PART IV. 



MANUAL 



OF 



Plant Diseases 



BY 



PROF. DR. PAUL SORAUER 



Third Edition-Prof. Dr. Sorauer 



In Collaboration with 



Prof. Dr. G. Lindau And Dr. L. Reh 



Private Docent at the University Assistant in the Museum of Natural Hiatory 



of Berlin io Hamburg 



TRANSLATED BY FRANCES DORRANCE 



Volume I 

 NON-PARASITIG DISEASES 



BY 



PROF. DR. PAUL SORAUER 



BERLIN 



WITH 208 ILLUSTRATIONS IN THE TEXT 



