GENUS 18. 



218. Carex Raeana Boott. 

 Fig. 1085. 



SEDGE FAMILY. 



Rae's Sedge. 



433 



C. Raeana Boott; Richards, Arct. Exp. 2: 344. 1857. 

 C. vesicaria var. Raeana Fernald, Rhodora 3 : 50. 1901. 

 C. miliarls var. Raeana Kiiken. Pflanzenreich 4: 20: 

 719. 1909. 



Culms slender, i-3 high, very rough below in- 

 florescence, reddened and filamentose at base, the 

 plant stoloniferous. Leaves i" wide, flat, shorter 

 than or exceeding culm, little if at all nodulose; 

 lower bracts narrow, exceeding culm ; staminate 

 spikes usually 2, slender-stalked; pistillate spikes 

 1-3, narrowly cylindric, 7"-24" long, 22" wide, 

 short-peduncled, loosely flowered at base ; perigynia 

 somewhat inflated, oblong-ovoid, yellowish-green, 

 strongly several-nerved, 2i"~3" long, abruptly con- 

 tracted into a slender bidentate beak; scales lan- 

 ceolate, sharply acuminate, narrower and somewhat 

 shorter than perigynia ; stigmas 3. 



On lake and river shores, Maine to Quebec, west to 

 Athabasca. Local. Intergrades with the next. Summer. 



219. Carex monile Tuckerm. Necklace Sedge. Fig. 1086. 



Carex monile Tuckerm. Enum. Meth. 20. 1843. 

 C. monile var. monstrosa Bailey, Mem. Torr. Club I : 40. 

 ^ 1889. 



C. vesicaria vars. monile and jejuna Fernald, Rhodora 3 : 

 53- 1901. 



Glabrous, culm slender, erect, i2-3 tall, not spongy 

 at base, generally acutely angled and very rough above. 

 Leaves elongated, i*"-3" wide, sometimes exceeding the 

 culm, little nodulose; bracts similar, often overtopping 

 the culm ; staminate spikes 1-4, usually 2 or 3, slender- 

 stalked, commonly subtended by short bracts ; pistillate 

 spikes 1-3, erect-spreading, cylindric, i'-3' long, about 

 32" in diameter, many-flowered with perigynia in several 

 rows, rather loose at maturity, the upper sessile, the 

 lower more or less slender-stalked and remote; peri- 

 gynia yellowish-green, ascending, globose-ovoid, inflated, 

 2?"~4" long, rather strongly 8-io-nerved, abruptly con- 

 tracted into a slender 2-toothed beak ; scales lanceolate, 

 acuminate or awned, shorter than perigynia ; stigmas 3. 



In marshes and wet meadows, Newfoundland to Saskatch- 

 ewan, south to New Jersey and Missouri. Also in Japan. 

 Intergrades with the next. June-Aug. 



Inflated Sedge. 



220. Carex vesicaria L. 



Fig. 1087. 



Carex resicaria L. Sp. PI. 979. 1753. 



Carex Vaseyi Dewey, Am. Journ. Sci. (II.) 29: 347. 



1860. 



Glabrous, culm slender, erect, i-3 tall, not 

 spongy at base, generally acutely angled and very 

 rough above. Leaves elongated, ii"-3" wide, 

 about equalling the culm, little nodulose; bracts 

 similar, about equalling the culm; staminate spikes 

 2-4, slender-stalked, commonly subtended by short 

 bracts; pistillate spikes 1-3, usually 2, erect, ses- 

 sile or short-peduncled, oblong-cylindric, i'-2n' 

 long, 4i"-7i" thick, closely many-flowered, the 

 perigynia in several rows ; perigynia yellowish- 

 green, ascending, ovoid, inflated, 3"-4" long, rather 

 strongly 8-io-nerved, contracted into a slender 

 2-toothed beak; scales ovate, acute or acuminate, 

 narrower and shorter than perigynia ; stigmas 3. 



Quebec to British Columbia, south to Pennsylvania 

 and Ohio. Also in Europe, Asia and north Africa. 

 June-Aug. 



28 



