182 NEW YORK STATE MUSEUM 



drooping stalks i'-l' in length, the lowest distant and pendulous ; 

 bracts variable, the lowest leafy, 2-3' long, sheathing, the upper 

 setaceous ; perigynia ovate-lanceolate, ^IV long, turgid, 2-ribbed, 

 obscurely nerved, spreading, tapering into a long smooth or 

 roughish, mostly entire beak, about one-third longer than the 

 acute, fringed, brown scale. 



Yery rare. May, J une. Oneida and Herkimer counties. 



"Well marked by its glaucous leaves, and its short, }'- ell o wish or 

 brown spikes, the upper subtended by setaceous bracts. This 

 is C. fiexilis Budge in the older botanies. 



Perigynia moderately inflated, 



Staminate spikes 1-4, the terminal stalked ; pistillate spikes 

 2-5, sessile or short-stalked (the lower ones long-stalked in 99), 

 approximate or distant, ovoid, oblong or cylindrical ; bracts leafy, 

 longer or shorter than the culm ; perigynia ovoid or oblong- 

 conic, nerved, smooth or pubescent, somewhat coriaceous in tex- 

 ture, with a short bifid beak. 



Perigynia scabro-pubescent scabrata. 



Perigynia smooth or granular, pistillate spikes distant, 



purple polymorpha. 



Perigj^uia pubescent 1 



Perigynia smooth or slightly rough, spikes not purple. . 2 



1 Pistillate spikes cylindrical, leaves involute . filiformis- 



1 Pistillate spikes cylindrical, leaves not involute 3 



3 Leaves and bracts exceeding the culm lanuginosa. 



3 Leaves and bracts shorter than the culm 4 



4 Spikes ovoid or oblong, approximate vestita. 



4 Spikes oblong-cylindrical, distant Houghtonii 



2 Pistillate spikes 6"-12" long, 2'''-4'' wide, leaves involute, striata. 



2 Pistillate sj^ikes 2-3' long, \"-b" wide, leaves flat. . . . riparia. 



99. Carex scabrata Schio. 

 Stems l°-2° high, rather stout, rough on the angles ; leaves 

 numerous, the upper ones surpassing the culm, 2'-3" wide, rough, 

 light-green; staminate spike clavate, 6'-9" long, its peduncle 

 2"-6" in length ; pistillate spikes 3-5, cylindrical, densely flowered 

 above, thinly at the base, approximate or scattered, the upper 2 

 sessile and erect, the others on erect or spreading stalks ^-2^' in 

 length ; bracts leafy, sheathless or sometimes the upper ones 

 short-filiform, the lowest surpassing the culm ; perigynia ovoid. 



