THE ROCKY MOUNTAIN SEED COMPANY — 
E-SULFUR 
POworaco FORM 
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 Ib. 60e) (5 
Ibs. $2.50) (100 Ibs. $23.00), F.0.B. Denver. 
DDT 50% WETTABLE POWDER—Micro-fine particle size, 
instantly wettable. Recommended for use on apples, pota- 
toes, and other fruits and vegetables, flowers, trees and 
ornamentas, in fact wherever a whitish residue is not objec- 
tionable. (4 Ib. bags $2.50) (50 Ib. bags $25.00), F.O0.B. Denver. 
DDT 50% DUST CONCENTRATE—Designed primarily for 
dust mixers for making lower percentage DDT dust mix- 
tures. (100 Ib. drums $45.00), F.0.B. Denver. 
DOW’S DN DUST No. 12—To control red spider mite, thrip and 
white fly on roses, calla lilies, snapdragons, gardenias, chrys- 
anthemums and carnations. (10 Ib. pkg. $4.50), F.O.B. Denver. 
DOWSPRAY No. 17—A new wet spray for greenhouse plants. 
For control of red mite and thrips on roses, calla lilies, snap- 
dragons, gardenias, carnations, azaleas, hydrangeas, ivy and 
many other greenhouse plants. Does the same work as 
Dow’s DN Sulphur Dust No. 10 and DN Dust No. 12, except 
that it is used as a wet spray. (%4 Ib. pkg. $2.25), F.0.B. Den-' 
ver. 
DOW’S DN-111—For the control of red mites on apples. Use 
1% lbs. to 100 gallons of spray. Can be combined with arseni- 
cals and sulphur. (1% Ib. pkg. 90e) (30 Ib. case $18.00), F.O.B. 
Denver. 
DX SPRAY—A powerful Rotenone and Pyrethrum Spray in a 
patented spray base of great penetration. 
It kills chewing as well as sucking insects. DX combines 
with summer oil, lime sulphur, arsenate of lead, etc. Non- 
poisonous to man or warm blooded animals. (1 oz. 35ce) 
(4% pt. $1.75) (qt. $5.55) (gal. $14.60) (5 gals. $57.35), F.0O.B. 
Denver. 
EVERGREEN—Powerful contact insecticide, the killing agent 
being pyrethrum. Kills chewing and sucking insects such as 
aphids, ants, rose beetles, etc. Leaves no objectionable resi- 
due. Non-injurious to humans or animals. One ounce makes 
six gallons spray. (1 oz. 35¢) (6 0z. $1.15) (pts. $2.45) (ats. $4.10) 
(gals. $12.60), F.O.B. Denver. 
KRYOCIDE— An effective insecticide for the control of many 
chewing insects. Can be used as either a spray or dust. 
(1 Ib. 40c), F.0.B. Denver. 
KRYOCIDE D-50 (With Sulphur)—Same as Kryocide but con- 
tains sulphur and controls blights and some fungus diseases. 
(1 Ib. 50c) (3 Ibs. 85c), F.O.B. Denver. 
DENVER, COLORADO 53 
KOPPER SHIELD—A pruning and tree wound paint. An 
antiseptic treatment to prevent diseases and fungi from pene- 
trating the wounds while the tree is naturally overcoming 
the shock. (pts. 65e) (qts. $1.17) (gals. $3.75), F.0.B. Denver. 
LINSO SOAP—A high quality soap spreader of linseed oil 
base. It does not have the disagreeable odor of many soap 
spreaders, and is economical and highly effective. Use 1% 
pints to 100 gallons of water. (% pts. 45c) (qts. $1.00) (5 gals. 
$10.25), F.O.B. Denver. 
PARIS GREEN—Oldest and best brand. For chewing insects 
on potatoes and certain other hardy plants. Kills quickest. 
(14 Ib. 25e) (1 Ib. 75e) (5 Ibs. $3.35) (14 Ibs. $7.50), F.0.B. Denver. 
PARA-SCALECIDE 
FOR PEACH BORERS 
Para-Scalecide is a combination of paradichlorobenzene and 
Scalecide, which makes a liquid application for peach borers 
that is safe and effective on young or old peach trees. It is in 
great demand wherever peaches are grown. 
Tod 
Para-Scalecide is diluted 1 gallon to 7 gallons of water and 
poured against the base of the trees 4 to 6 inches above the 
ground in the fall or spring. It requires approximately 1% 
pint for 1 to 2 year old trees, 1 pint for 3 year old trees, and 
1% pints for older trees. The diluted Para-Scalecide is also 
painted on the body and main limbs for lesser peach borers, 
and for borers on plum, cherry and apple trees. (qts. $1.50) 
(gals. $3.25). 
ROTENONE SPRAY (NNOR)—One of the most useful and 
effective insecticide materials Known. In NNOR it is com- 
bined with a patented spreader making the tremendous 
killing power of Rotenone more effective than ever. NNOR 
penetrates the hairy or waxy covering on the insect to per- 
mit the Rotenone to get in its killing punch. One ounce 
makes six gallons of spray. (1 oz. 35c) (16 oz. $2.15), F.O.B. 
Denver. 
CONTROLS CHEWING AND 
SUCKING. INSECTS 
ss “AND CERTAIN 
FUNGUS 
CARDEN DUST 
_ EFFECTIVE AS A DUST OR SPRAY 
SWIFT’S END-O-PEST—Simplied, efficient pest control for 
chewing and sucking insects and fungus diseases. The Eind-o- 
Pest Gun makes dusting easy. (4 oz. sifter pkg. 25c) (10 oz. 
applicator gun 79¢c) (10 oz. refill cartridge 59e) (2 Ib. pouring 
spout pkg. $1.79), F.O.B. Denver. 
SULFOCIDE—A liquid sulfur fungicide which breaks down to 
microscopically fine collodial sulfur on the foliage. It adds 
greatly to the effectiveness of sprays for red spider and 
spider mites. Cannot be used on foliage containing arsenical 
residue. (pts. $1.05) (qts. $1.50) (gals. $3.15), Postpaid. 
