18 



FOREIGN MODES OP CULTIVATING 



the heat in the winter months (fig. 2.) Their 

 slope forms an angle, with the horizon of about 

 twenty degrees. 



In these pits a boarded stage is formed, on 

 which the plants are set, so as to be almost touch- 

 ing the glass during winter ; during summer a bed 

 of tan is substituted for the boarded stage, and no 

 fire-heat is applied, but the plants plunged in the 

 tan. 



The following is the general course of temper- 

 ature aimed at : 



Temperature during the first fourteen days in 

 October, when the plants are removed from the 

 hot-beds of bark to the stages in the flued pits, 

 87 Fah. 



