92 Gardening Under Glass 



opening leaves or flowers, or other inconspicuous 

 places. They niulti})ly with marvelous rapid- 

 ity, and it is extremely important to use control 

 methods iinmediately. 



Scale. — ^Many plants under glass, and par- 

 ticularly the hard-wooded plants. Palms and 



These little scales, not much bigger than a pin-liead, fastened to one 

 phice, do not look dangerous. But they quickly sap the life of the plant. 



Ferns and fruits, are subject to the attack of 

 scale. While these are sucking insects, they do 

 not move about, but just stay in one place and 



