Bulletin No. 22, Div. of Forestry, U. S. Dept, of Agiicult 



PLATE X. 



FIG. 1. A THINNED PINE GR.OVE IN NEW HAMPSHIRE (TREES 51 YEARS OLD 186 TO THE ACRE;. 



FIG. 2. YOUNG PINE IN NEW HAMPSHIRE (TREES 20 YEARS OLO>. 



