BRIEF LIST OF BOOKS ON COGNATE 

 SUBJECTS 



1. L. H. Bailey. Cyclop.edia of American Horticulture. 1900. 



4 vols. The best reference book for species and varieties of trees 

 and shrubs. 



2. N. L. Britton. North American Trees. 1908. To be consulted 



for the native arborescent flora. 



3. R. B. Hough. Handbook of the Trees of the Northern United 



States and Canada. 1907. Excels in fine photographic illustra- 

 tions. 



4. Saunders & Macoun. Catalogue of Trees and Shrubs. Bulletin 2. 



Central Experimental Farm, Ottawa, 1899. To be consulted as to 

 hardiness of trees and shrubs. 



5. 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 H. 



6. L. H. Bailey. The Pruning Book, 1898. Refers especially to the 



pruning for fruit. 



7. Tree Surgery. Fiftieth Annual Report of Massachusetts 



State Board of Agriculture. 1902. 



8. E. G. LoDEMAN. The Spraying of Plants, 1908. The most com- 



prehensive volume on the subject. 



9. Spraying Mixtures and Machinery; Where and How to Spray. 



Bulletin 193. North Carolina Agricultural Experiment Station. 

 1906. 



ID. Fungicides, Insecticides, and Spraying Directions. Bulletin 123. 

 Massachusetts Agricultural Experiment Station. 1908. 



ir. Sh.\de Trees. Bulletin 125. Massachusetts Agricultural Experi- 

 ment Station. 1908. 



12. Shade Trees. Bulletin 205. Cornell Agricultural Experiment 



Station. 1902. 



13. Street Trees, their Care and Preservation. Bulletin 256, Cor- 



nell College of Agriculture. 1908. 



14. Felt, E. P. Insects Affecting Park and Woodland Trees. 



Albany, volume I, 1905; volume II, 1906. 



375 



