35 



CATALOGUE. 



PTERIDOPHYTA. 



OPHIOQLOSSACE/E. 



BOTRYCHIUM, Swartz. 



B. TERNATCM, Swartz. 



Eastern Milan, Berlin, Florence, Vermillion; in- 

 frequent. Varies greatly. 



B. YiRGiNiAXUM, Swartz. 



Frequent. Put-in-Bay. 



FILICES. 



ADIANTUn, L. 



A. PEDATUM, L. Maiden-hair Fern. 

 Common. Not on the Islands. 



ASPIDIUM, Swartz. 



A. ACROSTiCHOiDES, Swartz. Shield Fern. 



Scarce in Perkins. Common on high banks of 



Huron and Vermillion Rivers. 

 A. CRiSTATUM, Swartz. 



Vermillion River bottoms, Florence; rare. 



A. GOLDIANUM, Hook. 



Florence and Kromer's woods, Perkins ; scarce. 

 A. MARGiNALE, Swartz. 



Common on steep river banks. 



A. NOYEBORACENSE, Swartz. 



Infrequent. 



