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. Alarblehead, Groton, House's 



swamp, Perkins ; infrequent. 

 S, RIGIDA, 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. IJLMIFOLIA, Muhl. 



Marblehead; frequent. Elsewhere infrequent. 

 Islands. 



TANACETUM, L. Tansy. 



T. Yulgare, L. 



Roadsides ; frequent. Islands. The ordinary 

 form is the variety crispum, but the other occurs 

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



