300 



THE PARKS AND QARDENS OP PARIS. [Chap. XVUI 



merely treated as we train a single branch of a fan-shaped tree, 

 and requires none of the careful pruning necessary to form the 

 more elaborate shapes. Healthy young plants, a year from the 



Pear-tree trained in U form for very high walls. 



graft, are chosen, planted at from 16 to 18 inches apart, and 

 trained as explained in the accompanying figures. 



Sometimes the Pear is trained as a Tertical single or double 

 cordon. Of the two forms the single is preferable, and it is 

 chiefly suited for very high walls, the gable ends of outhouses, and 



