Bui. 523, U. S. Dept. of Agriculture. 



Plate IX. 



F-92256 



FiQ. 1.— Disk from 185-Year-Old Pumpkin Ash from Southeastern Missouri. 

 Slow growth and not strong for ash. 



I 



F-95255 



Fig. 2.— Disk from 200-Year-Old Black Ash from Northern Michigan. 

 Very slow growth and weak wood for ash. 



