EEPOET OF THB STATE B0TAKI8T. 49 



37. Carex Backii Boott. 



Stems i'-4' high, difiFuse ; leaves 2-4 times the length of the 

 culm, li" wide, slightly rough-margined ; perigynia 2-4, globular- 

 ovate, abruptly contracted into a long, smooth beak ; scales leafy, 

 mostly concealing the spike ; staminate scale-t inconspicuous. 



Woods. Local. June. Found many years ago in Jefferson 



county. The name has recently been changed to C. durifolia 



Bailey. 



38. Carex Willdenovii Schk. 



Stems I'-IO' high or more, slender, erect or diffuse; leaves 

 1"_1^" wide, far surpassing the culm, roughish on the margins; 

 spike 2"-4" long, 4-9 flowered ; perigynia globose-ovoid, rough on 

 the angles and the awl-shaped beak ; scales leaf-like below, the 

 upper broadly lanceolate with a green 3-nerved center and 

 scarious margins, usually exceeding the perigynia, staminate 

 portion 2"-3" long. 



Moist, shady places in woods and ravines. Rare. Jefferson 

 and Cavuga counties. June. Sometimes one or two additional 

 spikes are borne on subradical peduncles. 



39. Carex Jamesii Schw. 



Stems 3-10' high, capillary, spreading or erect; leaves mostly 

 twice the length of the culm, i'-W wide, rough on the margins ; 

 spike conspicuous, loosely 2-5 flowered; perigynia globular, 

 smooth, abruptly contracted into a long, rough-edged beak ; scales 

 leaf like, mostly exceeding the culm; staminate portion 3''-5' 

 long. 



"Woods and ravines. Very rare. Cayuga county. June. This 

 is C. Steudelii Kunth. 



B. Staminate and pistillate flowers disposed in separate spikes 

 on the same culm or plant (monoeecious), or on distinct culms or 

 separate plants (dioecious). 



Stigmas 2, rarely 3 ; achenium lenticular. 

 Plant commonly dioecious. 



40. Carex gynocrates Wormsk. 

 Stems 4-6' high, erect, rough at the summit, as long as the 

 capillary leaves ; sterile spike linear, 6" long or less , fertile spikes 

 4"-5" in length; perigynia oblong-ovate, teretish, 1^" long^ 



7 



