SEDGE FAMILY. 



tW 



S^gas^ 

 8,S^^^^^ 



129. Carex praecox Jacq. Venial Sedge 799 .) 



C<"r-r / aecox Jacq. Fl. Austr. 5: 23. pi. 446. 1778. 



Dark green, stoloniferous, culms very slender, erect 

 or reclining, smooth, 3 / -i2 / long. Leaves #"-i#" 

 wide, almost always much shorter than the culm; 

 lower bract subulate, %'-i' long; staminate spike 

 sessile or very short-stalked, usually large and con- 

 spicuous; pistillate spikes 1-3, all close together at 

 the summit, oblong, several-flowered, 3 / '-6 // long, 

 about 2^" in diameter, sessile or the lower short- 

 stalked, sometimes pistillate at the summit; peri- 

 gynia oblong or obovoid, sharply 3-angled, pubescent, 

 brown, about \" long; tipped with a very minute 

 beak; scales ovate, purple- brown with a lighter mi<l- 

 vein, acute, cuspidate or the lower rough-awned, 

 about equalling the perigynia; stigmas 3. 



Eastern Massachusetts to New York. Naturalized from 

 Europe. Native also of Asia. May-June. 



130. Carex nigro-marginata Schwein. 



Black-ed^'l S.-<l^i-. Hi; * - 



C. nign> margin, ita Schwcin Air 



Bright green, strongly stolon ifrrotts, calms fili- 

 form, erect or spreading, a'-8' long. I.ravrs : 

 wide, very much longer than the culms, rather stiff. 

 often 12' or more long; bracts very short and tabu- 

 late or wanting; staminate spike sessile, inconspicu- 

 ous, 2-' '-3" long, purple; pistillate spikr 

 flowered, sessile at the base of the sUminate, abot 

 3" long; perigynia oblong, narrowed at the b**c tpto 

 a short stipe, pubescent or nearly glabroti- 

 long, about W thick, i-ribbed on each side, tipped 

 with a cylindric-subulate 2-toothed beak one-third to 

 one-half as long the body; scales ovate, acute or caspi- 

 date, green with purple margins or variexated. 

 longer than the perigynia; stigmas 3. 



Dry soil. New York t North Carolina. Majr JuU 



131. Carex umbellata Schk. Umbel-like Sedge. ( Fig. s 



Carex umbellata Schk. Riedgr. Nachtr. 75. /. 171. 1806. 

 Carc.v umbellata var. vicina Dewey, Am. Journ. Sei. ii: 



,?I7- pi. D. f. fj. 1826. 



Rather light green, closely tufted and matted, sto- 

 loniferous, culms filiform, very nearly smooth, \'-& 

 long, erect or reclining. Leaves # ff -i % " wide, usu- 

 ally much exceeding the culm, sometimes i long, 

 the old sheaths fibrillose; staminate spike solitary, 

 terminal, ^' or less long, commonly conspicuous; 

 pistillate spikes 1-3, all filiform-stalked from the basal 

 sheaths or r or 2 of them sessile or very nearly so at 

 the base of the staminate, ovoid-oblong, several-flow- 

 ered, 1"-$" long; perigynia oval, finely pubescent, 

 pale, obtusely 3-angled, the body rather less than i" 

 long, tipped with a subulate 2-toothed beak of nearly 

 its length; scales ovate-lanceolate, acuminate or short- 

 awn ed, about as long as the perigynia; stigmas 3. 



Dry soil, Nova Scotia to the Northwest Territory. New 

 Jersey, the Indian Territory and Oregon. May-July. 



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