326 



CYPERACEAE. 



Carex altocaulis (Dewey) Britton. Sheathed Sedge. (Fig. 773.) 



Carex vaginata var. altocaulis Dewey, Am. Journ. Scu 



(11)41:227. 1866. 

 Carex Saltuensis Bailey, Mem. Torr. Club, i: 7. 1889. 



Glabrous, light green but not glaucous, culms very 

 slender, weak, spreading or reclining, i-2 long. 

 Leaves \y 2 "--2." wide, shorter than the culm, the up- 

 per ones and the bracts usually very short; staminate 

 spike long-stalked; pistillate spikes 2 or 3, distant, 

 slender-stalked, ascending, spreading or recurved, less 

 than i' long, loosely several-flowered, their stalks 

 partly enclosed by the long sheaths; perigynia ob- 

 long, 3-angled, narrowed at the base, faintly few- 

 nerved i" long, nearly i" thick, tipped with a beak 

 about one-fourth the length of the body, the orifice 

 2-toothed, oblique; scales oval or ovate-lanceolate, 

 acute or the upper obtuse, shorter than or the lower 

 equalling the perigynia; stigmas 3. 



In swamps, Quebec and Vermont to Ontario, New York 

 and Minnesota. Summer. 



104. Carex polymorpha Muhl. 



Carex polymorpha Muhl. Gram. 239. 1817. 



Glabrous, rather dark green, culms stiff, strictly 

 erect, smooth or nearly so, i-2 tall. Leaves flat, 

 \W-l" wide, nearly erect, the basal sometimes as 

 long as the culm, the others much shorter; bracts 

 usually little longer than the pistillate spike; stam- 

 inate spikes i or 2, long-stalked; pistillate spikes 

 commonly solitary, sometimes 2, erect, short-stalked 

 or sessile, densely many-flowered or sometimes looser 

 at the base, \'-\V 2 r long and 4" thick, occasionally 

 staminate at the summit; perigynia ovoid-oblong, 

 obscurely 3-angled, fully 2 X/ long and i // in diameter, 

 the beak more than one-half as long as the body, the 

 orifice oblique; scales red-brown, obtuse or the lower 

 acute, somewhat shorter than theperigynia; stigmas 3. 



In swamps or wet meadows, Massachusetts to northern 

 New Jersey, south to North Carolina. Local. Ascends 

 to 2000 ft. in Pennsylvania. June-Aug. 



Variable Sedge. (Fig. 774.) 



105. Carex tetanica Schk. 



Wood's Sedge. (Fig. 775.) 



Carex tetanica Schk. Riedgr. Nachtr. f&.figs. 100, 207, 



1806. 

 Care x tetanica var. Woodii Bailey, Mem. Torr. Club, 



i: 53- 1889. 



Light green and glabrous, culms slender, erect 

 or nearly so, rough above, i-2 tall. Leaves flat, 

 i // -2 // wide, the basal about equalling the culm; 

 bracts narrow, elongated, sometimes overtopping 

 the spikes; staminate spike stalked, the stalk 

 sometimes 3' long; pistillate spikes 2 or 3, erect, 

 distant, narrowed at the base, loosely or compactly 

 several-many-flowered, i / long or less, or the lower 

 filiform-stalked and drooping; perigynia oblong, 

 green, prominently many-nerved, about i^'Mong, 

 less than \" thick, oblique, the summit curved 

 outwardly and tapering to an entire orifice, beak- 

 less; scales ovate-oblong, obtuse or the lower nm- 

 cronate, shorter than the perigynia or the lower 

 equalling them; stigmas 3. 



In meadows and wet woods, Ontario to Manitoba, 

 North Carolina and Louisiana. June-July. 



