MOSELEY. 117 



V. tenella, Muhl. ( Viola tricolor arvensis DC, 

 perhaps.) Field Pansy. Cedar Point, Johnson's 

 Island, Marblehead, Catawba. Put-in-Bay ; in- 

 frequent but apparently indigenous. V. tricolor 

 L., Pans\% persists where it has been cultivated. 

 Three other species grow in Cu\-ahoga county. 

 See page 30. 



CACTACE/E. 



OPUNTIA, mil. Prickly Pear. 



O. rafinesquii, Engelm.* 



Cedar Point and one field in Margaretta ; 

 common. Marblehead; scarce. 



THYHEL^EACE/E. 



DIRCA, L. Leatherwood. Moosewood. 

 D. PALUSTRIS, L. 



One bush on Beecher's flats, Vermillion River, 

 southern Florence. "Formerly plentiful" there. 



EL^EAQNACE^E. 



SHEPHERDIA, Nutt. 



S. CANADENSIS, Nutt. 



One spot on east fork Vermillion River; rare. 

 "Cedar Point," W. A. Kellerman. 



LYTHRACE/E. 



AMMANNIA, L. 



A. coccinea, Rottb.* 



Presque Isle Point, Peninsula; local. 



