16 



MISSOURI AGR. EXP. STA. RESEARCH BULLETIN 41 



shorter until a diameter of fifteen inches is reached; beyond this 

 point the disparity increases until at twenty-two inches Mis- 

 souri trees have attained a height of but 74 feet as against 85 feet 

 for trees across the river. 



The disparity is even greater in the case of the white oak. A 

 difference in height of 5 feet (25-30) at 4 inches increases to a dif- 

 ference of 18 feet (70-88) at 20 inches D. B. H. 



TABLE VIII. RELATION OF AGE, HEIGHT AND VOLUME TO DIAMETER AT BREAST- 

 HEIGHT POST OAK. 



