CLIMBING ROSES AS VINES 263 
fact, I have séen some grown-up folks do it, too. 
Therefore very plain warning of the presence of 
the poison should be given. 
The San José scale will also attack roses, and 
is a difficult pest to overcome. Since the plant 
itself is almost sure to be very sickly before the 
presence of the scale is detected, the best course 
is usually to dig it up at once and burn it. If, 
however, it is worth the trouble of saving, spray 
in spring and fall with some of the standard prep- 
arations for killing scale. While my preference 
is for the lime, sulphur, and salt wash, I must 
confess that it is terrible stuff to use, as it must 
be applied when warm. Some of the new, 
special preparations for this insidious pest may 
be used, and will be effective if the directions are 
followed; the most important point is to see that 
all parts of the plant are covered with the spray. 
Mildew is the commonest ailment of climbing 
roses, and the powdery gray coating on the sur- 
face of the leaves is especially disfiguring to ver- 
anda plants. If itis not taken in hand as soon 
as it is seen, the affected_leaves will drop from the 
plant, leaving bare, unsightly stems. A good 
remedy is flowers of sulphur blown on the plant 
with a small bellows on a good, bright day, but 
spraying with potassium sulphide, five ounces to 
