Jan.'] 



THE FORCING GARDEN. 



573 



be put on about sun-set in the evening, and removed by sun- 

 rise in the morning, or soon after, and should never be kept 

 on during the day, excepting in very severe weather indeed. 

 Light and air at this season are the principal natural agents 

 for keeping pines in health ; and when either is withheld for 

 any length of time, the plants will soon lose color, and assume 

 a sickly appearance. Whatever way pine-pits or frames arc 

 heated, covering tlie sashes at night is certainly a great saving 

 of fuel, where that article is expensive. 



SUCCESSION PINE PLANTS. 



The plants in the succession house or pit, should be ma- 

 naged much the same as the nursing-pit, already described. 

 The temperature should be kept as near to 00° as possible, 

 and should not be allowed to exceed 65°, as sudden transitions 

 at this season would be apt to start the plants into fruit, which 

 would be next to losing them altogether. Less heat should 

 generally be allowed succession-plants, than even those in the 

 nursing-pits, in order not to draw them ; and during their con- 

 tinuance in the succession compartment, they should be allowed 

 more room in the bed, and be frequently shifted, and abund- 

 antly supplied with air and water, in order to strengthen the 

 heart or root part of the plant, that they may be able to throw 

 up strong fruit. The admission of air may be regulated, as 

 directed above for the nursing-pit, and water should be given 

 in moderate quantities every ten or twelve days. The cover- 

 ing should be, in like manner, attended to mornings and 

 evenings. 



CONSTRUCTION OF SUCCESSION PINE-PITS. 



As an example of an economical and useful succession pine- 

 pit, we give that of Mr. Aiton, in the royal gardens at Ken 

 Sihgton, which is the same as that of Baldwin, in which he 

 has so successfully cultivated this fruit, and of which the ac- 

 companying figure will give an idea. In the Kensington gar- 



