THE PEAR. 



105 



insects with which they abound. It is an advantage to 

 have the walls covered with a thick layer of plaster, so 

 that the nails may be driven in sufficiently deep at any 



Fig. 91. Nail Basket. 



lig. 92. Branch fixed 

 against a wall. 



point. When this cannot be done, on account of the 

 expense, or for other reasons the wall is unsuitable for 

 nailing, it is best to fasten by means of a trellis. 



Fastening by Trellis. The trellis may be made either 



Fig. 93. Wood Trellis. 



of wood or iron wire. There has always been a preju- 

 dice against the latter material ; but as long experi- 



r3 



