80 



Southern Gardener^s Practical Manual 



heat will be retained better and the cold air excluded if 

 soil is banked around the lower part of the plank. 

 When the frame is completed and placed over the ma- 

 nure, fill in to the depth of four inches with sifted, dark 

 sandy loam and put on the sash. In three or four days 

 the seed may be sown in shallow trenches six inches 

 apart and covered about one -half inch deep. Water 

 gently and put on the sash. If warm in the middle 

 of the day, give air by placing a block under the 

 upper end of the sash. Keep the surface moist but not 

 wet, by sprinkling with a watering-pot having a very 

 fine rose. As soon as the plants appear above ground, 

 give air in the middle of bright sunny days unless 

 positively cold. The temperature should not be al- 

 lowed to fall below 60° nor to rise above 75°. A 



I'll.. 2. Lettuce in cold-frame, January 15 



