MOSELEY. 61 



ARIS^EMA, Mart. 



A. dracontium, Schott. Green Dragon, Dragon-root. 



Scarce. 

 A. triphyllum, Schott. Indian Turnip. 



Common. 



SYHPLOCARPUS, Salisb. Skunk Cabbage. 

 S. FOETIDUS, Nutt. 



Infrequent. 



LEMNACE>£. 



LEMNA, L. Duck-weed, Duck's-raeat. 

 L. MINOR, L. 



Common at Castalia and on still water connected 



with Lake Erie. Islands. 

 L. polyrrhiza, L. (Spirodela polyrrhiza, Schleid.) 



Common on still water connected with the Lake. 



Florence. 

 L. trisulca, L. 



Castalia and still waters connected with the 



Lake; infrequent- Put-in-Bay. 



WOLFFIA, Workel. 



W. Columbiana, Karsten. 



Mouth of Old Woman Creek, Pipe Creek, Put-in- 

 Bay ; local. 



COMHELINACE^. 



TRADESCANTIA, L. Spiderwort. 



T. yirginiana, L. 



Frequent, especially on Cedar Point. 

 T. yirginiana occidentals, Britton. 



B. & O. Ry. seven miles south of depot ; rare. 



