14 INTRODUCTION. 
orous treatment of whale-oil soap, quassia, 
tobacco, hellebore, sulphur, and Paris green. 
A huge syringe, intended to be attached to 
the garden hose, and charged with any of 
these insect dynamos, according to the will of 
the operator, is a recent invention that will 
be welcomed by all rose-growers. Armed 
with this, it is claimed that death may be 
meted out by wholesale to the insect scourges, 
if the remedy be persistently applied. For in 
rose pests, one brood of insects is far from 
making a summer, and unremitting warfare 
is the price of abundant bloom and vigorous 
foliage. 
As producers of new roses, the French con- 
tinue in the lead, though an extremely large 
proportion of recent French varieties are 
mediocre or useless for general cultivation, 
or resemble so closely other well-known sorts 
as to be of no increased value in themselves. 
The incentive to produce new kinds, it should 
be remembered, is especially great in France, 
where twenty-five francs apiece is demanded 
for a novelty which may be good, bad, or in- 
different, but whose description is invariably 
couleur de rose. Not that in the majority of 
cases they are sent out with the deliberate 
design to deceive—the Rose owes toe much te 
Gallic intelligence, enthusiasm, and pains tor 
