LUTHER BURBANK 



circumstances they must be shielded from winds 

 or bright sunlight to which they are not adapted. 



To accustom the tender seedlings to out-door 

 conditions, the flats are placed in square frames 

 about six feet wide and a foot or two high. These 

 are covered with a portable covering made of 

 common laths nailed on narrow strips of board, 

 so placed that the space between the laths is about 

 equal to the width of a single lath. 



When the boxes of plants are placed in these 

 frames, it is best to have some slats underneath 

 so they will not rest on the ground; otherwise 

 fungous diseases are often communicated from 

 the earth to the soil in the boxes and to the tender 

 plants. 



When the slat covering is kept over the frames 

 for five to twenty days according to the season, 

 the little plants will have adjusted themselves to 

 their new environment so that the slats can be 

 removed. 



After a few more days of growth they will 

 probably be strong enough to be removed to the 

 open ground. 



RUNNING THE GAUNTLET 



Many tiny seeds, just as they are germinating, 

 may be destroyed in a short time by a cold dry 

 wind, or they may be killed even more quickly 

 by too much moisture and too little air. 



[138] 



