Insects and Diseases of Ornamental 
Trees and Shrubs 
By E. P. Felt and W. H. Rankin $5.00 
243 illus.; 507 pages; 5% x 9 1 /* inches 
This is a complete and up-to-date handbook. The 
first part deals with the injuries caused by insects, 
diseases, and other causes such as weather, abrasions, 
gas, smoke, etc. It tells how to prevent pests and 
control their depredations. It includes complete in¬ 
structions for spraying and other control measures, 
including tree surgery. The second half is arranged 
alphabetically by the name of the tree or shrub, giving 
for each the principal insects and diseases which 
attack it, with illustrations of their work, and how 
to control them. 
The two authors are the outstanding authorities in 
their respective fields. 
Weeds 
A Manual of Weeds 
By Ada E. Georgia $3.00 
386 illus.; 593 pages; 5|/a x 8 j /2 inches 
This book identifies many plants that puzzle the 
grower and tells whether they have value, and if un¬ 
desirable, the best way to get rid of them. Technical 
language is not used. Every species of weed known 
to occur in the United States or Canada is described 
and its habitat stated. Nearly 400 original drawings 
made directly from the plants increase the book’s use¬ 
fulness. 
Fertilizers 
Fertilizers 
By E. B. Voorhees $2.50 
Revised by S. B. Haskell 
29 illus.; 310 pag es; 5 x 7/2 inches 
Presents usable plans for the fertilizing of flowers, 
lawns, garden and field crops. Tells how to judge an 
analysis guarantee, how to reduce to workable terms, 
and how to plan and calculate the ingredients for a 
specific mixture. 
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