But. 479, U. S. Dept. of Agriculture. 
Plate XV. 
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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. 
