260 GARDENING OVER A WINTER FIRE. 



in cold frames. On the 22d of February I had 

 two hundred and fifty growing finely As soon 

 as the frost is out, a warm, sheltered place in 

 the open garden can be filled with the hard) 

 lettuce plants from the cold frames, and I have 

 nad these mature for market in May. Cabbage 

 and cauliflower wintered over can also be set 

 out in the open garden as soon as the ground 

 can be worked. In forcing lettuce, great 

 watchfulness is required. Of course, you want 

 to keep up the utmost degree of heat without 

 injuring the plants, as this brings them into 

 market sooner. But too great heat may dam- 

 age if not spoil your crop. The danger in- 

 creases as the leaves in their growth approach 

 the glass. Whenever the sun shines, it is safer 

 to push the sash down a little, even early in the 

 morning, and give an increasing amount of 

 outer air as the sun grows higher. In the 

 afternoon gradually push the sash up, and be- 



