INTRODUCTORY TO TEE FOLLOWING 

 CHAPTER ON THE INDICATIONS OF 

 THE YELLOWS: 



The subject of the "yellows" in the peach tree 

 has come under the notice of the Agricultural De- 

 partment at Washington, and recognized as a ques- 

 tion of great importance to our agricultural inter- 

 ests. The microscopist of the Department, Prof. 

 Thomas Taylor, in his investigations into the cause 

 of this wide spread and most destructive disease, 

 has thrown around the whole subject many new 

 and interesting features that seem to have harmo- 

 nized our Pomologists, and led to the adoption of 

 Prof. Taylor's conclusions, that Fungi is the cause 

 of this fatal disease. These microscopic reports 

 of the investigations of Prof. Taylor, accompanied 

 by illustrations, will be found at length in the 

 Agricultural Eeports of the Department for the 

 years 1871 and '72. We understand that further 

 examinations are being made by the Department, 

 which, no doubt, will goto confirm the conclusions 

 to which the former investigations led. This, it is 

 hoped, will settle the great question which has 

 baffled the untiring efforts of the country for al- 

 most the last century to discover a cause. 



We have now only to apply a remedy in a 



