GENUS 18. 



SEDGE FAMILY. 



3S9 



86. Carex pauciflora Lightf. Few-flowered Sedge. Fig. 953. 



Car ex f and flora Lightf. Fl. Scot. 543. pi. 6. 1777. 



Glabrous, culms from slender long running root- 

 stocks, erect or assurgent, very slender, 3'-2 high, 

 with two or three developed leaves. Leaves very 

 narrow, usually shorter than the culm, the lowest 

 reduced to sheaths ; spike solitary, androgynous, the 

 staminate and pistillate flowers each 1-6; peri- 

 gynium green, narrow, scarcely inflated, 3"~4" long, 

 about \" in diameter, obscurely several-nerved, taper- 

 ing from below the middle into a very slender beak 

 with oblique orifice, strongly reflexed and readily de- 

 tachable when mature, 2-3 times longer than the 

 deciduous lanceolate or ovate scale ; achene linear- 

 oblong; stigmas 3. 



In bogs, Newfoundland to Alaska, south to Connec- 

 ticut, Pennsylvania, Michigan and Washington. June- 

 Aug. 



87. Carex microglochin Wahl. False Uncinia. 



\ 



Carex microglochin Wahl. Kongl. Acad. Handl. (II.) 24: 



140. 1803. 

 Uncinia microglochin Spreng. Syst. 3 : 830. 1826. 



Culms slender, from slender elongated rootstocks, 

 weak, 4'-i2' high, with four to eight developed leaves. 

 Leaves very narrow, shorter than the culm ; spike 

 solitary, 3$"-8" long, androgynous, usually pistillate 

 for more than one-half its length; scales oblong- 

 lanceolate, i-nerved, deciduous; perigynia 3-10, 

 very narrowly lanceolate, 2"-$" long, less than i" 

 thick, strongly reflexed in fruit, obscurely nerved, 

 tapering into the long smooth beak, the orifice ob- 

 lique ; achene linear-oblong, obtusely 3-angled, 

 much shorter than the perigynium ; racheola bristle- 

 like, long-exserted beyond the orifice of the peri- 

 gynium. 



Greenland to James Bay and British Columbia ; Colo- 

 rado ?. Also in the arctic and mountainous parts of 

 Europe and Asia. Summer. 



88. Carex supina Willd. Weak Arctic Sedge. Fig. 955. 



Carex sufiina Willd. ; Wahl. Kongl. Vet. Acad. Handl. (II.) 

 24: 158. 1803. 



Glabrous, densely tufted, long-stoloniferous, culms 

 slender, erect, sharply 3-angled, 3'-io' tall. Leaves \"- 

 I" wide, flat, shorter than the culm, roughened toward 

 apex ; lower bract short, subulate ; staminate spike soli- 

 tary, sessile or very nearly so, 3"-;" long; pistillate 

 spikes 1-3, sessile, approximate, subglobose or short- 

 oblong, usually 4-io-flowered, 2"-^" long, 2" wide, the 

 upper one sometimes consisting of only 1-3 flowers; 

 perigynia oval-obovoid, smooth, hard, shining, nerve- 

 less, i J"-i J" long, less than \" thick, obscurely 3-angled, 

 tipped with a very short, obliquely cut beak; scales 

 ovate, brownish with hyaline margins, obtuse to short- 

 cuspidate, about length of perigynia ; stigmas 3. 



Northern Minnesota (according to Bailey) and Mani- 

 toba to arctic America and Greenland. Also in northern 

 Europe and Asia. Summer. 



