DEFECTS IN THE ECONOMIC PROPERTIES OF WOOD. 153 



In the case of broadleaved trees united at their base to form 

 two or more stems, except in early thinnings, it is best to leave all 

 the stems rather than to cut one, as each stem has a lop-sided 



. *'>!. Four oaks each ten feet in girth. Forest of S. Gobain near Laon. 



crown and when isolated is very liable to windfall, while 

 together they have a united crown and frequently form a 

 splendid clump of trees, as in Fig. 64. Tr.] 

 As regards branches of broadleaved trees, that in young poles 



