﻿Scott: A Study of Pasture Trees and Shrubbery 455 



Gradually the free portion of the tree extends beyond the 

 lower branches. The lower portions are now shaded and finally 

 are removed by self pruning until there results the usual rounded 



head supported by a single trunk or perhaps by a group of two or 

 three coordinate trunks. However the evidence of the struggle 

 by which the tree has attained its adult shape is seldom ([uite lost. 



