38 GREEN-HOUSE. [FEBRUARY. 



obstructed, the plants will become unhealthy, and the 

 growth of insects increased. 



Let all moss, litter, decayed leaves, or weeds, be 

 cleared out of the house, the earth in the pots stirred 

 up with a round pointed stick, and fresh earth given 

 where required, that the air may operate therein freely. 



The house ought always to be sprinkled before 

 being swept, to prevent the dust rising. 



Attend to the bulbous roots as directed last month, 

 such as Hyacinths, Narcissus, &c. 



FEBRUARY. 



The directions given last month respecting the air* 

 ing and temperature of the house, may still be followed, 

 differing only in admitting air more freely as the season 

 advances, and according to the power the sun has on 

 the glass, which now begins to be considerable. 



If the weather is tolerably mild, air may be admitted 

 in time of sunshine, so as to keep the mercury as low 

 as 45, but be cautious in cold, cloudy, frosty weather. 

 It is a practice with many in such weather to keep the 

 shutters on the house night and day, for the space of a 

 week, and sometimes more, never entering it; and, 



