Chap. XXIII.] 



TRAINING. 



391 



repress the upper portions of the tree by summer-pinching. The 

 form here figured, in common with all very large wall and espalier 



trees, takes a long time to complete. Given a wall 10 ft. or 

 12 ft. high, and 20 ft. or 24 ft. long, to be covered with a tree 



2 D 2 



