LOMBARDY POPLAR. 



657 



<?»L**, S**~ 



TIIK LEAF. 



THE LEAVES 

 FURTHER DEVELOPED. 



The leaf is smaller than that of the Black Poplar. It resembles 

 it in form, though its base is often contained by a straight line. 

 This gives the leaf a triangular shape more pronounced than in the 

 leaf" of the Black species, where the base is contained by curved 

 [ini Both sides of the leaf have a smooth surface, and though the 



upper one is darker and less dull than the lower, there is a marked 

 emblance between them. The young leaves are rolled and stand 

 upright, and then' colour is a pale greenish-yellow or n-^\. The mature 

 leave hang 01 b<' horizontally on the slender stalks characteristic o| 

 the species. 



