1 g6 The Principles of Part V. 



lowing experiment. Ingraft an almond 

 tree on the black damafk plumb : for the 

 firft year the almond tree thrives very well ; 

 but after that they both decay (lowly and 

 die. The reafon is, becaufe the former 

 vegetates much fooner than the latter ; 

 and, therefore, requires nourishing juice 

 when the former has it not. While young, 

 it is eafily fupplied ; but when it grows 

 larger, it exhaufts the plumb, and is ftarved 

 itfelf. If the plumb is ingrafted on the al- 

 mond, the juice rifes in the latter, when the 

 former is not fitted to receive it, and it dies 

 of repletion. 



DU HA MEL, in Mem. acad. des 

 fciences for the year 1728, mentions a 

 difeafe, called le morf, which attacks the 

 faffron in the fpring ; and is owing to a 

 plant of the fpecies of trefoils, that has no 

 ftem, fixing fome violet-coloured threads, 

 which are its roots, to the roots of the faf- 

 fron, and fucking out its juice. This difeafe 

 is prevented by digging a trench, which 



faves 



