscurely nerved, tapering into a beak about the length of the 
ovate hairy fringed scale; leaves pale green and glaucous, and with 
the bracts fringed with delicate hairs. (C. blepharophora, Gray.) — 
Moist, shady places, W. New York and northward. 
§ 9. Perigynia slightly inflated, obtusely 3-angled, nerved, smooth, ta¬ 
pering into a rather rough beak, with 2 distinct membranaceous 
teeth (obscure in No. 97), becoming tawny or yellow at maturity (or 
in No. 94 more or less spotted with purple): achenium obovate-tri- 
quetrous, contracted at the base : staminate spike solitary, stalked 
(sessile in No. 97). — FlA.v.e. 
* Perigynia erect: bracts with long sheaths , not exceeding the culm. 
94. C. laevigata, Smith. Fertile spikes 3, cylindrical, remote, 
on exserted nodding stalks; perigynia ovoid, tapering into a 2-cleft 
beak, rather longer than the light-brown pointed and owned scale; 
culm smooth. (C. bin6rvis, Dew., not of Smith.) — Massachusetts 
(Tewksbury ? B. D. Greene) : probably introduced. 
95. C. fuftva. Good. Fertile sjjikes 2-3, oblong or ovoid, erect, 
remote, the lowest on an exserted stalk; perigynia ovoid, not much ex¬ 
ceeding the dark-brown scarcely pointed aumless scale ; culm rough. 
(C. Greeniana, Deio.) — Pond at Tewksbury, Massachusetts, B. D. 
Greene. 
* * Perigynia spreading or reflexed, longer than the scale : bracts with 
short sheaths, much exceeding the smooth culm. (Staminate spike 
often pistillate at the apex, or towards the centre; fertile spikes 
erect.) 
96. C. Hava, L. Fertile spikes 2-4, roundish-ovoid, compact¬ 
ly flowered, the upper approximated, the lowest remote on a short 
exserted stalk ; bracts spreading or reflexed ; perigynia tapering from 
an ovoid contracted base into a narrow curved beak, widely spreading 
or reflexed at maturity. — Wet meadows, New England to Michigan. 
— Whole plant of a yellowish hue, 6'-15' high, with spikes £' to f' 
in length. Specimens, appearing to be merely small forms of this spe¬ 
cies, have been referred by Prof. Dewey to C. lepidoedrpa, Tausch ; 
but they by no means accord (nor does his character), either with the 
description, or with authentic specimens ofKunze. 
97. c. (Ederi, Ehrh. Sterile spike commonly sessile ; fertile 2- 
4, oblong-ovoid, closely aggregated, or the lowest rather remote, on 
very short stalks, densely flowered, sometimes staminate at the apex ; 
leaves and bracts rigidly erect ; perigynia ovoid, with a short and rath¬ 
er abrupt minutely notched beak , spreading horizontally at maturity. 
(C. viridula, Michx , not of Schw. Torr. C. irregularis, Schw.) 
Wet rocks, especially on limestone, New England to Ohio. Resem- 
