72 
THE ROCKY MOUNTAIN SEED CO 
DENVER. COLO 
Standard Insecticides and Fungicides 
Write for prices on larger quantities. Owing to unsettled market conditions all prices are subject to market changes. 
ARSENATE OF LEAD —The most fa¬ 
vored arsenical insecticide found on 
the American market. It is safest to 
use on tender foliage and sticks well 
on the leaves. Recommended for 
fruit trees, vegetables, bushes and 
tobacco. Can be used as dust or 
spray. 1 lit., 30c; 4-lb. pkg., 75c; case 
(4S lbs.), $<>.50; 100-lb. drums, $12.50, 
not postpaid. 
PARIS GREEN —A rich, emerald color 
and of fine fluffy physical character. 
Containing 55% arsenious oxide, it will give quick¬ 
est control where extreme measures are necessary. 
For use on potatoes, cotton, tobacco, also to mix 
with arsenate of lead for fruit tree spraying where 
quick results are necessary. lb., 15c; 1 lb., 45c; 
5-lb. pkg., $2.00, not postpaid. 
CALCIUM ARSENATE (Arsenate of Lime) —For 
Mexican bean beetle, boll weevil and other leaf¬ 
eating insects. May be applied dry, mixing 1 part 
calcium arsenate to 7 parts hydrated (airslaked) 
lime or land plaster; or in water 2 lbs. to 50 gal¬ 
lons of water. Lb., 20c; 4-lb. pkg., 65c; case (4S 
lbs.), $5.50, not postpaid. 
SUNOCO SPRAY OIL —A self-emulsifying spray for 
San Jose scale that is rapidly displacing lime- 
sulphur in fighting this pest. It mixes readily 
with hard water, forms no sludge or waste and 
kills every insect it touches. Gal., $1.50; 5 gals., 
$5.50; 15 gals., $12.75; 30 gals., $22.50, not postpaid. 
SULPHATE OF IRON —A remedy for weeds on lawns; 
kills dandelions without injuring grass. Apply 
liquid with a fine spray. Use 2 lbs. to 1 gallon 
water. Particulars on application. 1 lb., 10c; 5 
lbs., 40c; 10 lbs., GOc; 25 lbs., $1.50; 50 lbs., $2.50; 
100 lbs., $3.50, not postpaid. 
LONDON PURPLE (Use on Potatoes)— 
A favored insecticide for 50 years. 
Now stronger and better than ever. 
London Purple is one of the lightest 
and fluffiest powdered insecticides on 
the market, assuring complete cover¬ 
age and greatest adhesion to foliage. 
For use on potatoes, cotton, tobacco, 
sugar beets and many other shrubs 
and vegetables affected by leaf chew¬ 
ing insects. 1-lb. carton, 30c; 4-lb. 
bag, 60c; case (24 lbs.), $3.25, not 
postpaid. 
MAGNESIUM ARSENATE. For Bean 
Beetle and other leaf-eating in¬ 
sects —The various state experi¬ 
ment stations recommend mag¬ 
nesium arsenate for killing the 
Mexican bean beetle, their experi¬ 
ments having shown that it burns 
the leaf less than other recom¬ 
mended insecticides. For spray¬ 
ing, use 1 pound to 50 gallons of 
water; for dusting, use 1 pound to 
5 pounds air-slaked lime or fine 
road dust. 2-lb. pkg., 60c; per 
case (40 lbs.), $9.60; 100-lb. drum, 
$20.00, not postpaid. 
BORDEAUX MIXTURE —Prevents large losses caused 
by blight, rot, mildew, scab, anthracnose and cer¬ 
tain other fungous diseases. It stimulates plant 
growth and greatly increases the harvests. Almost 
every kind of vegetable, fruit and shrub can be 
greatly improved by the early use of Bordeaux 
Mixture. 1 lb., 30c; 4-lb. pkg., 60c; case (48 lbs.), 
$6.50; 100-lb. drums, $12.00, not postpaid. 
FISH-OIL SOAP— For mild forms of scale; is an ex¬ 
cellent summer spray, when something stronger 
cannot be used or where the San Jose scale exists. 
It is good for washing off lemon trees, oleanders 
and almost anything that would be infected with 
a soft-shelled or in fact almost any kind of insect. 
Lb., 30c; 5 lbs., $1.00; 10 lbs., $1.90. If wanted by 
mail add 10c per lb. for postage. 
HELLEBORE—Powdered —Effective in killing the 
worms on currant and gooseberry bushes. Less 
poisonous than Paris Green, making it much safer 
to use on fruits and vegetables. % lb., 35c; 1 lb., 
60c, not postpaid. 
KAYSO (The casein spreader and ad¬ 
hesive)- —Makes the spray spread, 
makes it stick and makes it cover a 
greater surface. By mail postpaid, 
2 lbs., 75c. 
DRY LIME-SULPHUR —Exactly like 
lime-sulphur solution except that 
the water has been taken out. For 
fall and spring spraying, use 12 to 
15 lbs. to 50 gallons water. Sum¬ 
mer spraying, 2% to 3 lbs. to 50 
gallons water. 1 lb., 30c; 5 lbs., 
$1.15; 12%-lb. bags, $2.00. Cannot 
be mailed. 
ANCHOR BRAND LIME-SULPHUR 
SOLUTION (Liquid) — Lime - Sul¬ 
phur has established a high repu¬ 
tation as a most successful con¬ 
trol of Purple Top (Psyllid Blight) 
on potatoes. A very inexpensive 
spray. Dilute one gallon to 40 
gallons of water. 
Permitted Dip for Live Stock 
Scabies. 
Effective Spray for many in¬ 
sects, Pests and Blights on Shade 
Trees, Shrubs, Fruit Trees and 
Garden Crops. 1 gal. can, 75c; 
5 gal. can, $3.00; 30 gal. drum, 
$8.00; 55 gal. drum, $12.50, not postpaid. 
DOW SPECIAL POTATO SPRAY—5-lb. bags, 75c 
each; per case, 10 5-lb. bags (50 lbs.), $7.00; 100 
lbs., $13.00, not postpaid. 
ARSENITE OF ZINC —Arsenite of Zinc is a very 
highly desirable type of poison for use where 
quick results are desired. Arsenite of Zinc ranks 
next to Paris Green as the strongest of all arsenical 
insecticides. 4-lb. bags, 70c; case (24 lbs.), $3.90, 
not postpaid. 
NEW GARDEN GUARD (Noil-Poison¬ 
ous)—A Rotenone Product —A garden 
insecticide and fungicide for use as a 
dust. No water, no mixing, no muss. 
For use on cabbage, cauliflower, tomato 
plants, melon vines, currants and 
gooseberries and other vegetables, 
flowers and shrubs of many kinds, 1-lb. 
carton, 35c; 4-lb. bag, 60c; 25-lb. bag, 
$3.50; 100 lbs., $12.00, not postpaid. 
SULPHUR (Commercial Grade) —Used 
for feeding and dusting, for control of 
mildew, etc. Postpaid; Lb., 15c; 5 lbs., 
65c; 10 lbs., $1.20. Not postpaid: 5 lbs., 
40c; 10 lbs., 65c; 25 lbs., $1.00; 50 lbs., 
$1.50; 10O lbs., $2.75. 
SUPERFINE DUSTING SULPHUR (Sublimed-flowers 
of Sulphur) —Much finer and more effective prod¬ 
uct than ordinary commercial sulphur. Postpaid: 
Lb., 20c; 5 lbs., 80c; 10 lbs., $1.50. Not postpaid: 
5 lbs., 50c; 10 lbs., 75c; 25 lbs., $1.25; 50 lbs., $2.00; 
10O lbs., $3.75. 
WETABLE SULPHUR —An excellent Fungicide for 
the control of mildew, blackspot rust and fungus. 
Use one ounce to each gallon of water, keep well 
stirred while using. Postpaid: Lb., 25c; 5 lbs., $1.00; 
10 lbs., $1.50. Not postpaid: 5 lbs., 60c; 10 lbs., 
$1.00; 25 lbs., $2.00; 50 lbs., $3.25; 100 lbs., $6.25. 
TOBACCO DUST —For fumigating and dusting and a 
preventative against aphis, beetles, fleas and in¬ 
sects in the ground and around roots of trees and 
shrubs. 
Tobacco Dust, “L” Grade: Lb., 10c; 25 lbs., $1.25; 
50 lbs., $2.00; 100 lbs., $3.50, F. O. B. Denver. 
Tobacco Dust, Gold Leaf: Lb., 10c; 25 lbs., $1.75; 
50 lbs., $3.00; 100 lbs., $5.50, F.O.B. Denver. 
NICOTINE DUST (4% Nicotine) —Double strength 
for heavy infestation. Lb., 25c; 5 lbs., $1.15; 10 
lbs., $2,20; 25 lbs., $5.00; 50 lbs., $9.50; 100 lbs., 
$16.00, F. O. B. Denver. 
PYRETHRUM DUST— A Standard 1 to 9 non-poison- 
ous dust. Recommended for control of worms on 
cauliflower and cabbage, l lb., 25c; 5 lbs., $1.10; 
10 lbs., $2.00; 25 lbs., $4.50; 50 lbs., $8.00; 100 lbs., 
$14.00, F. O. B. Denver. 
CYANOGAS ANT KILLER 
For Lawn and Garden Ants. The activ¬ 
ity of an ant colony centers around the 
queen. She never leaves the deeper part 
of the nest. To permanently destroy the 
colony it is necessary to kill the queen as 
well as worker ants. 
Simply enlarge entrances of nest with a 
pointed stick. Adjust spout on can and 
flow a small amount of Cyanogas into the 
hole. Then close with dirt. 4 oz. can 30c. 
Cannot be sent by mail. 
