79 



astonishingly, according to their diameter. At the 

 end of October \ve modify the appUcation of heat and 

 air — but continue air to some extent both night and 

 day ; the night heat at the end of this month, is reduced 

 to rather below 65 degs. 



Succession Plants must receive a similar treatment 

 to the above, from September to the middle of Octo- 

 ber, as regards the modifying the humidity, with abun- 

 dance of air night and day, but in neither must the 

 surface of the plunging materials be allowed to become 

 dry,*or the plants to be in want of water at their roots. 



November. — In the Fruiting Structure still con- 

 tinue the modification of humidity, airing, and bot- 

 tom watering. We reduce the temperature of the at- 

 mosphere down to pretty nearly 60 degs., still admit- 

 ting air night and day until December. Except during 

 gales and extraordinary rough weather, we do not shut 

 up at night until about the middle of this month, 

 when the heat and humidity is modified down to what 

 has been directed for January. 



Succession Plants. — The atmospheric temperature 

 for these is still modified, also the humidity of the air 

 is reduced at this season, as the light declines to the 

 degree already given for January. The heat in the 

 Bicton pits is now applied at top to the greatest ex- 

 tent, by topping up the linings, and not turning them 

 lower than the surface of the plunging meterials, but 

 always, if possible, maintaining a liberal supply of air ^ 



