98 Annai.s ok iiik Carnkgik Muskum. 



CELTIS Linnaeus. 



* C. OCCidentalis Linnnms. Hackberry. 



MORACEiE Lindley. 

 MUIJ5ERRV FAiMILY. IV-9. 



CANNABIS Linnieus. 



* C. sativa Linnteus. 



Pittsburgh, occasionally, in waste ])laces. 



HUMULUS Linnaius. 



* H. Lupulus Linnaeus. Hojj. 



Doubtfully native. 



TOXYLON Rafines(iue. 

 MACLURA Nuttall. 



* T. pomiferum Rafines(|ue. Dsage orange. 

 ^[. aiiraiitiaca Nuttall. . 



Escaped from hedges. 



MORUS Linnreus. 



* M. rubra Linnaeus. Red mulberry. 



* M. alba Linn^tus. White mulberry. 



Moon rownshi]), two trees bv fence-row, W'm. Tondinson's. 1890. 



URTICACEJE Reiclicnbacii. 



NETTLE F.VMILY. IV- 10. 



URTICA Linnanis. 



* U. gracilis Alton. Slender nettle. 



j U. dioica Linn;vus. Stinging nettle. 



