General Principles 



73 



be made up with low or second-sized shrubs alone. Here and 

 there a tree or plant of upright or fastigiate character, such as 

 the Lombardy poplar, the arbor- vitae, fig. 19, and the Irish 

 yew, will make a very striking break towards the front of 



Fig. 18. Elevation of Group. 



the swells, or even nearer the middle of the mass, if well 

 supported with lower plants of another character. 



Single specimens on a lawn ought to be disposed with the 

 greatest nicety and care. For the most part they should be 

 attached to the groups, fig. 19, by being put at some of their 

 salient points, to carry out and soften off the swells in them. 



