196 N1.W TOKK STATE MDSEtJM 



wide, rough, bright green ; staminate spike linear, S" long y' 

 wide, sessile; pistillate spikes 2-i, distant, sessile or the lowest 

 on a short exserted peduncle, all erect, 4-8 loosely flowered, 

 green ; bracts leafy sheathing, longer than the culm ; perigynia 

 awl-shaped, finely nerved, smooth, slightly inflated, 6" long, 

 reflexed, with a long, slender, deeply cleft beak, the awn-like 

 teeth deflexed at maturity ; scale lanceolate, cuspidate, less than 

 half the length of the perigynium. (C. subulata Mx.) 



Swamps and wet places. Yery rare. Long Island and Rich- 

 mond county. June, July. 



122. Carex oligosperma iH/ic. 



Stems 15'- 30' high, slender, erect or somewhat spreading, 

 slightly rough on the acute angles above ; leaves as long as the 

 culm, 1" wide, becoming involute, smooth or rough-margined ^ 

 staminate spikes 1 or 2, clavate, V--iy long, on stalks I'-l' in 

 length ; pistillate spikes 1-2, globular or ovoid, 3-8 flowered, 

 subdistant, the uppermost sessile, the lowest usually short-stalked, 

 sometimes half staminate ; bracts leaf-like, sheathless, shorter or 

 longer than the culm; peri J^ynia turgid ovate, 2"-2i-" long, ly wide, 

 prominently nerved, ascending, contracted into a short slender 

 bidentate beak, longer than the ovate obtuse brown scale. 



Bogs and marshes. Northern part of the State. July, 

 August. 



Conspicuously marked by its tall slender stems, involute leaves 

 and few flowered, ovoid spikes. 



123. Carex flava X. 



Stems l°-2° high, erect, smooth ; leaves shorter than the culm, 

 1".-1^" wide, mostly smooth, yellowish-green; staminate spike 

 subclavate, about ^' long, sessile or short-stalked, erect or oblique, 

 sometimes small and inconspicuous ; pistillate spikes 1-1, ovoid 

 or globular, compactly flowered, aggregated and sessile or the 

 lowest subdistant and short-peduncled, yellowish-green or fulvous ; 

 bracts leaf -like, sheathless, divaricate, longer than the culm ; 

 perigynia turgid-ovate, prominently nerved, smooth, tapering 

 into a long, slender bent or recurved bidentate beak, strongly 

 reflexed at maturity ; scale oblong-ovate acute or obtusish, brown, 

 much shorter than the perigynium ; achenium short, triangular, 

 obovate, apiculate, blackish-brown. 



