BEHAVIOR OF A GREENING TREE 253 



attained smut 1 age. All these pictures (168-174) 

 arc drawn with great care to a scale, and the 

 length of trunk bears a true proportion to the 

 width of the top in every case. In the winter 

 of 1892-3 the tree, as shown in Fig. 170, was 

 pruned to the extent shown in Fig. 171, and the 



172. The same tree starting into growth (1893). 



following summer (that is, 1893) the tree had 

 the form shown in Fig. 172. Late in the season 

 of 1894 the tree was drawn again, as shown in 

 Fig. 173. The following winter it was again 

 pruned, and in the spring of 1895 it had the 

 appearance ef Fig. 174. It will be seen that the 

 long and stilt -like character of the tree has wholly 



