532 CYPKRACI-M:. (SEDGE FAMILY.) 



Wood Creek, New York. Also in Ohio and S. Illinois. Culm robust, 



3 high : perigynia ' in length. Flowers in July, a month later than the last. 



* * Bracts conspicuously sheathing, 



117. C. iblliClllfitSl, L. Staminatc spike small, short-stalked, or often 

 sessile ; fertile spikes 3 4, ovoid, very remote, the lower on exserted peduncles; 

 perigynia erect-spreading, tapering from an oblong base, rather exceeding the ovate 

 white hng-awned scale. (C. xanthophysa, Wahl.) Teat-bogs, New ICngland to 

 Penn v and northward, and sparingly southward. A robust plant, 2 -4 high, 

 of yellowish appearance, with long foliaceous bracts, and leaves ' wide. 



118. C. 1'QStratcl, Michx. Stain in ate spike small, nearly sessile ; fertile 

 Sji/Lcs 1 -3, commonly 2, roundish-ovoid, the lower rather distant on a short tx- 

 serted peduncle; perigynia erect or somewhat spreading, tapering from an oblong 

 slightly inflated base into a long slender beak twice the. length of the blunt light- 

 brown scale. (C. xanthophysa, var. nana and minor, Dew.) Cold bogs, moun- 

 tains of N. New York, New Hampshire, and northward. Resembles the last; 

 but smaller in all its parts, rigidly erect, and with narrow leaves. 



119. C. SUblllata, Michx. Fertile spikes 3-5, very remote, on included 

 peduncles loosely few- (4 - 8-) flowered, commonly with a few staminate flowers at 

 the apex; perigynia, aid-shaped, strongly reflexed at maturity; the orifice of the 

 long slender beak furnished with 2 sharp and rigidly dejlexed teeth. (C. Collinsii, 

 Nutt. C. Michauxii, Dew.) Cedar swamps, New Jersey to Rhode Island 

 (Olney) near the coast, and far northward : rare. 



120. C. lllpuliiia, Muhl. Fertile spikes 2 - 4, ' oMony-ovoid, erect, the up- 

 per approximate, the lower on more or less exserted stalks ; periyynia erect, taper- 

 ing from the ovoid very injlated base into a conical slightly serrulate beak, much 

 longer than the lanceolate awncd scale. Var. FOLYSTACHYA, Schw. & Torn 

 (C. lupiniformis, Sartwell), has 4-5 longer cylindrical fertile spikes, the lowest 

 remote on a long peduncle ; and the perigynia more distinctly serrulate on the 

 angles of the beak. Swamps and wet meadows; common. A coarse robust 

 species, with very thick spikes 2' -3' in length; the leaves and long leafy bracts 

 3-4 lines wide, very rough on the margin. 



13. Periyynia much inflated, dbovoid or obconic, few-nerved, smooth, with an ex- 

 tremely abrupt and very long slightly roughened beak, terminated by 2 distinct 

 rather short membranaeeous teeth, tawny -brown or straw-colored at maturity, 

 spreading horizontally, or the lower deflexed : bracts leaf-like, much exceed- 

 ing the culm. SQUARR6s^E. 



# Spikes 1 - 3, mostly solitary, very rarely 4-5, all of them principally pistillate, 

 with more or less staminate flowers at the base: sheaths of the upper bracts 

 obsolete. 



121. C\ SQliarrosa, L. Fertile spikes ovoid or oblong, obtuse and very 

 thick, rigidly erect, on short stalks; perigynia longer than the lamvoiate pointed 

 scales, which an- nearly concealed by the densely-crowded bases of the mature 

 fruit. (C. tvphina, Michx.) Low meadows and copse.-, 8. New England to 

 Illinois and southward. Remarkable for its dens-.-ly-tlo vvrred, short and thick 

 sj)ik s, about 1' long, to which the spreading beaks of the perigynia give a bris- 

 tly appearam <;. 



