Fig. 1.— Specimens of Rocky Mountain and coast forms of Douglas fir, from a planta- 

 tion 7 years old. The mountain form was 5 years old when planted, and the coast 

 form 3 years old. Their heights are : Mountain form, 8 feet 10 inches ; coast form, 15 

 feet 6 inches. 

 [Cir. 150] 



