62 KEY TO GENERA AND SPECIES 



107. Leaflets averaging 5 to 7108. 

 107. Leaflets averaging 7 to n no. 



Fig. 109. Shag-bark Hickory (lowest pair of leaflets 

 usually pointing backwards). 



108. Leaflets usually 5, the lowest pair much 

 smaller. Husk of fruit more than | of an 

 inch thick. Kernel of seed sweet. Bark of 

 old trunks separating into loose plates. 

 Central Me. to southern Quebec and south- 

 westward. (Figs. 109, no.) Shag-bark 

 Hickory, Shell-bark Hickory, Carya ovata 

 (Mill.) K. Koch. 



