240 



Explanation of Terms. 



Fig. e. Fig. /. Fig. g. 



(2) Lance-shaped, when it is much longer than wide, 

 and gradually tapering to a point. (Fig. 2, Willow.) 



Fig. i. 



Fig. h. 



(3) Inversely lance-shafted, when gradually tapering 

 down instead of up. 



(4) Egg-shafted, when it is the shape of an egg, with 

 the broadest part below the middle, but without regard to 

 the base and apex. (Fig. J, Dogwood.) 



(5) Inversely egg-shafted, when it is the shape of an 

 egg, but with the broadest part above the middle. 



