FLOWERING PLANTS 



ering species, and a rex section grown merely 

 for their ornamental leaves. 



A light soil, such as is given in formula No. 

 2, with a little well-rotted manure added, an- 

 swers well for all begonias. 



Begonias may be placed on the outside during 

 the summer but must be protected from the sun. 



CALLA LILY 



When given a window where it will receive 

 plenty of light, the calla lily (Richardia afri- 

 cana) can be successfully brought into flower. 



In selecting callas be very sure to secure strong 

 tubers, as they invariably give the best results. 

 Pot in the same manner as a hyacinth except 

 setting in such a way that the tip will be slightly 

 deeper in the soil. The soil used should be pre- 

 pared according to formula No. i. 



Callas should be watered thoroughly after 

 potting and then kept rather dry until the plants 

 are well started. After they are well up they 

 should receive an abundance of water. 



The pots may be set outside until the weather 



133 



