58 SANDUSKY FLORA. 



CYPERUS, L. Galingale. 

 C. diandrus, Torr. 



Frequent. Islands. The so-called variety cast- 

 aneus on Cedar Point. 



C. ESCULENTUS, L. 



Frequent in cultivated ground. 

 C. filiculmis, Vahl, (Makiscus glomeratus, Barton.) 



Rather frequent in sand. 

 C. flavescens, L.* 



Frankinberg's pasture, south-eastern Florence. 

 C. michauxianus, Schult, (C. speciosus, Vahl.) 



About Sandusky Bay ; scarce. 

 C. refractus, Engelm.* 



East branch, Vermillion River; one specimen. 

 C. schweinitzii, Torr. . 



Cedar Point ; common. Port Clinton. 



C. strigosus, L. 



Common and variable. Abundant in many 

 pastures. One specimen over three feet tall has 

 primary rays 8 inches long, secondary rays 2Y2 

 inches, spikelets nearly 1 inch. 



DUL1CHIUM, Pers. 



D. spathaceum, Pers. 



Perkins, Milan, Cedar Point; local. 



ELEOCHARIS, R. Br. Spike-Rush. 



E. acicularis, R. Br. 



Castalia and borders of marshes connected with 

 Lake Erie ; frequent. Bass Islands. 

 E. acuminata, Nees.* (E. compressa, Sullivant. ) 



Sandusky, Cedar Point, Huron, Marblehead ; 

 scarce. 



E. ENGELMANNI, Steud.* 



North of TisdelPs, Vermillion ; rare. 



E. INTERMEDIA, Schult. 



Cedar Point, Johnson's Island, Marblehead, 

 Bass Islands; frequent. 



