GENUS 18. SEDGE FAMILY. 4 ! 9 



176. Carex Buxbaumii Wahl. Brown Sedge. Fig. 1043. 



Carex polygama Schkuhr, Reidgr. i : 84. 1801. Not J. F. 



Gmel. 1791. 



C. Buxbaumii \Vahl. in Vet.-Akad. Handl. 24: 163. 1803. 

 Carex fusca Bailey, Mem. Torr. Club i : 63. 1889. Not 



All. 1785. 



Glabrous, culms aphyllopodic, strongly filamentose, 

 stiff, erect, sharp-angled, rough above, 8'-3 tall. 

 Leaves rough, erect, i"-2" wide, shorter than or ex- 

 ceeding the culm ; spikes 2-7, oblong or cylindric, erect, 

 all sessile and close together or the lowest sometimes 

 distant and very short-stalked, 4"-2o" long, about 4" 

 in diameter when mature, the terminal staminate at 

 base or rarely throughout ; perigynia elliptic or some- 

 what obovate", flat, ascending, il"-2" long, very light 

 green, granular, faintly nerved, beakless, the apex mi- 

 nutely 2-toothed; scales ovate, awn-tipped, black or 

 dark brown with a green midvein, longer than the peri- 

 gynia; stigmas 3. 



In bogs, Greenland to Alaska, south to Georgia, Ken- 

 tucky, Missouri, Utah and California, Also in Europe and 

 Asia. May-July. 



177. Carex Shortiana Dewey. Short's Sedge. 

 Fig. 1044. 



Carex Shortiana Dewey, Am. Journ. Sci. 30: 60. 1836, 



Glabrous, culms rather slender, erect, rough above, 

 i-3 tall, usually overtopped by the upper leaves. 

 Leaves elongated, roughish, 2"~4' wide; bracts short, 

 narrow, the lowest little sheathing; spikes 3-7, gynae- 

 candrous, linear-cylindric, densely many-flowered, 

 i'-ii' long, 2."-2\" in diameter, erect, the lower 

 stalked, the uppermost staminate below for about 

 one-half its length ; perigynia spreading, orbicular or 

 obovate, i" long, darkened at maturity, compressed, 

 2-edged, nerveless, slightly wrinkled, ridged at apex, 

 abruptly and minutely beaked, the orifice entire or 

 nearly so ; scales ovate or oblong-lanceolate, scarious- 

 margined, acute, acuminate, or obtusish and cuspi- 

 date, persistent, shorter or longer than perigynia; 

 stigmas 3. 



In moist meadows and thickets, Pennsylvania to Vir- 

 ginia and Tennessee, west to Iowa, eastern Kansas and 

 Oklahoma. May-July. 



178. Carex Joori Bailey. Cypress-swamp 

 Sedge. Fig. 1045. 



C. Joori Bailey, Proc. Am. Acad. 22: 12. 1886. 



Glabrous, light green and glaucous, culms stout, 

 phyllopodic, erect, much roughened on the angles 

 above, ii-4 tall. Leaves 8-15 to a culm, flat or in 

 drying somewhat involute, rough, i$"-3" wide, usu- 

 ally exceeded by the culm, tapering to a very long 

 narrow tip, the basal sheaths not filamentose ;" lower 

 bracts similar, shorter; staminate spike usually I, 

 long-stalked, the scales short-awned; pistillate 

 spikes 3-5. cylindric, dense, i5-5O-flowered, 7"-! 5" 

 long, 4" thick, little separate, erect, sessile or the 

 lower stalked ; perigynia dark brown, slightly glau- 

 cous, squarrose, broadly ovoid, 3-angled, 2 long, 

 ii"-ij" wide, strongly ribbed, abruptly contracted 

 into a sharp beak about one-fourth as long as the 

 body, the orifice entire : scales oblong-ovate, scarious- 

 margjned, abruptly awned, from slightly exceeding 

 to much shorter than perigynia ; stigmas 3. 



In swamps, Missouri to Florida and Texas. June-Aug. 



Carex verrucosa Muhl. (C. macrokdlea Steud.) admitted into our first edition, is a southern 

 species not definitely known within our range. 



