The " Country Life " Library. 



TEXT-BOOK 



OF THE 



DISEASES OF TREES 



BY 



PROFESSOR R. HARTIG 



OF THE UNIVERSITY OF MUNICH 



TRANSLATED BY 



WILLIAM SOMERVILLE, D.CEc., B.Sc., F.R.S.E., F.L.S. 



PROFESSOR OF AGRICULTURE AND FORESTRY 

 DURHAM COLLEGE OF SCIENCE, NEWCASTLE-ON-TYNE 



REVISED AND EDITED, WITH A PREFACE, BY 



H. MARSHALL WARD, D.Sc., F.R.S., F.L.S., F.R.H.S. 



LATE FELLOW OF CHRIST'S COLLEGE, CAMBRIDGE 

 PROFESSOR OF BOTANY AT THE ROYAL INDIAN ENGINEERING COLLEGE, COOPER'S HILL 



Xonfcon 



PUBLISHED AT THE OFFICES OF 



" COUNTRY LIFE," 20, TAVISTOCK STREET, W.C. 



AND BY 



GEO. NEWNES, Ltd., 7-12, SOUTHAMPTON ST.,COVENT GARDEN, W.C. 



