340 CYPERACEAE. 
144. Carex nardina Fries. Nard Sedge. 
(Fig. 814.) 
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 2’’ 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 
4%4// 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. (Fig. 815.) 
Carex Redowskyana C. A. Meyer, Mem. Acad. St. Petersb. 
Div. Sav. 1: 207. pl. 4. 1825-31. 
Carex gynocrates Wormsk.; Drejer, Rey. Crit. Car. 16. 1841. 
Culms very slender, stiff, erect, 3/-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, 
1/’-1¥4’’ 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, 10’-2° tall. Leaves involute- 
filiform, equalling or usually shorter than the culm; 
spike solitary, terminal, erect, bractless, 3//-18/’ 
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 
14’ 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 southern 
New Jersey, mostly near the coast. Reported from 
Minnesota. May-July. 
