292 CYPERACEAE. 
1. Carex pauciflora Lightf. Few-flowered 
Sedge. (Fig. 671.) 
Carex pauciflora Lightf. Fl. Scot. 543. pl. 6. 1777. 
Glabrous, culms erect or assurgent, very slender, 
3/-2° high. Leaves very narrow, shorter than the 
culm, the lowest reduced to toothed sheaths; spike 
solitary, androgynous, the staminate and pistillate 
flowers each 2-5, the staminate uppermost; peri- 
gynium green, narrow, scarcely inflated, 3//-4’ 
long, about '4’’ in diameter, several-nerved, taper- 
ing from below the middle into a slender or almost 
subulate beak, strongly reflexed and readily de- 
tachable when mature, 2-3 times longer than the 
deciduous lanceolate or ovate scale; stigmas 3. 
In bogs, Newfoundland to Alaska, south to Massa- 
chusetts, Pennsylvania, Michigan and Washington. 
June-Aug. 
2. Carex Collinsii Nutt. Collins’ Sedge. (Fig. 672.) 
Carex subulata Michx. Fl. Bor. Am. 2: 173. 1803. Not 
Gmel. 1701. 
Carex Collinsti Nutt. Gen. 2: 205. 1818. 
Carex Michauxii Dewey, Am. Journ. Sci. 10: 273. 1826. 
Not Schwein. 1824. 
Glabrous, culms very slender, erect or reclining, 6/-2° 
long. Leaves narrow, the broadest about 2!4’’ wide, the 
uppermost not exceeding the culm; staminate spike ter- 
minal, stalked; pistillate spikes 2-4, distant, 2-8-flowered, 
short-stalked, or the stalk of the lowest sometimes 114’ 
long; bracts similar to the upper leaves, elongated; peri- 
gynium light green, scarcely inflated, subulate, 5’’-7/’ 
long, tapering from below the middle into an almost fili- 
form beak, faintly many-nerved, strongly reflexed when 
mature, about 3 times as long as the hyaline lanceolate- 
acuminate persistent scale, its teeth reflexed at maturity; 
stigmas 3. 
In bogs, Rhode Island to eastern Pennsylvania, south to 
South Carolina and Georgia. Ascends to 2000 ft. in Pennsyl- 
June-Aug. 
vania. Attributed to Canada by Michaux. 
3. Carex abacta Bailey. Yellowish Sedge. (Fig. 673.) 
Carex rostrata Michx. Fl. Bor. Am. 2: 173. 
Stokes, 1787. 
Carex xanthophysa Dewey, Am. Journ. Sci. 14: 353. / 57, 
58. 1828. Not Wahl. 1803. 
Carex Michauxiana Boeck. Linnaea, 40: 336. 1877. Not 
C. Michauxti Schwein. 1824. 
Carex abacta Bailey, Bull. Torr. Club, 20: 427. 1893. 
Glabrous, whole plant yellowish, culm erect or slightly 
assurgent at the base, rather stiff, slender, 1°-2° high. 
Leaves narrow, the broadest about 2’ wide, the upper- 
most often exceeding the culm; staminate spike termi- 
nal, closely sessile; pistillate spikes 2 or 3, several-flow- 
ered, the upper sessile or very nearly so and closely 
approximated, the lowest, when present, remote and 
borne on a stalk 14’—2/ long; bracts similar to the leaves, 
usually erect and overtopping the culm; perigynia slen- 
der, narrow, scarcely inflated, erect or spreading, taper- 
ing into a subulate 2-toothed beak, 5’’-7’’ long, less 
than 1’’ thick at the base, rather strongly many-nerved, 
about twice as long as the lanceolate or ovate, acute or 
acuminate scale; stigmas 3. 
In bogs and wet meadows, Newfoundland to New Hampshire, New York and Pennsylvania, 
west to Michigan. Ascends to 5000 ft. in New Hampshire. Also in Japan. July-Sept. 
1803. Not 
