ON VINERIES. 



glazed with 16-oz. glass, as free as could be got from 

 burning lenses. 21-oz. is preferable ; but whatever glass 

 is used, it should be free from specks and lenses, or 

 they will burn holes in the foliage. The rafters were 

 well tied together with iron rods, and wired with the 

 best wire, about 17 or 18 inches from the glass. Some 

 fix the wires for training seven or eight inches from the 

 roof. This I consider bad practice, since I have found it 

 paralyzes the vines, and assists in throwing them into 

 a bad state of health. I may mention that the 

 structure here referred to was an early vinery, in 

 which I commenced forcing sometimes about the middle 

 of November or beginning of December, but I generally 

 depended on my pot vines for the first crops. The 

 grapes in this house were invariably ripe from the 

 middle to the end of May, sometimes earlier at the 

 warmest end of the house. 



Section fig. 2 is a lean-to vinery, adjoining the cottage, 

 which was constructed with sashes in the usual way. 

 It is 55 feet by 17 feet, and ventilated after the old- 

 fashioned plan, with ropes and pulleys, — a system I 

 certainly do not recommend, for this reason, that it 

 takes so long to reduce the air and put it on. Often- 

 times a - great deal of mischief is done before the 

 gardener, or amateur, can regulate the temperature.. 

 Horizontal rods, with levers and screws, are far before 



the old system of ropes and pulleys. This house was 



14 



