SSi OBSERVATIONS ON THE DISEASES, &C. 



vegetation, and assists nature more powerfully in 

 healing the wound at the time the sap is in full vi- 

 gour, than when it is on the decline, as in Autumn 

 and Winter. 



It is also necessary to remark, that both fruit 

 and forest trees (particularly those which grow in 

 the shade) are very liable to be affected with disor- 

 ders proceeding from the growth of liver-wort, and 

 various kinds of moss, that adhere to the outer bark 

 of the tree, and frequently gain a considerable 

 thickness, that not only prevents the natural flow 

 of the juices, but causes a stagnation in the circu- 

 lation, and brings on decay ; which, after destroy- 

 ing the outer bark, penetrates, by degrees, deeper 

 into the wood. Where this circumstance is ob- 

 served, care should be taken to clear the whole 

 bark of the tree from these growths ; and where it 

 is infected, to scrape or pare it away. When the 

 body of the tree is thus cleansed from infection, 

 the Composition should be applied, in a liquid state, 

 to the parts so cleansed, to close the pores of the 

 wood ; when the tree will soon acquire a fresh 

 bark, with improved health and vegetation. 1 am 

 confirmed in these opinions by the many experi- 

 ments and various trials that I have made to as- 

 certain, by the most positive proofs, the properties 

 of this Composition, before 1 ventured to offer it 

 to the public attention. Indeed, every year's ex- 

 perience has increased my conviction of its gene- 

 ral utility, when properly applied to the purposes 

 for which it is recommended. To give a more 



