HEM ARKS ON INSECTS. 197 



sects, some produced by nature when the plant 

 becomes diseased, and some by the winged in- 

 sects laying their eggs on such trees or plants, 

 which by nature it knows its young will thrive 

 best on. 



Therefore, if the pines are made unhealthy 

 by bad treatment, or through neglect, such as 

 planting them in improper soil, chilling them 

 frequently with harsh cold spring water, scorch- 

 ing the roots with violent bark-bed heat, or 

 allowing it to become too cold for the genial 

 nature of the plants, it cannot be surprising that 

 they should become sickly ; and when in that 

 sickly stunted state, the vermin is almost sure 

 to follow very rapidly, if not speedily remedied ; 

 therefore, pine-growing is by no means to be 

 recommended on a very limited scale, neither 

 ought any one to feel disappointment by failures, 

 where sufficient assistance is not allowed, to be 

 able to pay that attention to them which their 

 nature requires, but where such is allowed, (ex- 

 cept by accident,) the fault lays with those who 

 have the management. 



Notwithstanding the above cautions, which 



