128 
[Assembly 
OxALis, (continued.) 
violacea, L. Rocky woods. April-May. 
stricta, L. Cultivated grounds, fields, &c. June -September. 
Order ZANTHOXYLACEiE. 
Zanthoxylum, L. 
americanum, Mill., Torr. <^ Gr. Z. fraxineum, Willd. Prickly 
Ash, Rocky woods. April-May. 
Ptelea, L. 
trifoliata, L. Shruhhy Trefoil. Shore of Lake Erie. June, 
Order ANACARDIACEiE. The Cashew Tribe. 
Rhus, L. Sumac. 
typhina, L. Stag''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, 
<^c. Woods, and along fences. June, 
aromatica, Ait. Dry rocky places. Catskill, &c. April-May. 
Order MALVACEAE. The Mallow Tribe. 
Malva, L. Malloivs. 
^ rotundifolia, L. Road sides and waste grounds. May-Sept. 
Alth^a, L. Marsh Malloiv. 
§ officinalis, L. Borders of salt marshes, Flushing, Oysterbay, 
&c. Long Island. August-September. 
Abutilon, Dill. 
^ avicenuce, GcBrt. Sida abutilon, L. Waste places, Road sides, 
&c. August-September. 
Hibiscus, L. 
virginicus, L. Borders of salt marshes, J-jong Island, 
moscheutos, L. Malloiv Rose. Borders of marshes, particularly 
near the salt water. August-September. 
