DESCRIPTIVE CATALOGUE 
11 
SPRAY NO. 2— ARSENATE OF SODA 
1 pound of white arsenic 
2 pounds of sal soda.* 
1 gallon of water. 
DIRECTIONS — Boil 15 minutes; add amount of water equal to that evap- 
orated, giving 1 gallon of arsenite of soda. For 50 gallons of water use iy 2 
pints of the arsenite of soda and 6 pounds of freshly slacked lime. Can be 
used safely. 
SPRAY NO. 3— PARIS GREEN. 
1 pound of paris green. 
4 pounds of quick lime. 
> 200 gallons of wmter. 
Slack the quick lime in part of the water, sprinkling in the paris green 
gradually, then add the rest ot the water. For the peach and other tender 
leaved plants use 300 gallons of water. Keep well stirred while spraying. 
Insects that Suck the Juice of Fruits or Trees 
SPRAY NO. 4— SULPHUR AND LIME. 
(Formula.) 
I 
15 pounds of unslaked lime. 
15 pounds of flowers of sulphur. 
50 gallons of water. 
Slack the lime in enough water to do it thoroughly; add the sulphur and 
boil for an hour at least, adding water if necessary. Spray warm through a 
coarse nozzle. 
SPRAY NO. 5— WHALE OIL SOAP, OR QUASSIA CHIPS. 
Boil 1 pound of soap dissolved in 4 gallons of water, or boil for 2 hours 1 
pound of quassia chips; add water to extract to make 4 gallons. 
I Winter Spray when Trees are Dormant . 
Fungicides. 
SPRAY NO. 6— BORDEAUX MIXTURE. 
6 pounds copper sulphate (blue vitrol.) 
6 pounds lime (unslaked.) 
50 gallons water. 
Dissolve the copper in hot or cold water, using a wooden or earthen vessel. 
Slack the lime in a tub, add the water cautiously and in sufficient amount to 
insure thorough slacking. After thorough slacking, more water can be added 
and stirred in until it has the consistency of thick cream. When both are 
cold pour the lime into the diluted copper solution of required strength, strain- 
ing it through a fine mesh sieve or gunny sack, and thoroughly mix. 
•In Western Oregon, and moist sections, use 3 instead of 2 pounds of sal 
soda. 
