380 



specimens have been collected or received From correspondents by Former 

 and presenl members of the Department of Botany. Indiana Agricultural 



Experimental Station, or by Professor G. X. Hoffer, of the School of Science, 

 Purdue University. Unless otherwise stated in the list the specimens 

 in the phytopathologies! collection of the Station Department of Botany, 

 or in the collection of Professor Hoffer. The distribution of the diseases is 



given either by counties, together with the dates of collections when known; 

 or by sections of the State in which they are prevalent. If they occur generally 

 over the State they are mentioned as common. 



The bibliography includes articles written by Indiana workers and 

 pertaining to Indiana plant diseases, published mostly in the bulletins and 

 reports of the Indiana Agricultural Experiment Station, Proceedings of 

 the Indiana Academy of Science. Transactions of the Indiana Horticultural 

 Society, and the Annual Reports of the State Entomologist. It also includes 

 several papers presented at meetings by out-of-state scientists, but pertaining 

 to diseases common to Indiana and printed in the State publications. Ref- 

 erences to the articles dealing with the diseases mentioned in the following 

 list are given by number, in the chronological order in which they were 

 published. 



In order to make the plant disease survey as complete as possible, co- 

 operation is solicited, and the Department of Botany. Agricultural Experi- 

 ment Station, Lafayette, will be pleased to receive specimens, especially 

 of the less common or unreported diseases. Any valuable information as 

 to the prevalence of such diseases, the extent of damage caused, relation to 

 weather conditions, etc., will also be appreciated. 



The writer wishes to express his gratitude to Prof. H. S. Jackson. Chief 

 of the Department of Botany, Indiana Agricultural Experiment Station, 

 for valuable advice and assistance in the preparation of this list. 



