160 SANDUSKY FLORA. 



S. aureus, L. Golden Ragwort. 

 Frequent. 



S. aureus obovatus, Torr & Gray. Squaw- weed. 

 Common. Kelley's the only island. 



S. aureus balsamit^e, Torr & Gray. 



Castalia, Perkins, Marblehead, Catawba; fre- 

 quent. Put-in-Bay. 



SILPHIUM, L. Rosin-weed. 



S. perfoliatum, L. Cup-Plant. 



Huron and Vermillion rivers ; infrequent. Cas- 

 talia; local. 



S. terebinthenaceum, Jacq. Prairie Dock. 

 Common on the prairies. 



S. TRIFOLIATUM, L. 



Frequent. 



SOLIDAQO, L. Golden-rod. 

 S. B1COLOR, L. x 



Frequent. 

 S. bicolor concolor, Torr & Gray. 



Rocky shores of the Put-in-Bay Islands; 

 infrequent. 



S. caesia, L. 



Common in rich woods. Islands. 



S. CANADENSIS, L. 



Abundant. 

 S. juncea, Ait. 



Frequent. v. 



S. LANCEOLATA, L. 



Common. 



S. LATIFOLIA, L. 



Florence; frequent. Vermillion, Berlin Heights, 

 Milan, Perkins, Catawba, Kelley's Island, Green 

 Island, Rattlesnake; scarce. 



