INSECTS AND DISEASES 103 



REFERENCES 



Chupp, Charles, Manual of Vegetable-Garden Diseases, The Macmillan Co., 1925. 



Felt, E. P., and W. H. Rankin, Insects and Diseases of Ornamental Trees and Shrubs, 



The Macmillan Co., 1932. 

 Melhus, I. E., and G. C. Kent, Elements of Plant Pathology, The Macmillan Co., 1939. 

 Plantcraft, Plant Diseases and Insects, Porter Chemical Co., Hagerstown, Md. 

 Bulletins for special problems from your State or the Federal Department of Agriculture. 



