326 CYPERACEAE. 
103. Carex altocaulis (Dewey) Britton. Sheathed Sedge. (Fig. 773.) 
Carex vaginata var. allocaulis Dewey, Am, Journ. Sci. 
(II) 41: 227. 1866. 
Carex Saltuensis Bailey, Mem. Torr. Club, 1:7. 1889. . 
Glabrous, light green but not glaucous, culms very . 
slender, weak, spreading or reclining, 1°-2° long. 
Leaves 114’/-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 1’ long, loosely several-flowered, their stalks 
partly enclosed by the long sheaths; perigynia ob- 
long, 3-angled, narrowed at the base, faintly few- 
nerved 2’’ long, nearly 1/’ 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. Variable Sedge. (Fig. 774.) 
Carex polymorpha Muhl. Gram. 239. 1817. 
Glabrous, rather dark green, culms stiff, strictly 
erect, smooth or nearly so, 1°-2° tall. Leaves flat, 
114//-2/’ 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 1 or 2, long-stalked; pistillate spikes 
commonly solitary, sometimes 2, erect, short-stalked 
or sessile, densely many-flowered or sometimes looser 
at the base, 1/-114’ long and 4” thick, occasionally 
staminate at the summit; perigynia ovoid-oblong, 
obscurely 3-angled, fully 2’’ long and 1’ 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 the perigynia; 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. 
105. Carex tetanica Schk. Wood's Sedge. (Fig. 775.) 
Carex tetanica Schk. Riedgr. Nachtr. 68. figs. 100, 207. 
1806, 
Carex tetanica var. Woodii Bailey, Mem. Torr. Club, 
I: 53. 1889. 
Light green and glabrous, culms slender, erect 
or nearly so, rough above, 1°-2° tall. Leaves flat, 
1/’-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, 1/ long or less, or the lower 
filiform-stalked and drooping; perigynia oblong, 
green, prominently many-nerved about 114’ long, 
less than 1/ thick, oblique, the summit curved 
outwardly and tapering to an entire orifice, beak- 
less; scales ovate-oblong, obtuse or the lower mu- 
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. 
