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CYPKRACEAE. 



i. Carex pauciflora Lightf. Few-flowered 

 Sedge. (Fig. 671.) 



Carex pauciflora Lightf. Fl. Scot. 543. pi. 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 l /z" 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. 



1826. 



2. Carex Collinsii Xutt. Collins' Sedge. (Fig. 672.) 



Carex subulata Michx. Fl. Bor. Am. 2: 173. 180; 



Gmel. 1791. 



Carex Collinsii Nutt. Gen. 2: 205. 1818. 

 Carex Michauxii Dewey, Am. Journ. Sci. 10: 273 



Not Schwein. 1824. 



Glabrous, culms very slender, erect or reclining, 6 / -2 

 long. Leaves narrow, the broadest about 2^" 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 i^' 

 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 maturitj-; 

 stigmas 3. 



In bogs, Rhode Island to eastern Pennsylvania, south to 

 South Carolina and Georgia. Ascends to 2000 ft. in Pennsyl- 

 vania. Attributed to Canada by Michaux. June-Aug. 



3. Carex abacta Bailey. Yellowish Sedge. (Fig. 673.) 



Carex roslrata Michx. Fl. Bor. Am. 2: 173. 1803. Not 



Stokes, 1787. 

 Carex xanthophysa Dewey, Am. Journ. Sci. 14: 353. f. ". 



jS. 1828. Not Wahl. 1803. 

 Carex Michauxiana Boeckl. Linnaea, 40: 336. 1877. Not 



C. Michauxii Schwein. 1824. 

 Carex abacta Bailey, Bull. Torr. Club, 20: 427. 1893. 



Glabrous, w r hole plant yellowish, culm erect or slightly 

 assurgent at the base, rather stiff, slender, i-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 %'-2 f 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"-j" Ion- 

 than i" 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. 



