344 



CYPERACEAE. 



t 156. Carex marcida Boott. Clustered Field 

 Sedge. (Fig. 826.) 



Carex marcida Boott; Hook. Fl. Bor. Am. 2: 212. pi. 213. 

 1840. 



Light green, culms slender, sharply 3-angled, 

 rough, at least above, i-2 tall. Leaves \" wide or 

 less, much shorter than the culm; bracts short, subu- 

 late from a broader base, or wanting; spikes several, 

 staminate at the summit or some of them wholly 

 staminate, clustered in a terminal oblong or oblong- 

 cylindric head about \y z f long, the lower ones some- 

 times compound; perigynia ovate, dark brown, about 

 \" long, faintly nerved, tapering into a flat serrate 

 beak shorter than the body; scales ovate or ovate- 

 lanceolate, brownish, membranous, acute or cuspi- 

 date, about equalling the perigynia; stigmas 2. 



In dry soil, Manitoba to British Columbia, south to 

 Nebraska, Kansas, New Mexico and Nevada. June-Sept. 



157. Carex teretiuscula Gooden. Lesser Panicled Sedge. (Fig. 827.) 

 Carex teretiuscula Gooden. Trans. Linn. Soc. 2: 163. 



pi. 19. 1794. 



Rather light green, culms slender, erect or re- 

 clining, very rough, at least above, i-2^ long. 

 Leaves mostly less than \" wide, shorter than or 

 sometimes equalling the culm; bracts very small or 

 none; spikes several or numerous, staminate above, 

 in a narrowly oblong compact or interrupted ter- 

 minal cluster i / -2 / long; perigynia ovate-oval, 

 smooth, dark brown, hard, shining, few-nerved on 

 the outer side, the body slightly more than y^" 

 long, truncate or rounded at the base, short -stalked, 

 tapering into a flat conic beak about its own length; 

 scales thin, ovate, brownish, acute or short-awned, 

 about equalling the perigynia; stigmas 2. 



In swamps and wet meadows, Nova Scotia to Hud- 

 son Bay and British Columbia, Rhode Island, Pennsyl- 

 vania and Nebraska. Also in Europe. May-July. 



Carex teretiuscula prairea (Dewey) Britton. 

 Carex prairea Dewey, Wood's Classbook, 578. 1855. 

 Carex teretiuscula var. ramosa Boott, 111. 145. 1867. Not C. ramosa Schk. 1806. 



Cluster of spikes compound, branched, the top commonly nodding. Ontario to British 

 Columbia, south to Massachusetts, Pennsylvania, Kentucky and Oregon. 



158. Carex alopecoidea Tuckerm. Foxtail Sedge. (Fig. 828.) 



Carex cephalophora var. maxima Dewey, Am. Journ. 



Sci. 43: 92. 1842. Not C. maxima Scop. 1772. 

 Carex alopecoidea Tuckerm. Enum. Meth. 18. 



Light green, culms stout but soft, sharply .;- 

 angled, erect or reclining, 2~3 long, roughish 

 above. Leaves flat, i^ // ~3 // wide, shorter than or 

 equalling the culm; bracts almost filiform, com- 

 monly short; spikes several or numerous in a com- 

 pact or somewhat interrupted cluster i'-2' long, 

 rarely also a separated cluster subtended by a leaf- 

 like bract; staminate flowers terminal; perigynia 

 ovate or ovate-lanceolate, short-stipitate, i 1 .- 

 long, pale brown, faintly few-nerved on the outer 

 side, the tapering rough 2-toothed beak nearly as 

 long as the body; scales ovate or oval, light brown, 

 cuspidate or short-awned, about as long as the 

 perigynia; stigmas 2. 



In meadows. New York and Pennsylvania to Michi- 

 gan and Manitoba (according to Macoun ). Local. 



