

SEDGE FAMILY. 

 in. Carex Albursina Sheldon. White Ber Sedge. (Fig. 781, 



i laxiflora var. latifolia Boott, 111. 38. 1858. Not 



C. latifolia Moench. 



Albursina Sheldon, Bull. Torr. Club ao- afti 



1893. 



Glabrous, rather deep green, culms stout, nearly 

 smooth, flattened, usually spreading, 8'-2 long. . 

 Basal leaves lanceolate or oblong-lanceolate, acumi- 

 nate, shorter than the culm, %'-i 1 /^' wide; bracts 

 similar to the narrower culm-leaves, the upper over- 

 topping the spikes; staminate spikes sessile or nearly 

 so; pistillate spikes 2-4, distant and narrowly linear, 

 stalked or the upper sessile and close together, #'- 

 i V long, very loosely flowered; perigynia olxwoid, 

 obtusely 3-angled, strongly many-nerved, i" long, 

 \" thick, tipped with a very short bent entire beak; 

 scales ovate-oblong, scarious-margined, obtuse or the 

 lower acute, shorter than the perigynia; stigmas 3. 



In woods, Massachusetts to New York, Ohio and Min- 

 nesota, south to Virginia and Michigan. Ascend-, t<> 

 2300 ft. in Virginia. June-Aug. The specific' name is 

 in allusion to White Bear Lake, Minn. 



112. Carex plantaginea Lain. Plantain- 

 leaved Sedge. (Fi>; 



Carex plantag in fii J,am ! ,j. 17*^ 



Glabrous, rather dark green, culm* lender, erect 

 or reclining, 6'-2 long. Leaves ', ' i ' wide, shorter 

 than or equalling the culm, persistent through the 

 winter and until the new calms develop in the fol- 

 lowing spring; bracts short, usually with purple or 

 purplish clasping sheaths; staminate spike loag 

 stalked, purple; pistillate spike* 3 or 4. err- 

 slender-stalked, i' or less long, loosely flowered, the 

 stalks of the upper ones enclosed in the sheath*; 

 perigynia oblong, outwardly carved, many -nerved. 

 \Yi" long, about i " thick, longer than or eqaalliaf 

 the ovate cuspidate scales; stigma* 3. 



In woods, New Brunswick an-! 

 south to Virginia and Wi-^ 

 Virginia. May July. 



113. Carex laxiculmis Schwein. Spreading Sedge. 



Carex laxiculmisSchwein. Ann. Lye. N. Y. i: 70. 1824. 

 Carex retrocurva Dewey, Wood's Bot. 423. 1845. 



Glabrous, blue-green and glaucous, culms filiform, 

 smooth or very nearly so, ascending or diffuse, 6 / -2 

 long. Basal leaves elongated, 3"-5" wide, often 

 longer than the culms; bracts similar to the narrower 

 culm-leaves, usually short; staminate spike long- 

 stalked; pistillate spikes 2-4, oblong, loosely few- 

 flowered, 3 // -6 // long, about 2" thick, drooping on 

 long hair-like stalks or the upper short-stalked and 

 erect; perigynia ovoid- oblong, sharply 3-angled, 

 many-nerved, about \" long and rather more than 

 y 2 " thick, narrowed at both ends, scarcely beaked, 

 longer than the ovate green cuspidate or short-awned 

 scales; stigmas 3. 



In woods and thickets, southern Ontario to Mu 

 south to Rhode Island and Virginia. Ascends to 5601 

 in Virginia. May-June. 



