Ill 



their first appearance. {Glendinning on Pine Apple, 

 481.) 



INSECTS. 



The pine apple is not an exception to the rule that if 

 a plant is preserved in a state of healthy vigour it is 

 but little liable to the attacks of vermin, and not at 

 all to the inroads of some — the Scale for example — 

 which appear to delight in diseased juices, and to be 

 able to penetrate through weakened tissues, in like 

 manner as the attacks of flies and fungi are similarly 

 facilitated by putridity. 



Considerable experience convinces us that unheal- 

 thiness usually precedes invermiation ; and we fully 

 believe the statement made by Mr. Nicol, that he re- 

 ceived into his stock, plants covered mth the pine- 

 scale, (Coccus hesperidum,) without the smallest 

 hesitation ; made no effort whatever to get rid of 

 them ; and by next shifting time, in two or three 

 months, saw no more of them. He says that he 

 never but once tried any remedy for the scale ; and 

 as he was completely successful, he gives the recipe, 

 which may safely be applied to pine plants in any 

 state ; but certainly best to crowns and suckers at 

 striking them, or to others at the time of shifting. 

 Take soft soap, one pound ; flowers of sulphur, one 



