Fig. 1.— Western Yellow Pine: 1,1-0 from Spring-Sown Seed; 2, 1-0 from Fall 

 Sown Seed; 3, 2-0; 4, 1 -1 ; 5, 2-1 ; 6, 1 -2; 7, 2-2. 



Fig. 2.— Engelman Spruce: 1,1-0 from Spring-Sown Seed; 

 2, 1-0 from Fall-Sown Seed: 3, 2-0; 4, 2-1; 5, 2-2. 



Fig. 3.— Douglas Fir: 1, 1-0 from Spring-Sown Seed; 2,1-0 from 

 Fall-Sown Seed; 3, 2-0; 4, 2-1 ; 5, 2-2; 6, 2-3. 



