120 On the injurious Effects of Clover to Orchards. 



ally. I recollect that many years ago, when my farms 

 were in a worse state of culture, the crops of apples re- 

 mained till the proper times for gathering them. Please 

 to communicate Mr. Coxe's letter to the society. 



I am, Sir, 



your obedient servant, 



Richard Peters. 

 Dr. James Mease, 



Secretary Agric. Soc. Philad. 



I am pursuing my old plan of reinstating my peach 

 trees, lost last season by my unconquerable foe, the dis- 

 ease I call the yellows. I obtain them from different nur- 

 series, free from this pestiferous infection. The worm 

 or wasp I have in complete subjection. I should be per- 

 fectly disinterested in proposing that the society offer 

 a premium for preventing the disease so fatal ; for I 

 shall never gain the reward. 



Burlington 5th April 1807. 



Dear Sir, 



I am perfectly ignorant of the disease to which you 

 give the name of the yelloxvs. Nothing of this descrip- 

 tion has ever appeared among my peach trees. For 

 four or five years past, my trees have borne well, and 

 have resisted the w^orms. I have used no precaution 

 but searching twice in the season ; once in the end of 

 July or beginning of August, and once late in Septem- 

 ber. On the first of October, my men begin to open 

 the roots so as to leave a bason of the size of a large 



