MOSELEY. 161 



S. NEMORALIS, Ait. 



Frequent. Islands. 

 S. ohioensis, Riddell. 



Castalia prairie ; infrequent. 

 S. patula, Muhl. 



Florence, Milan, Castalia, Kelley's Island; 



infrequent. 

 S. riddellii, Frank. 



Castalia; frequent. Marblehead, Groton, House's 



swamp, Perkins ; infrequent. 

 S. RIGID a, L. 



Marblehead and Oxford ; frequent. Huron, San- 

 dusky, Margaretta, Groton, Middle Bass; local. 

 S. rugosa, Mill. 



East of Milan ; local. 

 S. serotina, Ait. 



Frequent. 



S. SEROTINA GIGANTEA, Gray. 



Milan, Oxford, southern Perkins; scarce. 



S. speciosa, Nutt. 



Huron River and Peninsula; infrequent. South- 

 ern Perkins ; scarce. 



S. speciosa angustata, Torr & Gray.* 



Leonard's Hazel Patch, Perkins; rare. 



S. TENUIFOLIA, Pursh. 



Oxford prairie ; abundant. 

 S. ulmifolia, Muhl. 



Marblehead; frequent. Elsewhere infrequent. 

 Islands. 



TANACETUM, L. Tansy. 



T. vulgare, L. 



Roadsides ; frequent. Islands. The ordinary 

 form is the variety crispum, but the other occurs 

 in " Perkins " and on " Kelley 's Island." 



