240 COLD GLASS HOUSE FOR VINES. 



June and July, and so on until the succession is 

 ready. 



GREEN HOUSE, OR COLD GLASS HOUSE FOR 

 VINES. 



Par. 35. — Vines are frequently introduced 

 into greenhouses when constructed with a glass 

 roof, similar to that of the hothouse, the vines 

 planted in a border outside of the front, and 

 carried through to the rafters inside as before 

 directed, and treated in the same manner as the 

 hothouse, selecting such sorts as are tolerably 

 early in their ripening, such as the royal musca- 

 dine, black Hamburgh, &c. ; and if the house is 

 furnished with fire flues, or hot water pipes, 

 they may be moderately heated occasionally 

 in March, April, and May, as the weather may 

 dictate, this will forward their fruiting; and in 

 such houses, very abundant crops of fruit are 

 brought to good perfection, six weeks or more, 

 before those grown in the open air ; and even if 

 there is not any artificial heat internally, the 

 benefit of the sun through the glass, together 

 with the protection it affords in cold weather, 



