CYPERACEAE. 



108. Carex styloflexa Buckley. 

 Sedge. (Fig. 778.) ' 



Bent 



Carex styloflexa Buckley, Am. Journ. Sci. 45: 174. 1843. 

 Carex laxiflora var. styloflexa Boott, 111. 37. 1858. 



Glabrous, culms leaning, slender, smooth, i-2 tall. 

 Leaves 1$"$" wide, flat, shorter than the culm; 

 bracts short, rarely exceeding the spikes; staminate 

 spike solitary, usually long-stalked but sometimes 

 nearly sessile; pistillate spikes 1-4, distant, loosely 

 few-several-flowered, less than 8" long, the lower 

 drooping on filiform stalks; perigynia oblong, trian- 

 gular, many-nerved,' about 2" long, i" thick, some- 

 what oblique, tapering gradually to both ends and 

 thus slender-beaked; scales ovate or ovate-lanceolate, 

 scarious-margined, acute, cuspidate or short-awned, 

 shorter than the perigynia; stigmas 3. 



In woods and thickets, southern Xe\v York and Penn- 

 sylvania to Florida, Louisiana and Texas. May-July. 



109. Carex digitalis Willd. Slender Wood Sedge. (Fig. 779.) 

 Carex digitalis Willd. Sp. PI. 4: 298. 1805. 



Glabrous, bright green, not at all glaucous, culms 

 slender or almost filiform, nearly or quite smooth, us- 

 ually reclining, 4 / -i8 / long. Leaves flat, i // -2 // wide, 

 the basal sometimes exceeding the culm, the upper 

 ones and the bracts similar but shorter, the latter com- 

 monly overtopping the spikes; staminate spike 

 stalked; pistillate spikes 2-4, linear, loosely alter- 

 nately flowered, y z '-\ f long, the upper one sessile or 

 nearly so, the others filiform-stalked and widely 

 spreading or drooping; perigynia oblong, sharply 

 triangular, many-nerved, brown when ripe, narrowed 

 at both ends, i" long, more than y 2 " thick, the very 

 short beak slightly oblique; scales lanceolate or ovate- 

 lanceolate, scarious-margined, acute, acuminate or 

 short-awned, shorter than or the lower about equal- 

 ling the perigynia; stigmas 3. 



In woods and thickets, Maine and southern Ontario to Minnesota, south to Florida and Texas. 

 Ascends to 3000 ft. in Virginia. May-July. 



Carex digitalis copulata Bailey, Mem. Torr. Club, i: 47. 1889. 



Larger in every way, culms sometimes 2 long, reclining; leaves 2'- -4" wide; pistillate spikes 

 shorter and denser; perigynia larger. Michigan and southern Ontario. 



no. Carex Careyana Torr. Carey's Sedge. (Fig. 780.) 



Carex Careyana Torr.; Dewey, Am. Journ. Sci. 30: 



60. / S8. 1836. 



Glabrous, bright green, culms slender, erect 

 or somewhat reclining, smooth or nearly so, i- 

 2 tall. Basal leaves flat, 3 // -6 // wide, much 

 shorter than the culm; bracts linear-lanceolate 

 with very long sheaths, the blades i'-$ f long; 

 staminate spike usually large, long-stalked; 

 pistillate spikes 1-3 (commonly 2), erect, loosely 

 few-several-flowered, less than i' long, the 

 upper sessile or short-stalked, the lower on a 

 long filiform stalk; perigynia ovoid-oblong, 

 very sharply 3-angled, many-nerved, fully 2" 

 long and over \" thick, brown, the short beak 

 slightly oblique, entire; scales ovate with white 

 hyaline margins, cuspidate or awned, shorter 

 than the perigynia; stigmas 3. 



In woods. New England (according to Bailey U 

 N\-w York to Michigan and Virginia. May-June. 



