Anacardiacece , Polygalaceae, Leguminosw. 
63 
Anacardiace^e. (Cashew Family. ) 
Rhus, L. Sumach. 
110. *R. typhina , L. Staghorn sumach. 
Common. 
111. **i?. glabra , L. Smooth sumach. 
Common. 
112. **R. Toxicodendron , L. Poison ivy. Poison oak. 
Not uncommon in thickets. Often confused with 
Ampelopsis quinquefolia; from which, however, it 
may readily be distinguished by the number and 
form of its leaflets. In R. Toxicodendron the leaf is 
composed of three unsymmetrical leaflets, while in 
A. quinquefolia there are five symmetrical ones. 
POLYGALACEiE. (MlLKWORT FAMILY.) 
Polygala, Tourn. Milkwort. 
113. **P. Senega, L. Seneca snake-root. 
On dry hillsides. Not common. 
114. *P. sanguinea, L. 
Common in low cultivated land. 
115. P. verticillata , L. 
Common on dry points. 
Leguminos^e. (Pulse Family. ) 
Baptisia, Vent. False indigo. 
116. B. leucantha , Torr. & Gray. 
On gravelly hills south of Madison. Not uncom¬ 
mon. 
Lupinus, Tourn. Lupine. 
117. *L. perennis , L. Wild lupine. 
Common. 
Trifolium, Tourn. Clover. Trefoil. 
118. T. prAtense, L. Red clover. 
Largely cultivated. Escaped to roadsides and 
waste places. 
J l9. T. repens , L. White clover. 
Common everywhere. 
