CYPERACEAE. 



VOL. I. 



233. Carex comosa Boott. Bristly Sedge. Fig. uoo. 



C. fitrcata Ell. Bot. S. C. and Ga. 2: 552. 1824. Not 



Lapeyr. 1813. 



Carex comosa Boott, Trans. Linn. Soc. 20: 117. 1846. 

 Carex Pseitdo-Cyperus var. comosa Boott, 111. Car. 4 : 



141. 1867. 

 Carex Pseudo-Cyperus var. americana Hochst. ; Bailey, 



Mem. Torr. Club i : 54. 1889. 



Similar to the preceding species, culms commonly 

 stouter, sometimes 5 high, the leaves 3"-7" wide. 

 Staminate spike short-stalked, the scales rough- 

 awned; pistillate spikes 2-6, usually 3-5, stalked or 

 the uppermost nearly sessile, all spreading or droop- 

 ing, stouter and bristly, 6" -7" in diameter ; perigynia 

 lanceolate, rigid, scarcely inflated, somewhat flattened 

 and triangular, strongly reflexed when mature, short- 

 stipitate, tapering into a slender, prominently 

 2-toothed beak, the teeth subulate and recurved- 

 spreading; scales mostly shorter than the perigynia, 

 very rough-awned ; stigmas 3. 



In swamps and along the borders of ponds, Nova 

 Scotia to Washington, south to Florida, Louisiana and 

 California. May-Oct. 



234. Carex Frankii Kunth. Frank's Sedge. 

 Fig. noi. 



Carex stenolepis Torr. Ann. Lye. N. Y. 3 : 420. 1836. Not 



Less. 1831. 

 Carex Frankii Kunth, Enum. 2: 498. 1837. 



Glabrous, much tufted, culms- stout, smooth, erect, 

 very leafy, i-2i tall. Leaves elongated, roughish, 

 ii"-4" wide, the upper ones and especially the similar 

 bracts overtopping the culm ; staminate spike stalked 

 or nearly sessile, occasionally pistillate at the summit, 

 often small and inconspicuous ; pistillate spikes 3-6, 

 exceedingly dense, cylindric, erect, i'-ii' long, about 4" 

 in diameter, the upper nearly or quite sessile, the lower 

 slender-stalked ; perigynia green, slightly inflated, 2" 

 long, about i" in diameter, few-nerved, obconic, with a 

 depressed summit from which arises the subulate 

 2-toothed beak; scales linear-subulate, very rough, 

 longer than the perigynia; stigmas 3. 



In swamps and wet meadows, eastern Pennsylvania to 

 eastern Virginia and Georgia, west to Illinois, Missouri, 

 Louisiana and Texas. June-Sept. 



235. Carex squarrosa L. Squarrose Sedge. 

 Fig. 1 1 02. 



Carex squarrosa L. Sp. PI. 973. 1753. 



Glabrous, culms slender, erect, rough above on the 

 angles, 2-3 tall. Leaves elongated, i"-3" wide, 

 rough-margined, the upper somewhat overtopping 

 the culm ; bracts similar ; spikes 1-3, generally I, 

 erect, stalked, oval, exceedingly dense, the pistillate 

 portion 7"-i5" long, 6"-ii" in diameter, the upper 

 one club-shaped, staminate at the base or sometimes 

 for one-half its length or more ; perigynia yellowish 

 green, becoming tawny, squarrose or the lowest re- 

 flexed, somewhat inflated but firm, obovoid, about 

 i^" in diameter, few-nerved, truncately contracted 

 into the subulate minutely 2-toothed beak, twice as 

 long as the scarious, lanceolate acuminate or awn- 

 tipped scales; achene linear-oblong, \\" long, taper- 

 ing into the stout, strongly flexuous style ; stigmas 3. 



In swamps and bogs, Ontario to Connecticut, Mich- 

 igan, Nebraska, Georgia, Louisiana and Arkansas. June- 

 Sept. 



