COLLECTION OF SEED. 



15 



RAN6E OF WESTERN YELLO* PINE 

 (PINU8 PONDER08A) 



ARCA8 OF SEED CROP 1909 



FIG. 2A. Range of western yellow pine, and areas of seed 



crop, 1909. 



AREAS OF SEED CROP 1910 



FIG. 2B. Range of western yellow pine, and areas of seed crop, 1910. 

 5274 Bull. 9811 3 



