62 ' SANDUSKY FLORA. 



PONTEDERIACE^E. 



HETERANTHERA, Ruiz & Pav. Mud-Plantain. 

 H. GRAMINEA, Vahl. 



Common in still water connected with Lake Erie. 



PONTEDERIA, L. Pickerel weed. 

 P. CORD AT A, L. 



Frequent in shallow water connected with Lake 

 Erie. 



JUNCACE/E. 



JUNCUS, L. Rush. Bog-Rush. 

 J. ACUMINATUS, Michx. 



Florence ; rare. 

 T. alpinus insignis, Fries. 



Castalia, Oxford, shores of Lake Erie; frequent. 



Kelley's Island. 

 J. balticus eittoralis, Engelm. 



Castalia, Cedar Point, Marblehead sand spit; 



locally abundant. 

 J. bufonius, L. 



Sandusky near B. & O. and L. S. & M. S. Ry's; 



rare. 



J. CANADENSIS. 



Shinrock and Sandusky where the so-called va- 

 riety longicaudatus growls. 



J, CANADENSIS BRACHYCEPHALUS, Engelm. 



Castalia, Willow Point, Sandy Beach. 

 J. EFFUSUS, L. Common or Soft Rush. 

 Frequent. North Bass. 



J. MARGINATUS, Rostk. 



Berlin, Vermillion, east of Milan ; infrequent. 

 J. nodosus, L. 

 Frequent, 



