62 SANDUSKY FLORA. 



PONTEDERIACE/C. 



HETERANTHERA, Ruiz & Pav. Mud Plantain. 

 H. GRAMINEA, Vahl. 



Common in still water connected with Lake Erie. 



PONTEDERIA, L. Pickerel weed. 

 P. CORDATA, L. 



Frequent in shallow water connected with Lake 

 Erie. 



JUNCACE/E. 



JUNCUS, L. Rush. Bog-Rush. 



J. ACUMiNATUS, Michx. 



Florence ; rare. 

 J. ALPiNus iNsiGNis, Fries. 



Castalia, Oxford, shores of Lake Erie; frequent. 



Kelley's Island. 

 J. BALTicus OTTORALis, Engelm. 



Castalia. Cedar Point, Marblehead sand spit; 



locally abundant. 



J. BUFONIUS, L. 



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

 rare. 



J. CANADENSIS. 



Shinrock and Sandusky where the so-called va- 

 riety longicaudatus grows. 



J, CANADENSIS BRACK YCEPHALUS, Engelm. 



Castalia, Willow Point, Sandy Beach. 

 J. EFFUSUS, L. Common or Soft Rush. 

 Frequent. North Bass. 



J. MARGINATUS, Rostk. 



Berhn, VermUhon, east of Milan ; infrequent. 



J. NODOSUS, L. 



Frequent, 



