40 SANDUSKY FLORA. 



MONOCOTYLEDONES. 



TYPHACE^e. 



SPARQANIUM, Tourn, Bur-reed. 



S. ANDROCLADUM. Engelm. 



Lake marshes. Middle Bass. 

 S. EURYCAEPTJM, Engelm. 



Lake marshes. Middle Bass. 

 S. SIMPLEX, Huds. 



Southern Florence, Shinrock. 



TYPHA, Tourn. 



T. AUGUSTIFOLIA, L. 



Castalia stream, Portage River and North Bass ; 

 scarce. 

 T. LATiFOLiA, L. Common Cat-tail. 

 Common. 



NAIADACEAE, 



NAIAS, L., Naiad. 



N. FLExiLis, Rostk, and Schmidt. 



Common. 

 N. FLEXILIS ROBUSTA, Morong.* 



Infrequent. 



N. GRACILLIMA, A. Br.* 



• "Portage River" A. J. Pieters. 



POTAMOQETON, Tourn. Pond-weed. 



P. AMPLiFOLius, Tuckerm, Deep water; infrequent. 

 P. FOLiosus, Raf. 



East Harbor, Put-in-bay, North Bass ; mostly in 



shalloAAT water. 



P- FOLIOSUS NiAGARENSis, (Tuckerm.) Morong.* 



North Bass and small streams in Erie County, 

 especially Mills Creek. 



