158 STATE HOETICULTUEAL SOCIETY 



2029. U. fulva, Michx. Red Elm; Slippery Elm. 

 Common in upland woods. 



CELTIS, Tourn. 



2030. C. crassifolia, Lam. Haekberry. 

 Eather common, often on higher grounds. 



MORACE.E. MULBERRY FAMILY. 



CANNABIS. 



2031. C. sativa, L. Hemp. 



Common in wet places. Introduced. 

 MORUS, L. 



2032. M. rubra, L. Red Mulberry. 

 Infrequent. 



TOXYLON, Raf . 



2033. T. pomifera, Ref. Osage Orange. 

 South ; introduced as a hedge plant. 



HUMULUS, L. 



2034. H. lupulus, L. Hop. 

 Near dwellings, introduced. 



URTICACE-ffi. NETTLE FAMILY. 



URTICA, Ait. 



2035. U. gracilis* Ait. Slender Nettle. 

 Common in rather dry places. 



2036. U. dioica, L. Stinging Nettle. 

 Infrequent. 



URTICASTRUM, L. 



2037. U. divaricatum, (L.) Kuntze. Wood Nettle. 

 In rich woods. Common. 



ADICEA, Raf. 



2038. A. pumila, (L.) Ref. Richweed. 

 Low places, quite common. 



PARIETARIA, L. 



2039. P. pennsylvanica, Muhl. Pennsylvania Pellitory. 

 Dry rocky banks. Common. 



