DISEASES AND INSECTS. 



in 



x.zoo. 



FIG. 26. TRANSVERSE SLICE OF A 

 HEALTHY PEACH LEAF. 



tion, and consequently be- 

 comes swollen into inert 



masses. The only remedy 



that I know of is to 



remove the affected leaves 



forthwith, if not too 



numerous, in which case 



only the worst leaves 



should be pinched off, 



removing the remainder 



as soon as a favourable change in the weather 



induces fresh, healthy foliage to push forth. 



Aphides is a troublesome 

 &/ and (if not eradicated at 

 once) a destructive insect. 

 When this pest attacks 

 trees growing under glass, 

 fumigation by tobacco 

 paper, or XL ALL Va- 

 porising Compound, in 

 the evening will rid the 

 trees of the depredators, 

 syringing them the follow- 

 ing morning with clean 

 water. When the fly, 

 green or black, effects a 

 lodgment on trees growing 

 walls or in the 





^^7 



& 



FIG. 27. TRANSVERSE SLICE OF 

 PEACH LEAF AFFECTED WITH AS- 



MORBIDLY ENLARGED CELLS. AT 

 TOP OF I FIGURE ARE REPRESENTED 

 THE ASCI CONTAINING THE SPORES. 



