4 SCHOOL AND HOME GARDENS 
temperature than fifty degrees. Even if an effort be 
made on Sunday evening to raise the heat of a school- 
house, the extra amount of extremely hot air needed to 
obtain the proper temperature will create an unfavorable 
condition for either children or plants on Monday morn- 
ing. Although hot air forced into a very cold room 
may cause the thermometer to register sixty-eight de- 
grees when hanging against a casing four or five feet 
above the floor, this does not prove that the floor and 
furniture have the proper temperature. 
