. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 37s CYPERACEAE. Vol. I. 53. Carex Leersii Willd. Little Prickly Sedge. Fig. 920. C. Leersii Willd. Prodr. Fl. Berol. 28. 1787. C. stellulata Good. Trans. Linn. Soc. 2: 144. 1794. C. echinata Murr.; Bailey, Proc. Am. Acad. 22 : 142. 1889. C cephalantha Bicknell, Bull. Torr. Club 35 : 493. 1908. Culms slender to stoutish, stiff or in shade weak, erect or rarely s
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 37s CYPERACEAE. Vol. I. 53. Carex Leersii Willd. Little Prickly Sedge. Fig. 920. C. Leersii Willd. Prodr. Fl. Berol. 28. 1787. C. stellulata Good. Trans. Linn. Soc. 2: 144. 1794. C. echinata Murr.; Bailey, Proc. Am. Acad. 22 : 142. 1889. C cephalantha Bicknell, Bull. Torr. Club 35 : 493. 1908. Culms slender to stoutish, stiff or in shade weak, erect or rarely spreading, 4'-3° tall, rough, at least above. Leaves ¥'-2" wide, shorter than the culm; bracts very short or sometimes bristle-form; spikes 2-8, subglobose or short- oblong, closely contiguous to widely separated, about 2I" thick, 3-40-flowered; staminate flowers basal; perigynia from lanceolate to broadly ovate, plano-convex, ascending when young, 1 ¥'-2" long, i"-i" wide, spreading or reflexed when old, several-nerved on both faces, the nerves usually not conspicuous on inner face, thickened at base, tapering into a sharp-edged 2-tobthed rough beak more than one- half as long as the body, the teeth and suture on inner side conspicuous; scales ovate, hyaline, acutish to acuminate, shorter than the perigynia; stigmas 2. In moist soil throughout the continent north of Mexico ; often locally absent. Also in Europe and Asia. Presenting many forms. May-July. 54. Carex incomperta Bicknell. Prickly Bog Sedge. Fig. 921. C. sterilis Willd. Sp. PI. 4: 208 (in small part). 1805. C. sterilis Willd.; Schk. Reidgr. f. 146 (in part). 1806. C. incomperta Bicknell, Bull. Torr. Club 35: 494. 1909. Strongly resembling C. atlantka, but more slen- der, the culms acutely triangular and roughened above, io'-24' tall. Leaves usually less than 1" wide, not stiff, flat or in drying involute, usually exceeding the spikes, the lower less conspicuously shortened; spikes 3-4
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