WINTER MANAGEMENT OF PINES. 185 



also in winter to keep good fires every evening 

 and cold mornings, and in hard frosty weather 

 they should be continued moderately throughout 

 the day ; and when the weather is very severe, 

 both the front and top glasses should be covered 

 with mats or shutters every night. Also when 

 the frost is extremely severe, and not any sun, 

 the covering should be continued night and day ; 

 or where the house is furnished (which is the 

 most convenient method) with a painted canvass 

 fixed on rollers at the top, this should be let 

 down, which saves much trouble in covering the 

 top glasses. 



SPRING MANAGEMENT OF PINES. 



Par. 18. — As the spring advances, and the 

 warm weather ensues, give air more freely, and 

 waterings more frequent, the latter about once a 

 week or more, if the weather is very warm. This 

 will promote a strong growth in the plants, and 

 increase the size of the fruit ; but during the 

 cutting easterly winds in March and April, which 

 this climate is so subject to, be careful not to 

 admit too much air to chill the house, as at this 



