2. 
13. 
14. 
BRIEF LIST OF BOOKS ON COGNATE 
SUBJECTS 
L. H. BAILEY. CyCLOPZDIA OF AMERICAN HORTICULTURE. 1900. 
4 vols. The best reference book for species and varieties of trees 
and shrubs. 
N. L. Britron. NorTH AMERICAN TREES. 1908. To be consulted 
for the native arborescent flora. 
. R. B. Houce. HANDBOOK OF THE TREES OF THE NORTHERN UNITED 
STATES AND CANADA. 1907. Excels in fine photographic illustra- 
tions. 
. SAUNDERS & MAcouN. CATALOGUE OF TREES AND SHRUBS. Bulletin 2. 
Central Experimental Farm, Ottawa, 1899. To be consulted as to 
hardiness of trees and shrubs. 
F. E. CLEMENTS. PLANT PHYSIOLOGY AND ECOLOGY, 1907. Will be 
found of interest by those who wish to expand their knowledge on 
the points raised in Chapter IT. 
L. H. BaitEy. THE PRUNING BOOK, 1898. Refers especially to the 
pruning for fruit. 
. TREE SURGERY. FIFTIETH ANNUAL REPORT OF MASSACHUSETTS 
STATE BOARD OF AGRICULTURE. 10902. 
. E. G. LopEMAN. THE SPRAYING OF PLANTS, 1908. The most com- 
prehensive volume on the subject. 
SPRAYING MIXTURES AND MACHINERY; WHERE AND How To SpRAY. 
Bulletin 193. North Carolina Agricultural Experiment Station. 
1906. 
FUNGICIDES, INSECTICIDES, AND SPRAYING DIRECTIONS. Bulletin 123. 
Massachusetts Agricultural Experiment Station. 1908. 
. SHADE TREES. Bulletin 125. Massachusetts Agricultural Experi- 
ment Station. 1908. 
. SHADE TREES. Bulletin 205. Cornell Agricultural Experiment 
Station. 1902. 
STREET TREES, THEIR CARE AND PRESERVATION. Bulletin 256, Cor- 
nell College of Agriculture. 1908. 
Fett, E. P. Insects AFFECTING PARK AND WOODLAND TREES. 
Albany, volume I, 1905; volume II, 1906. 
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