Science to the rescue 

FLORIST’S SUNDRIES—Continued 
Pearl Chips. For bulb bowls, aquariums, etc. White and assorted 
colors. Pkg. 10c; 12 pkgs. $1.00; 25 pkgs. $2.00; 100 pkgs. $7.50. 
Eee oon White. In bulk. 10 Ibs. 85c¢; 25 Ibs. $1.75; 100 Ibs. 
scone” Assorted Colors. 10 Ibs. 85c; 25 Ibs. $1.75; 100 Ibs. 
Peat, Orchid. Lb. 50c; 5 Ibs. $2.50; 10-Ib. bag, $4.00. 
Pebbles. Qt. 10c; 25 tbs. 75c; 100 Ibs. $2.50. 
Pruning Compound or Tree Dressing. Qt. 75c; gal. $2.25. 
Sand. For propagating. 25 Ibs. 50c; 100 Ibs. $1.75; 500 Ibs. $7.00. 
Shaderine. 5 Ibs. $2.25; 10 Ibs. $4.50. 
Skybryte Glass Cleaner. 5 Ibs. $3.75; 25 ibs. $16.25. 
Weed Killer, Michell’s. Dilute 1 gallon to 40 gallons of water. 
Qt. 60c; gal. $1.35; 5 gals. $6.00; 30 gals. $30.00; 55 gals. 
$48.50. Drum deposit, $4.00 returnable. 
Weedone. This new weed killer will kill ison ivy, bindweed, wild 
morning glory, and Japanese honeysuckle. 6-oz. bottle 65c¢; 1-qft. 
bottle $2.25; 1-gal. bottle $7.00; 5-gal. can $22.00. 
Michells Jusect Destroyers, ede. 
DIRECTIONS FOR USING ANY OF THE FOLLOWING WILL BE FOUND ON EACH PACKAGE 
Aphine. For destroying aphis, green fly, thrips, red spider and other 
greenhouse and outdoor insects. It dilutes readily in water, about 
1 part to 40 of the latter. Qt. $1.00; gal. $3.25. 
Arsenate of Calcium. Used. for spraying potatoes, cotton, tobacco, 
etc., against chewing and leaf-eating insects. One pound makes 
40 to 50 gailons. Lb. 25¢; 4-tb. bag 70c; 24 Ibs. $3.75. 
Arsenate of Lead, Powdered. One to 11/4 pounds dilutes to 50 
gallons of water, or may be used dry, like Paris Green. Lb. 45c; 
4 Ibs. $1.30; 24 Ibs. $7.50; 96 Ibs. $28.80. 
Black-Leaf 40. 1-oz. bottle 36c; 5 ozs. $1.05; Ib. $2.42; 2 Ibs. 
$4.15; 5 Ibs. $7.90; 10 Ibs. $13.75; 50-Ib. drum $58.50. 
Bordeaux Mixture, Powder. A 12 per cent copper mixture for 
Seiks Purposes. Lb. 30c; 4 Ibs. 90c; 48 tbs. $8.50; 96 Ibs. 
19.00. 
Carbolineum. A germicide and disinfectant. An excellent wood 
preserver when used as a paint. Gal. $1.90; 5 gals. $7.25. 
Ceresan, New Improved. (DuBay). For wheat. 4 ozs. 35c; Ib. 
90c; 4 Ibs. $3.00; 40 Ibs. $26.40; 100 tbs. $61.05. 
Ceresan. 2 per cent. For treating the seed of small grains, such 
as Barley, Oats, other cereals, Narcissus and Cotton. 2 to 3 ounces 
are required for 1 bushel of seed. 1 Ibs. $1.25; 434 Ibs. $3.50; 
25 Ibs. $16.09; 100 Ibs. $57.75. 
Copper Solution. Excellent spray for Carnation and Snapdragon 
rust and disease of the Grape, Pear, Apple and other fruits. 
Pt. 80c; qt. $1.40; gal. $4.50; 5 gals. $19.00. 
Cuprinol Green. Insects and fungi just don’t go in wood treated 
with Cuprinol. This excellent wood preserver is harmless to plants. 
One gallon covers 400 sq. ft. Gal. $3.45; 5 gals. $16.75; 50 gats. 
$139.50. 
CUPRINOL CLEAR is a clear wood preservative. Cuprinol-treated 
wood may be painted, varnished, waxed, or finished in any way 
desired, although it protects equally well whether painted or left 
unpainted. It is excellent for treating wood for greenhouses, forc- 
ing frames, plant boxes, etc. Gal. $3.75; 5 gals. $18.25. 
CUPRINOL FOR FLORISTS. Especially prepared for dipping 
flats, stakes, etc. Will result in considerable saving at these low 
prices. 5-gal. pails $11.75; 50-gal. drums $99.00. (Note: Use the 
regular Cuprinol for wood on benches and other permanent con- 
struction where application is made by brush or spray.) 
Cyanegg. For generating hydrocyanic acid gas. Claimed to be the 
best remedy for killing the white fly. Do not use on Sweet Peas, 
as it destroys them. 5 Ibs. $2.25. 
| CYANOGAS (Calcium Cyanide). G. Fumigant. A valuable in- 
secticide for greenhouse fumigation; eliminates aphis, thrips, white 
fly or soft scale. 5 Ibs. $3.75; 25 Ibs. $12.50; 100 Ibs. $30.00. 
CYANOGAS (Colcium Cyanide). A. Dust. For killing rats, moles, 
woodchucks and other rodents. 2 Ib. 45¢; Ib. 88c; 5 Ibs. $3.75; 
25 Ibs. $12.50; 100 Ibs. $30.00. 
DE-K-PRUF. |s the result of intensive research to determine the 
most effective means of protecting wood and fabrics -against 
decay. Qt. 80c; sal. $2.30. 
DEE NATE-25-W (Pu Pont). Wettable powder containing 25% 
DDT. For use on agricultural crops, farm animals and farm 
buildings. 4-lb. bag $1.20; 100-Ib. drum $24.00. 
DEE NATE 50% is used for the same purpose but it is twice as 
effective and eee economical than DEE NATE-25-W. It leaves 
far less residue than the 25% solution. 4 Ibs. $1.80; 50 Ibs. 
$18.00. 
D.N. DUST No. 10. 10 Ibs. $3.50. 


D.N. DUST No. 12. Is highly effective in controlling red spider mite 
and thrips on Carnations, Roses, Calla Lilies, Snapdragons, and 
Gardenias. 10 Ibs. $4.50; 50 Ibs. $20.00. 
Dowspray 17. Has the same properties as D.N. Dust No. 12 with 
the exception that it is a spray Use 34 pound of Dowspray 17 
to 100 gallons of water. Lb. $3.00. 
Dowfume* G. An effective, inexpensive, easily handled soil fumi- 
gant which permits replanting in 2 to 4 days. It contains Methyl 
Bromide, a highly effective penetrating chemical especially toxic 
to nematodes (eelworms), soil insects, millepedes, centipedes, pill 
bugs, and certain other soil pests. 10 gals. $27.50. 
Dowfume Anti-Weed Gun. (Macks.) A highly satisfactory hand 
applicator adjustable to measure dosages from two to ten cc. per 
stroke. Recommended for the use of Dowfume. Price, $20.00. 
Dutex. A non-arsenical control for beetles. Lb. 35c¢; 6 Ibs. $1.60. 
Fermate. Is effective for diseases on Apples, Pears, Sweet Cherries, 
Celery, Tomatoes. Also for black-spot on Roses, Septonia leaf spot 
on Chrysanthemums, and Snapdragon rust. 3 Ibs. $2.65; 25-Ib. 
drum $18.75. 
Filmfast. A superior spreader which should be added to all spray 
mixtures except oi! sprays. Filmfast should be added at the rate 
of 3 pounds to each 100 gallons of spray solution. 2 Ibs. 50c; 
25 Ibs. $5.50; 100 Ibs. $19.50. 
Fish-Oil Soap No. 1. An excellent summer spray, when something 
stronger cannot be used, where the San Jose scale exists. It is nice 
for washing Lemon trees, Oleanders, and almost anything that 
would be infested with soft-shelled cr, in foct, most any kind of 
insect. Lb. 30¢; 5 Ibs. $1.25; 10 Ibs. $2.25; 25 Ibs. $4.00; 50 Ibs. 
$6.25; 100 Ibs. $10.75. 
Fish-Oil Soap No. 3, Good’s Caustic. This comes in a soft soap 
form and is easily dissolved. One pound to 10 gallons of water. 
Lb. 30c; 5 Ibs. $1.25; 10 Ibs. $2.25; 25 Ibs. $4.00; 50 Ibs. $6.25; 
100 Ibs. $10.75. 
Fish-Oil Soap No. 9 (Rosin). Especially recommended for the 
destruction of Boxwood maggot, bayworm, and caterpillars. 5 Ibs. 
$1.40; 10 Ibs. $2.75; 25 Ibs. $4.75; 50 Ibs. $8.25; 100 Ibs. $13.50. 
Formacide. A stabilized formaldehyde dust, triple strength seed 
and soil disinfectant, used as a control of damping-off. V2 Ib. 45¢; 
Ib. 80c; 5 Ibs. $2.25; 25 Ibs. $9.00; 50 Ibs. $15.75; 100 Ibs. $27.00. 
FumeTobac. For burning. A high nicotine content Tobacco dust for 
St acomm fumigation. 25 Ibs. $4.50; 50 Ibs. $8.00; 100 Ibs. 
15.00. 
Grape and Rose Dust. A powder preparation used for mildew, 
aphis, black fly, and other insects; also for fungous diseases, 
SL odie in greenhouses. 5 Ibs. $1.25; 25 Ibs. $6.00; 100 Ibs. 
22.00. 
Kerosene Emulsion, Liquid. Miscible Oil. Makes an excellent 
spray for all mild forms of scale and soft lice. Dilutes 1 part to 
20 parts of water. Qt. 70c; gal. $1.60; 5 gals. $5.25. 
K. R. O. Kills rats only. Not a poison. 2-oz. can 75c. 
L-333. (Rotenone Plant Spray.) A concentrated pyrethrum-bearing 
insecticide for the control of leaf rollers, cutworms, aphids and 
other soft-bodied insects. 1-gal. can $10.75. 
Lemon-Oil Insecticide. Effectually destroys mealy bug, scale, 
thrips and red spider. 14 pt. 40c; pt. 70c; qt. $1.25; gal. $3.50; 
5 gals. $14.00. 
Lime-Sulphur, Dry Powder Form. Instantly soluble in either 
cold or hot water. Dilute 1 pound to 6 gallons water. Does not 
separate; keeps indefinitely. Lb. 40c; 5 Ibs. $1.80; 25 Ibs. $4.35; 
100 fbs. $14.50. 

HENRY F. MICHELL CO., 516-518 Market Street, Philadelphia 5, Pa. 37 
