PLANTING AND CARE OF TREES 



131 



only, as shown in figure 57. The netting is fastened on with 

 staples and as the tree trunk enlarges^, the wire is drawn through 

 the staples. 



Many trees are injured also by passing vehicles. Where the 

 trunks project out beyond the curb it is difficult to avoid injury. 



r' 



\i:. .W\ ^n' 



,1} ^ 





^*'>Ai. 





Fig. 58. Willow Trees after an ice storm. 



