16 



MASS. EXPERIMENT STATION BULLETIN 418 



Mailing XV. 

 Leaf medium sized, hroad, oval, flat, with moderately sharp, shallow serrations. 

 Growth rather tall nd stout. Bark with few grayish inconspicuous lenticels. 



Mailing XVI. 

 Leaf medium sized, dark green, with very shallow serrations, often none on lower leaves. 

 Growth moderately vigorous. Bark dull dark red with inconspicuous lenticels. 



