ON VINERIES. 



a genial and nice growing atmosphere. Endeavour to 

 have an atmosphere similar to that which prevails after a 

 slight shower followed by warm, genial sunshine. This 

 will prevent rust. I may mention here that I once ap- 

 plied, without sufficient thought, a mixture of sulphur 

 and lime over the pipes by way of paint, for the pur- 

 pose of killing red spider. Unfortunately I left it on 

 until the next season, and thinking there was little or no 

 strength in the sulphur, I commenced forcing in the 

 following spring, without first scraping off the mixture 

 which remained on the pipes. As soon as the grapes 

 were in flower and setting freely, I had occasion to raise 

 the temperature considerably, when, after the berries 

 had attained the size of peas, I found all the tenderest- 

 skinned varieties, such as the black Hambro', and the 

 white and black Frontignan, rusted, and the delicate 

 shanks of the grapes and also the stalks of the bunches 

 stained, which made them unsaleable and unfit for the 

 table. Alicant, Lady Down's, and the thick-skinned 

 varieties stood best. 



CAUSE OF EXUDATION UNDERNEATH THE LEAVES OF 

 THE VINE. 



To prevent this from taking place, great care must 

 be exercised in the ventilation. The airing of the 



or 



