Bui. 820, U. S. Dept. of Agriculture. 



Plate X. 



'rrry»*g« w. 'p« t»~ ' -j. 



Fig.- I. — Overmature Jack Pine Originally Grown in Dense Stand, but 

 NOW Open Through Natural Thinning, and Jack Pine Reproduction 

 Coming up Underneath. Crow Wing County, Minn. 



Fig. 2. — Reproduction of Jack Pine After Clearing and Fires on 

 AN Abandoned Farm in the Jack Plains Region. Michigan. 



