36 Anxals of thk Carnegie Museum. 



PARTHENOCISSUS Planchon. 

 AMPELOPSIS Michaux. 

 ^'- P. quinquefolia (Linnaeus). Virginia creeper. 



HIPPOCASTANACE^ Torre>' and Gra>-. 

 BUCKEYE FAMILY. IV-68. 



iESCULUS Linnaeus. 



=•'- M. glabra Willdenow. Ohio buckeye. 



Forward Township, in a clearing near Gamble's P. O., June 

 1886. 



* M. octandra Marshall. Sweet buckeye. 

 yE. flm'a Alton. 



ACERACE^ St. Hilaire. 

 MAPLE FAMIIA'. IV-67. 

 ACER Linnaeus. 

 n:^ a. Pennsylvanicum Linnaeus. Striped mai)le. 



* A. spicatum Lambert. Mountain-maple. 



=•' A. Saccharum Marshall. Rock- or sugar-maple. 



* A. nigrum Michaux. Black sugar-maple. 



* A. saccharinum Linnaeus. Silver maple. 

 A. dasycarpi/m Ehrhart . 



■> A. rubrum Linnaeus. Red, or swamp maple. 



With us this tree grows on rocky hillsides, seldom in lowlands. 



■^ A. Negundo Linuc-eus. Ash-leaved maple; 



