ON BLIGHT. 339 



like a boat turned the wrong side upwards. 

 It adheres very closely to the branches. Its 

 destruction may be effected by attending to 

 the following dilutions : 



Let the branches infested with it be scraped 

 with a blunt knife, and afterwards let the 

 tree be anointed with the following compo- 

 sition. 



To four gallons of water, add half a pound 

 of common sulphur, half a pound of soft soap, 

 one ounce of nux vomica, two ounces of to- 

 bacco, and a quarter of an ounce of black 

 pepper. The nux vomica must be grated 

 small previous to boiling. The whole after 

 being mixed together, must be boiled for 

 half an hour. This will completely destroy 

 any insect of this kind which may be left 

 upon the tree. 



When the tree is scraped previous to ap- 

 plying the composition, a cloth should be 

 spread underneath, that the insects dislodged 

 may drop into it, and then be destroyed. 



On Blight. 



A sudden transition from cold to heat, or 

 from heat to cold, is frequently observed to 

 produce blight in fruit trees, and the more 

 certainly, as the tree is weak. Indeed any 

 damaged branch upon a healthy tree, from 

 its being bruised by a hammer or any other 



