GENUS 18. 



SEDGE FAMILY. 



427 



200. Carex lanuginosa Michx. Woolly Sedge. Fig. 1067. 



Care.v lanuginosa Michx. Fl. Bor. Am, 2: 175. 1803. 



C. fillformis var. latifolia Boeckl. Linnaea 41 : 309. 1876. 



Carex filiformis var. lanuginosa B.S.P. Prel. Cat. N. Y. 63. 



1888. 

 Carex lanuginosa var. kansana Britton, in Britt. & Br. 111. Fl. 



i : 305. 1896. 



Culm usually rather stouter than that of C. lasiocarpa 

 and less reddened and filamentose at base, sharp-angled 

 and rough above. Leaves and lower bracts elongated, 

 flat, not involute, i"-2$" wide, more or less strongly 

 nodulose, sometimes overtopping the culm ; staminate 

 spikes 1-3, distant, sometimes pis'r'llate at the base; 

 pistillate spikes 1-3, usually distant, sessile or the lower 

 slender-stalked, cylindric, $"-2$" long, 2\"-^\" in di- 

 ameter ; perigynia like those of C. lasiocarpa, but usually 

 rather broader ; scales acuminate or aristate. 



In swamps and wet meadows, Nova Scotia to British Co- 

 lumbia, District of Columbia, southern Missouri, New Mex- 

 ico and California. June-Aug. 



201. Carex lasiocarpa Ehrh. Slender Sedge. Fig. 1068. 



C. lasiocarpa Ehrh. in Hannov. Magaz. 9: 132. 1784. 

 C. filiformis Good, Trans. Linn. Soc. 2 : 172. 1794. Not 

 L. 



Culms slender but stiff, smooth, obtusely angled, 

 2-3 tall, strongly reddened and filamentose at base. 

 Leaves very narrow and attenuate, prolonged, invo- 

 lute, i" wide or less, rough on the inrolled margins, 

 not overtopping the culm ; lower bract similar, often 

 equalling the culm; upper bracts filiform; staminate 

 spikes 1-3, commonly 2, distant ; pistillate spikes 1-3, 

 cylindric, S"~ 2 S" long, about 3" in diameter, erect, 

 sessile or the lower distant and short-peduncled ; 

 perigynia green, ascending, oval-ovoid, densely pu- 

 bescent, obscurely nerved, about i" in diameter, 

 tapering into a short 2-toothed beak; scales ovate, 

 membranous, sometimes purplish, acute or short- 

 awned, shorter than or equalling the perigynia ; 

 stigmas 3. 



In wet meadows and swamps, Newfoundland to British 

 Columbia, south to New Jersey, Pennsylvania, Iowa and 

 Minnesota. Ascends to 2000 ft. in the Adirondacks. 

 Also in Europe. June-Aug. 



202. Carex Houghtonii Torr. Houghton's 

 Sedge. Fig. 1069. 



Carex Houghtonii Torr. Ann. Lye. N. Y. 3 : 413. 1836. 



Long-stoloniferous, the culms rather stout, rough 

 above, erect, i-2i tall, exceeding the leaves. Leaves 

 and lowest bract i*"-3*" wide, rough; upper bracts 

 much shorter; staminate spikes 1-3, distant, some- 

 times pistillate at the base; pistillate spikes 2 or 3, 

 oblong-cylindric, i'-i*' long, 3i"-6" in diameter, 

 erect, rather loosely 15-35-00 wered, the upper ses- 

 sile, the lower stalked ; perigynia ovoid, li ' in di- 

 ameter, light green, ascending, densely pubescent, 

 prominently many-ribbed, narrowed into a short con- 

 spicuously 2-toothed beak ; scales lanceolate, short - 

 awncd. hyaline-margined, somewhat shorter than the 

 perigynia ; stigmas 3. 



In sandy or rocky soil. Nova Scotia to Saskatchewan, 

 Athabasca, south to Maine, Ontario, Michigan and Min- 

 nesota. June-Sept. 



