FLORA OF THE MIAMI VALLEY. 41 



MORUS, TOURN. 



M. rubra, L. Mulberry. 



URTICA, TouRN. 

 U. gracilis, Ait. Tall Nettle. 



LA PORTE A, Gaudichaud. 

 L. Canadensis, Ciaiidichaud. Wood Nettle. 



PILEA, LiNDL. 



P. pumila, Gray. Oearweed. 



PARIETARIA, Tourn. 

 P. Pennsylvanica, Muhl. Pellitory. 



CANNABIS, Tourn. 

 C. sativa, L. Hemp. 



PLATANACE^— The Sycamore Family. 



PLATANUS, L. 

 P. occidentalis, T. American Sycamore. 



JUGLANDACEiE— I'he Walnut Family. 



JUG LANS, L. 

 J. cinerea, L. Putternut. 

 J. nigra, L. Plack \\'alnut. 



CARVA, NiTT. 

 C. alba, Nutt. Shell-bark Hickory. 

 C. sulcata, Nutt. 

 C. tomentosa, Nutt. 

 C. amara, Nutt. liitter-nut Hickory. 



