THE GREEN-HOUSE fAPR. 



THE GREEN-HOUSE. 



Of the Admission of Air to the Green-House. 



THE plants will now begin to take on a vigorous 

 growth, as most of them will have made fibres into 

 the fresh earth after shifting. In order to strengthen 

 their shoots then, and to prevent the free growing 

 kinds from being drawn, large portions of air should 

 be admitted every day ; in fine clear weather, from 

 seven or eight in the morning, till four or five in the 

 afternoon, and in cloudy or colder days, from nine 

 or ten perhaps, till two or three ; observing always 

 to divide the quantity admitted regularly, as often 

 already hinted at. 



Of turning round the plants towards the Sun. 

 In order to prevent the plants from being drawn 

 out of shape, they should be occasionally turned 

 round towards the sun. The fast growing kinds re- 

 quire more attention in this respect than the others ; 

 and whenever their shoots are perceived to be 

 stretching towards the light, the pots should be turn- 



