30 



THE WHITE PINE 



At a place in Lycoming County near Otter 

 Run an astonishingly large number of kinds of 

 trees occurred on a fresh sandy loam in mixture 



Fig. 5. 



Feet. 



60 



50 



40 



30 



20 



10 



0 10 20 30 40 Years. 



White Pine. 



Tulip Tree. 



Basswood. 



Red Maple. 



with White Pine. Upon an area of not more 

 than twenty acres the following species were 

 growing in natural forest : 



Yellow Poplar {Liriodendron tuUpifera, L.). 

 Basswood {Tilia aynericana^ L,), 

 Sugar Maple (Acer barhatum, Michx.), 

 Red Maple (Jeer mhnim, L.). 



Pin or Wild Red Cherry {Primus pennsylvanica, L, f.). 



