EEPORT OF THE STATE BOTANIST. 49 



37. Carex Backii Boott. 

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

 culm, 1|" wide, slightly rough-margined ; perigynia 2-4, globular- 

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

 mostly concealing the spike ; staminate scale.s incoi spicuous. 



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

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

 Bailey. 



38. Carex Willdenovii S<;hk. 



Stems I'-lu' 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. Eare. Jefferson 

 and Cayuga counties. June. Sometimes one or two additional 

 spikes are borne on subradical peduncles. 



39. Carex Jamesii Schio. 



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

 twice the length of the culm, V-1^" 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"-6" 

 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 



