Shai'kr : ^■.■\sl•l i.AK l''i(>K.\ oj Ai.i.i.ciii N\ County. ;J7 



STAPHYLEACE^ Dc Candollc. 

 l".l,\I)l)i:i<-M"l' I \M1I.V. IV-66. 



STAPH YLEA Linm^us. 



* S. trifolia Linn;vus. American bladder-nut. 



ANACARDIACEiE Lindley. 



SUMAC FAMILY. IV-62. 



RHUS LinncTus. 



* R. hirta (Linnteus). Staghorn sumac. 

 J?, typhi na I.innasus. 



-■= R. glabra Linnaeus. Smooth sumac. 



* R. copallina Linn;^us. Dwarf sumac. 



'^ R. Vernix Linmcus. I'oison sumac. 

 R. venenata De Candolle. 



O'Hara Township, Swamp by W. P. R. R., near Allegheny City 

 Poor I'arm, Nov., 1899. 



=i= R. radicans Linnn^us. Poison ivy. 



i R. aromatica Alton. Fragrant sumac. 



POLYGALACEiE Rcichenbach. 

 MILKWORT FAMILY. IV-56. 

 POLYGALA Linnaius. 

 T P. paucifolia Willdenow. Iringed milkwort. 



V P. polygama ^Valter. Racemed milkwort. 



T P, Senega l-innieus. Seneca snakeroot. 



