OBSERVATIONS 



FRUIT TREES. 



AND THE MEANS OP 



PREVENTION AND CURE. 

 By P. LYON. 



* , 



Colere Deos, Colere Agros. 



" By the sweat of thy brow, shalt thou earn thy food." 



EDINBURGH : 



PRINTED BT C. STEWART, 



FOR WILLIAM BLACKWOOD, SOUTH BRIDGE STREET ; 

 AND ROBERT BALDWIN, PATERNOSTER ROW, 



LONDON. 



i 



1813. 



