FOREST TREES 
ities that please the eye or appeal di- 
rectly to the mind. 
In accordance with the ideas already 
expressed in the Preface, the considera- 
tions that will determine what trees shall 
be described are as follows: first, trees 
of beauty; next, those that are common 
and familiar; finally, those that are im- 
portant both for the present and the fu- 
ture because they are useful and have 
an extended geographical distribution. 
The trees selected for description 
will here be divided into the two con- 
ventional groups of broadleaf species 
and conifers, beginning with the former. 
THE BROADLEAF TREES 
In the “Landscape Gardening” of 
Downing we read concerning the oak,— 
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