96 
above trees he says-, “ To eight gallons of water, 
add one pound of soft soap, one pound of common 
sulphur, and half an ounce of black pepper.” 
Mr. Han-ison also recommends two other 
methods, one of which is dusting the branches and 
leaves with snuff or tobacco dust, done on with a 
dridging box ; the other is, to “ make a fire of 
moist pea straw and tobacco mixed together, at a 
few feet distant from the trees, providing the wind 
is in a proper situation to direct the smoke to the 
tree, otherwise a cloth must be fastened over the 
tree, and smoke be introduced underneath it by 
means of a proper smoke bellows. Immediately 
after the smoking has been performed, let the 
trees have a forcible washing by means of a syringe 
or garden engine. After the smoking and washing 
have been performed, let the soil underneath 
the tree be trodden well or beat with a spade, 
otherwise a slight sprinkling of boiling water be 
poui’ed over it, in order to destroy those insects 
which have been dislodged and fallen to the 
ground.” 
Forsyth i-ecommends for their destruction 32 
gallons of water to one peck of quick lime, to be 
stirred up three or four days previous to using it. 
Beattie, in his communication to the Caledo- 
nian Horticultural Society, recommends one peck 
of unslacked lime, put into a hogshead filled up 
with water, and allowed to stand 24 hours. It 
is then to be drained off; and half a pound of 
common soda, such as is used for washing, is 
