270 



SCHOOL AKD HOME GARDENS 



LETTUCE 



Head lettuce. Head-lettuce plants may be produced 

 by sowing seeds in boxes indoors or under glass. Sow 

 one fourth of an inch deep. After watering, cover the 

 box with a windowpane and set it in a warm place near 



FIG. 148. A Field of Head Lettuce 



the stove or radiator for twenty-four hours ; then move it 

 to a sunny window near the glass. The seedlings should 

 be up in three or four days. Turn the box daily to keep 

 them straight. Transplant to another box when the 

 second leaf appears, and set them deeper than in the 

 seed box and about two inches apart each way. 



