GENUS 18. 



SEDGE FAMILY. 



417 



170. Carex paupercula Michx. Bog Sedge. Fig. 1037. 



Carex paupercula Michx. Fl. Bor.-Am. 2: 172. 1803. 

 Carex irrigua Smith; Hoppe, Caric. 72. 1826. 

 C. paupercula var. irrigua and var. pallens Fernald, 

 Rhodora 8 : 76-77. 1906. 



Glabrous, culms slender, tufted, sharply angled, 

 smooth or strongly roughened, erect, 4-2% tall. 

 Leaves flat, i"-2" wide, green, commonly shorter 

 than the culm, the lower bract similar and usually 

 overtopping the spikes ; staminate spike usually soli- 

 tary, frequently gynaecandrous ; pistillate spikes 1-4, 

 oblong, filiform-stalked and drooping or somewhat 

 erect, 2"-io" long, 2" -4" in diameter; perigynia 

 glaucous-green, flattened, 2-edged, ij"-ii" long, over 

 i" wide, few-nerved, minutely granulate-papillose, 

 orbicular or broadly ovate, essentially beakless, the 

 orifice entire: scales lanceolate or ovate-lanceolate, 

 long-acuminate or awned, varying from dark green 

 and brownish-tinged to purplish-brown, ii-2 times 

 as long as the perigynia ; stigmas 3. 



In bogs, Newfoundland and Labrador to British Co- 

 lumbia, Connecticut, Pennsylvania and Utah. Also in 

 Europe and Asia. Has been confused with Carex magel- 

 lanica Lam. Ascends to 4600 ft. in the Adirondacks. 

 Summer. 



171. Carex Barrattii Schw. & Torr. Barratt's Sedge. Fig. 1038. 



Carex littoralis Schwein. Ann. Lye. N. Y. 1 : 70. 1824. 



Not Krock. 1814. 

 Carex Barrattii Schwein. & Torr. Ann. Lye. N. Y. 1 : 361. 



1825. 



Glabrous, pale green, culms erect, slender, smooth, 

 i-3 tall, aphyllopodic and strongly filamentose at 

 base. Leaves ii"-2" wide, smooth, slightly glaucous, 

 long-attenuate, usually much shorter than the culm ; 

 bracts not sheathing, the lower usually short and 

 narrow, its auricles prominent, usually dark-tinged ; 

 staminate spikes 1-3, usually rather long-stalked; 

 pistillate spikes 2-4, drooping or the upper ascend- 

 ing, slender-stalked, linear-cylindric, $'-2 long, 3" in 

 diameter, mostly androgynous ; perigynia ovoid or 

 oval, dark at maturity, faintly few-nerved, ii"-l*" 

 long, slightly inflated and obscurely triangular, tipped 

 with a minute entire beak; scales brown-purple with 

 lighter margins, obtuse, usually shorter than the peri- 

 gynia ; stigmas 3. 



In swamps, Connecticut to Pennsylvania and North 

 Carolina. Mostly near the coast. May-June. 



172. Carex Halleri Gunn. 

 Fig. 1039. 



Alpine Sedge. 



Carex Halleri Gunn. Fl. Norveg. n. 849. 1766-1772. 

 Carex alpina Sw. ; Lilj. Sv. Flora, Ed. 2, 26. 1798. 

 Carex Vahlii Schk. Riedgr. 87. 1801. 



Culms slender, phyllopodic, erect, leafy below the 

 r middle, 6'-2 tall. Leaves roughish, i"-ii" wide, usu- 

 ally shorter than the culm ; spikes 2-4 (commonly 

 3), clustered at the summit, the terminal I or 2 gynae- 

 candrous, oblong or globose, 2"-s" long, closely 8-25- 

 flowered, sessile or the lower short-peduncled ; peri- 

 gynia oval, orbicular or obovoid, light green, li" 

 long or less, tipped with a very short and minutely 

 2-toothed beak, nerveless or with a few very faint 

 nerves, slightly shorter than the ovate black or 

 purple-brown, light-margined, obtuse or acutish 

 scales ; style short ; stigmas 3. 



In rocky places, Greenland to Alaska, eastern Quebec, 

 western Ontario, Lake Superior region and in the west- 

 ern mountains. Also in Europe and Asia. July-Aug. 



27 



