314 MANAGEMENT OF [chap. ix. 
disguised. Even in a small street-garden* 
with three low walls on three of the sides* 
and the house on the fourth* a very pleasing 
effect may be produced by effectually con¬ 
cealing the boundary walls with ivy; and 
thus permitting the imagination to fix the 
boundary where it will. 
Another general rule in laying out plea¬ 
sure-grounds is to avoid monotony or same¬ 
ness as much as possible. Nothing is more 
wearying to the eye than a place* every part 
of which is alike* and which leaves nothing 
to the imagination. A place regularly dotted 
over with trees at equal distances is quite 
featureless; has nothing to attract the eye* and 
nothing to interest the mind. But if the 
same trees are planted on the same ground 
in masses* with a broad expanse of lawn 
between; the trees sometimes projecting, 
and sometimes showing a smooth glade of 
grass* running in among them* the end of 
which the eye cannot reach* the imagination 
becomes excited* and a degree of interest is 
instantly created. Where the lawn is large* 
a few single trees may be introduced; but 
few things in landscape gardening require 
