TEXTBOOK OF LANDSCAPE GARDENING 
When all pupils report their inventories should be summar- 
ized and reduced to percentages. Such a summary will indicate 
the relative popularity of the several species used as street trees; 
‘and this popularity, with some exceptions, is a fair index of the use- 
fulness of the different species. 
Ce 
Fic. 37. Live Oak 1n SAVANNAH 
Questions 
What species are overplanted? and what species might well be 
more generally planted? This inquiry involves a searching criti- 
cism of the foregoing findings, and this discussion should be given 
ample time in class. 
In the field examination, however, the pupil should collect 
other information beyond the mere census of trees. He should 
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