128 [Assembly 



Oxalis, (continued.) 



violacea, L. Rocky woods. April-May. 



stricta, L. Cultivated grounds, fields, &c. June-September. 



Order ZANTHOXYLACEiE. 



Zanthoxyltjm, L. 



americanum, Mill., Torr. fy Gr. Z. fraxineum, Willd. Prickly 

 Ash. Rocky woods. April-May. 



Ptelea, L. 



trifoliata, L. Shrubby Trefoil. Shore of Lake Erie. June. 



Order ANACARDIACE^. The Cashew Tribe. . 



Rhus, L. Sumac. 



typhina, L. Siag's-horn Sumac. Rocky hills. June, 

 glabra, L. Smooth Sumac. Rocky places. July-August, 

 copallina, L. Mountain Sumac. Rocky hills. July-August, 

 venenata, D. C. Poison Sumac, Poison Elder. Swamps. June, 

 toxicodendron, L. Poison Oak, Poison Ivy. Borders of woods, 



&c. June. 

 Var. radicans, Torr. R. radicans, L. Poison Ivy, Mercury, 



fyc. Woods, and along fences. June, 

 aromatica, Ait. Dry rocky places. Catskill, &c. April-May. 



Order MALVACEAE. The Mallow Tribe. 



Malva, L. Malloios. 



§ rotundifolia, L. Road sides and waste grounds. May-Sept. 



Althaea, L. Marsh Mallow. 



§ officinalis, L. Borders of salt marshes, Flushing, Oysterbay, 

 &c. Long Island. August-September. 



Abutilon, Dill. 



§ avicennas, Gcert. Sida abutilon, L. Waste places, Road sides, 

 &c. August-September. 



Hibiscus, L. 



virginicus, L. Borders of salt marshes, J^ong Island, 

 moscheutos, L. Malloio Rose. Borders of marshes, particularly 

 near the salt water. August-September. 



