34 



CYPERACEAE. 



144. Carex nardina Fries. 

 (Fig. 814.) 



Nard Sedge. 



Carex nardina Fries, Mant. 2: 55. 1839. 



Culms filiform, smooth, erect, 2 / -5 / tall, very 

 densely tufted. Leaves filiform, erect, about as long 

 as the culms; spike solitary, terminal, erect, ovoid- 

 oblong, 3 // -6 // long, less than i" in diameter, bract- 

 less, staminate above, pistillate below; perigynia ob- 

 long-elliptic, yellowish brown, nerveless, nearly erect, 

 narrowed at both ends, nearly -2." long, slightly over 

 Yz ff wide, somewhat hispid above, beakless, the ori- 

 fice 2-toothed; scales ovate, brown, thin, acute or 

 cuspidate or the upper obtuse, rather longer than the 

 perigynia; stigmas 2. 



Labrador and Hudson Bay to British Columbia. Sum- 

 mer. 



145. Carex Redowskyana C. A. Meyer. Redowsky's Sedge. 



Carex Redowskyana C. A. Meyer, Mem. Acad. St. Petersb. 

 Div. Sav. i: 207. pi. 4. 1825-31. 



Carex gynocrates Wormsk. ; Drejer, Rev. Crit. Car. 16. 1841. \ 



Culms very slender, stiff, erect, $'-8' tall. Leaves al- 

 most bristle-form, erect, shorter than or equalling the 

 culm; spike solitary, oblong, terminal, erect, 2 // -8 // 

 long, staminate above, pistillate below, the pistillate 

 part 2 // -3 // thick, or sometimes wholly staminate or pis- 

 tillate; perigynia ovoid-ellipsoid, stipitate, dark brown, 

 i"-!^" long, spreading or reflexed when mature, 

 strongly several-nerved, little compressed, rough above, 

 narrowed into a very short 2-toothed beak; scales ovate, 

 light brown spreading, acute or cuspidate, shorter than 

 or equalling the perigynia ; stigmas 2. 



In bogs, Labrador to the Northwest Territory, south to 

 Vermont, Pennsylvania (according to Bailey), Michigan and 

 in the Rocky Mountains to Colorado. Also in Europe and 

 Asia. Summer. 



146. Carex exilis Dewey. Coast Sedge. (Fig. 816.) 



Carex exilis Dewey, Am. Journ. Sci. 14: 351. 1828. 



Culms very slender or filiform, stiff, strictly erect, 

 nearly or quite smooth, io / -2 tall. Leaves involute- 

 filiform, equalling or usually shorter than the culm; 

 spike solitary, terminal, erect, bractless, 3 // -i8" 

 long, staminate below and pistillate above or some- 

 times staminate above and pistillate below, occa- 

 sionally quite dioecious, very rarely with a small 

 auxiliary spike at its base; perigynia ovoid-ellip- 

 soid, somewhat impressed at the base, brown, about 

 \W long, rather strongly several-nerved on the 

 outer face, faintly few-nerved on the inner, spread- 

 ing or reflexed at maturity, narrowed into a slender 

 rough 2-toothed beak about one-half as long as the 

 body; scales ovate, acute, equalling or shorter than 

 the perigynia; stigmas 2. 



In bogs, Newfoundland and Labrador to solithern 

 New Jersey, mostly near the coast. Reported from 

 Minnesota. May-July. 





