650 REPORT OF STATE GEOLOGIST. 



C. inflexus Muhl. Awned Cyperus. 



Reported only from the southern part of the State, as growing 

 sparsely in wet, sandy soils. 



Flowers from July through September. 

 Jefferson and Allen. 



C. Schweinitzii Torr. 



Found along sluggish streams and about the shores of lakes and 

 ponds, in sandy soil. Reported only from the northern counties, 

 but doubtless occurring in favorable situations throughout the State. 

 Flowers from early August through September. 

 Laporte (Barnes). 



C. esculentus L. Yellow Nut-grass. 



Reported from the southern counties as growing in open places in 

 moist soils. Usually abundant in the stations in which it occurs. 

 Flowers in August and September. 

 Jefferson (Barnes). 



C. erythrorhizos Muhl. Red- rooted Cyperus. 



Throughout the State, along streams and upon the margins of 

 lake3 and ponds in wet soils. 



Flowers in August and September. 



Hamilton (Wilson) ; Putnam (MacDougal) ; Steuben (Bradner). 



C. speciosus Vahl. 



Reported from southern counties only. Found in marshes, or in 

 low, wet sandy soils. Not frequent. 



Flowers from July until late in September. 

 Vigo (Blatchley) ; Jefferson (Barnes). 



C. Engelmanni Steud. 



About the margins of lakes in wet soils, usually sandy loams, in 

 the northern counties. 



Flowers from August through October. 

 Shriner Lake (Deam) ; Lake (Hill). 



C. strigosus L. Straw-colored Cyperus. 



This species is of general occurrence throughout the State and is 

 abundant in all stations. Found growing in moist soils in open 

 places, being especially abundant in marshes and along streams. 



Flowers in August and September. 



Tippecanoe (Cunningham) ; Daviess (Clements) ; Jefferson 

 (Barnes) ; Putnam (MacDougal) ; Vigo (Blatchley) ; Hamilton 

 and Marion (Wilson) ; Steuben (Bradner). 



