42 MANUAL OF GARDENING 
sired, nothing is better to plant than these trees; but better trees, 
as maples, oaks, or elms, should be planted with them, and the 
poplars and willows should be removed as rapidly as the other 
species begin to afford protection. When the plantation finally 
assumes its permanent characters, a few of the remaining 
33. A spring expression worth securing. Catkins of the small poplar. 
poplars and willows, judiciously left, may afford very excel- 
lent effects; but no one who has an artist’s feeling would be 
content to construct the framework of his place of these rapid- 
growing and soft-wooded trees. 
I have said that the legitimate use of poplars in ornamental 
grounds is in the production of minor or secondary effects. 
As a rule, they are less adapted to isolated planting as speci- 
