100 



PRINCIPLES OF AMERICAN FORESTRY. 



TABLE SHOWING THE APPROXIMATE HEIGHTS OF ONE- 

 YEAR-OLD SEEDLINGS GROWN ON GOOD AVERAGE 

 SOIL IN MINNESOTA (Continued'), 



size of seed and dryness. In the case of the Birch there 

 are perhaps four hundred thousand; in Scotch, Shortleaf, 

 Red Pine, and Norway Spruce there are perhaps seventy 

 thousand; in White Pine about thirty thousand; in Box- 



