50 PRESENT-DAY GARDENING 
MEALY BUG 
Fortunately this pest is rare in Orchid houses, but 
when it appears it is easily destroyed in the same manner 
as scale. 
COCKROACHES 
The first of these insects to be noticed should be the 
signal for the laying of poison. Search should be made 
for the breeding quarters, which are often in the stoke-hole, 
or in some hot, dry corner of the house. Various prepara- 
tions are recommended, but the best still seems to be the old 
phosphor paste, which should be placed on pieces of paper 
in the haunts of the insects in the evening, and removed 
the next morning, a fresh supply being put down every 
two or three days so long as one of the insects remains, 
SLUGS, SNAILS, AND WOODLICE 
To combat these is more a question of diligence than 
anything else. The old remedies to attract them, such as 
lettuce leaves, or hollowed halves of potatoes, are still effec- 
tive, and a walk round the houses with a light at night never 
goes unrewarded. 
CHAPTER XIII 
PERIODICAL INSPECTION 
WHENEVER the time is to be spared, it is a good plan to 
overhaul one or other of the sections of Orchids thoroughly, 
and to have a more general inspection as soon as possible 
after the winter has passed, and at the end of the summer, 
