KEY TO GENERA AND SPECIES 33 



planted), with smooth gray bark, long 

 pointed buds, and deeply divided leaves, 

 may be sought here if the leaves are some- 

 what toothed as well as deeply cut. 



63. Leaflets all attached at one point (i. e., leaves 

 palmately compound), with no stalk to 

 any of the leaflets. Cult. Horse-chestnut, 

 Buckeye, 195. 



63. Leaflets scattered along both sides of the com- 



mon axis (i. e., leaves pinnately compound); 

 if composed of only 3 leaf- 

 lets then the terminal one 

 with a distinct individual 

 stalk. (See Figs. 234, 

 237.) 64. 



64. Leaves with an odd leaflet at 



the tip 67. 



64. Leaves usually with a pair 

 of leaflets at the tip 65. 



65. With thorns on the branches 

 or trunk. Central N. Y. 

 and Penn. southwestward a. Once compounded 

 and westward, also cult. 8 

 and escaped. (Figs. 54, leaf. 



