Y-<T* ^ w.^ 



ON VINERIES. 



happens to be on, and still more so to those who have 

 to eat the grapes, or other fruit which has been infested 

 by it; and it thus becomes a perfect nuisance. 



If spirits of naphtha be applied carefully with a fine 

 camel's hair brush, the least touch will kill the insect. 

 After using the spirits, I recommend sponging the My, 

 plant with a little soft soap and water. If these pre- W 

 cautions are repeated once a week or fortnight, as may 

 seem necessary, it may be kept under control. I would 

 also advise to give the house containing the fruit or 

 plants a good cleansing once a year at least, and a coat of 

 paint, or two coats if necessary. 



CAUSE OF AIR ROOTS. 



I am of opinion that where too many of these are seen, 



it is a sign of too much moisture being kept up in 



the vinery. What would cause them to increase at a 



rapid rate on the vine would be there being too great a 



difference between the temperature of the outside border 



and the atmosphere of the house, — in other words, not 



sufficient root -action in the outside border. I would 



advise the amateur to use a bottom-heat thermometer, 



which will always enable him to find the temperature of 



the inside as well as the outside border ; both of which 



69 



