THE HANDLING OF THE PLANTS 149 
“To bolt a tree correctly is comparatively inexpensive. The 
safest method consists in passing a strong bolt through a 
hole bored in the branch for this 
purpose, and fastening it on the 
164. Trees ruined to allow of the 165. Accommodating a wall to a valuable 
passage of wires. tree. 
outside by means of a washer and anut. Generally the washer 
has been placed against the bark and the nut then holds it 
, in place. A better method of bolting, and 
one which insures a neat ap- 
pearance of the branch in ad- 
dition to serving as the most 
certain safeguard against the 
entrance of disease, is to coun- 
ter-sink the nutinthebarkand jf 
166. The death of a imbed it in portland cement. 167. Bungling 
long stub. The hole for the sinking of — Pruning. 
the nut and washer is thickly coated with lead paint and then 
with a layer of cement, on which are placed the nut and washer, 
both of which are then imbedded in cement. If the outer 
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