110 
CULTURE OF THE POLYANTHUS. 
20. Plant so deep in the soil that the leaves will lie close upon the ground, and 
the new roots which grow from the upper part of the stem, will run into it, and 
add greatly to the vigour of the plants. 
21. Great care is requisite to secure the plants from the depredations of slugs 
and other crawling enemies. 
22. If they are infested with the green fly,, sprinkle a little weak tobacco water 
over them. 
If the flowers, when expanded, do not lie flat and even, use the instrument figured 
page 11, in the same manner as there recommended for auriculas. 
