SEDGE FAMILY. 



76. Carex Caroliniana Schwein. Carolina 

 Sedge. (Fig. 746.) 



i Caroliniana Schwein. Ann. I y yc. 1:67. 1824 

 i Smith ii Porter; Olney, Car. Bor. Am. 2 name 



only. 1871. Not Tausch. 1821. 

 C. triceps var. Smithii Bailey, Rot. Gaz. 13: 88. 1888. 



Culms very slender, erect, rough above, i-2K 

 tall. Leaves i"-!^" wide, rather dark green, 

 glabrous except on the sheaths, the upper and the 

 similar but narrower bracts usually much overtop- 

 ping the spikes; spikes 2-4, oblong, dense, sessile 

 or nearly so, 4 // -6 // long, -2" in diameter; erect, 

 clustered at the summit, the upper one staminate at 

 the base; perigynia subglobose or obovoid, swollen, 

 not imbricated, about Yt" in diameter, nerveless 

 or faintly nerved, brown, beakless, glabrous at least 

 when mature, the orifice entire; scales brown, ovate, 

 mucronate; achene pyriform, bent at the summit 

 or tipped with the bent style. 



In meadows, New Jersey and Pennsylvania to North Carolina and Arkama*. Ma> 



77. Carex gracillima Schwein. Graceful Sedge. 1 



Care.i grac illima Schu t : 

 i',n, i -rafillima var. kumilit Bailey. V 

 Club, 1:71. 1889. 



Glabrous, culms slender, erect or "ptHtBiE. 

 roughish above, i-3 !.: . rt dark green. 



iK // -3 // wide, shorter than the rnlm. the basal 

 ones wider than the upper; lower bract fotiaceooa, 

 sometimes overtopping the spikes; spike* 35. nar- 

 rowly cylindric, usually densely fluwerrd except at 

 the base, i'-j'.' long, about i" thu-k or aomr- 

 times much smaller, filiform-stalked and drooping . 

 the upper one partly or wholly staminate; prri- 

 gynia ovoid-oblong obtuse, slightly twollen. 

 nerved, glabrous, i " long; scales thin, ovate-ob- 

 long, very obtuse or the lower cuspidate, pale. 

 scarious-margined, one-half as long as the peri- 

 gynia; stigmas 3. 



In moist woods and meadow* 

 toba, North Carolina, Ohio and Michigan. Mar JnU 



Professor Bailey has described a hybrid with C. hirsute, occurring at Tin N \ 



Carex Sullivantii Boott, is a hybrid of this species with ( />//'< 



78. Carex aestivalis M. A. Curtis. Summer Sedge. 



Care i aestivalis M. A. Curtis; A. Gray, Am. Journ. Sci. 



42: 28. 1842. 



Culms very slender or filiform, erect or nearly so, 

 smooth, or roughish near the summit, i-2 tall. 

 Leaves flat, \"-\ l / 2 ff wide, elongated but usually 

 shorter than the culm, their sheaths usually pubes- 

 cent, the blades sometimes slightly so; lower bracts 

 similar to the leaves but narrower; spikes 3-5, nar- 

 rowly linear, erect or somewhat spreading, i'-2' 

 long, about i%" thick, loosely many-flowered or 

 the upper ones dense, the terminal one staminate at 

 the base or also at the summit; perigynia oblong, 

 pointed at both ends, 3-sided, glabrous, few-nerved, 

 i" long, y z " thick, beakless, the orifice entire; 

 scales ovate-oblong, obtuse, or the lower cuspidate 

 or short-awued, green, thin, one-half as long as the 

 perigynia or more; stigmas 3. 



In mountain woods, Massachusetts and northern 

 New York to Georgia. June-Ang. 



48.) 



