264 



Cyperaceae 



Carex 



15 



Map 547 



Carex comosa Boott 



J 



55 



Map 548 



Carex Pseudo-Cyperus L. 



o 53 



Map 551 



Carex subimpressa Cloke 



of lakes (often in shallow water) and in swamps, sloughs, and ditches. In 

 southern Indiana it is known only from a single collection from Floyd 

 County. 



Que. to Minn., southw. to Fla. and La. ; also locally in the Pacific Coast 

 States. 



120. Carex Pseudo-Cyperus L. Map 548. Rare on lake borders and in 

 sloughs and swamps in northern Indiana where it reaches the southern 

 limit of its range. Like C. comosa it frequently grows in shallow water, 

 rooted in muck. 



Newf. to Sask., southw. to Conn., N. Y., Ind., and Minn. ; also in Eurasia. 



38. § PALUDOSAE 



Beaks of perigynia much shorter than the hody, the teeth short, about 0.5 mm long, 

 erecl or nearly so; foliage glabrous. 

 Perigynia glabrous. 



