15 
No. 406.] 
Order XXVII. OXALIDACEiE. The Sorrel Tribe. 
OxAiis, i. Sorrel. 
acetosella, L. [Common Wood Sorrel,) Woods, Northern and 
western parts of the State. June, 
violacese, L. Rocky woods. April, May. 
corniculata, L. Cultivated grounds. Summer, 
stricta, L. With the preceding. 
Order XXVIII. ZANTHOXYLACEiE. 
Zanthoxylum, L. Toothach Tree. 
Americanum, Miller. [Prickly Ash,) Hills. Highlands of New- 
York, &c. April, May. 
Ptelea, L. Shrubby Trefoil. 
trifoliata, L. Rocky shady places. Lake Erie. June. 
Order XXIX. ANACARDIACEiE. The Cashew Tribe. 
Rhus, L. Sumac. 
typhina, L. [Stagshorn Sumac,) Borders of woods, &c. June. 
glabra, L. Rocky places. July, August. 
copallina, L. Rocky places. July, August. 
venenata, D. C. [Poison Sumac^ Poison Elder.) Swamps. June. 
toxicodendron, L. Woods and hills. May, June. 
aromatica. Ait. Rocky places. April, May. 
Order XXX. MALVACEAE. The Mallow Tribe. 
Malva, L. Mallow. 
rotundifolia, L. Waste grounds. Introduced. Summer. 
Althaea, L. Marshmallows. 
officinalis, L. Borders of salt marshes. North side of Long Island. 
Introduced. September. 
Abutilon, Bill. 
Avicennas, Gcert. (Sida abutilon, L.) Waste places, &c. In¬ 
troduced. Summer. 
Hibiscus, L. 
Virginicus, L. Salt marshes. Long Island, 
moscheutos, L. Marshes. August, September. 
