Bulletin No. 26, Div. of Forestry, U. S. Dept. of Agr PLATE X. 
Fic. 1.—A SMALL SPRUCE, ONCE SUPPRESSED, WHICH HAS BEEN GROWING 
VIGOROUSLY SINCE THE REMOVAL OF THE SHADE. 
Fig. 2.—A SMALL SPRUCE WHICH HAS RECOVERED ITS NORMAL RATE OF 
GROWTH AFTER YEARS OF SUPPRESSION. 
From A Primer of Forestry. 
