402 



Canadian Forestry Magasine, August-September, ig>20. 



Plantations of Northern Jack Pine (left) and Chinese Larch 1.1 



hen eight years old. (Pensylvannia) 



form, stockiness, weight and volume. 

 Some method of grading is imperative 

 under such conditions. An accompany- 

 ing ihustration shows the wide range in 

 size of three-year-old Norway Spruce 

 seedlings. This illustration does not 



show an unusual range in size and form, 

 but presents a condition which usually 

 exists in densely stocked beds. 



In order to ascertain more accurately 

 the degree of variation a study was 

 made of three-year White Pine seedlings 



