INSECTICIDES—Continued 
Qood News for 
Rose Lovers 
Tri-ogen 
Trade-Mark 
THE ALL-PURPOSE SPRAY 
No More Bugs or Bothers 
TRI-OGEN once and for all solves 
the black-spot problem. It gives com¬ 
plete protection against all fungus 
diseases, including mildew, black-spot, 
rust, canker, etc. 
TRI-OGEN protects absolutely against 
all insect pests. 
Its stimulating value promotes vigor 
and growth, healthy green foliage— 
with resulting luxuriant blooms. 
That is why gold medals have been 
won consistently by the amateur and 
professional growers who have adopted 
the Tri-ogen treatment. 
Read the experiment recounted in 
the American Rose Annual. 
Read the enthusiastic, volunteer 
endorsements of its value by rose 
experts. 
THERE IS NOTHING 
IN THE WORLD LIKE 
TRI-OGEN 
The all ^purpose spray 
Fungicide— Irfsecticide — Plant Stimulant 
Complete Protection against Plant 
Insects and Diseases 
In the past. Mildew and Black Spot have been most 
difficult to combat. However, these diseases are now 
easily controlled with the Tri-ogen Spray Treatment, 
which gives COMPLETE protection against all diseases 
and insect pests. It is easily applied and also acts as 
a plant stimulant—producing vigor in growth with 
resultant luxurious blooms, heretofore considered im¬ 
possible. The Tri-ogen Spray Treatment applied weekly, 
from early season until late frost, makes it possible 
for the amateur to achieve the success, in many cases, 
comparable to the professional grower. 
TRI-OGEN was officially adopted for the exclusive 
protection of the Garden of 16000 Roses, at the 
CENTURY OF PROGRESS, Chicago World's Fair. 
PRICES 
A. Small Kit (makes 16 quarts).$1.50 
B. Medium Kit (makes 64 quarts).4.00 
C. Large Kit (makes 32 gallons) . ...... 6.00 
D. Estate Kit (makes 128 gallons).20.00 
These Prices Are Prepaid 
Ask for Free folder telling about experi¬ 
ments with Tri-Ogen, conducted by Dr. 
L. M. Massey, Plant Pathologist, Cornell 
University, also testimonials from such 
world renowned rose growers as J. Horace 
McFarland, Jackson & Perkins Co., etc., etc. 
Sprayers> Spray Pumps and Dusters 
FREE “SPRAYING GUIDE” on request. Tells How, What, and When to Spray 
HUDSON DUSTERS 
Efficient, Moderately Priced. 
The “CORPORAL.” Pump has a 5-in. stroke, 
lA/i-in. in diameter. Each, 20c; or by mail, 
30c. 
The “SIGNAL.” 7 in. stroke, l^-in. in di¬ 
ameter. Each, 35c; by mail, 45c. 
The “CADET.” 8 in. stroke, 1% in. in di¬ 
ameter. Each, 45c; by mail, 55c. 
The “MAJOR.” 13 in. long, 1% in. in di¬ 
ameter. Equipped with two 12-in. exten¬ 
sions, one for force and direction, the 
other for volume and coverage. Each, 05c; 
by mail, $1.10. 
No. 202 Hand Sprayer 
Modoc No. 122 
“MARVEL.” All brass 
bucket pump with foot 
rest. 3 ft. of special 
spray hose. 12 in. curved 
brass extension rod. 
$2.75; by mall, $3.00. 
“MODOC.” All brass bucket 
pump, foot rest and 12 
in. curved extension rod, 
all purpose nozzle. $3.75; 
by mail, $4.00. 
“MOHAWK.” All brass, 
double chamber, 12 in. 
extension rod, fog nozzle, 
adjustable, with discs for 
fine spray or solid stream. 
$4.00; by mail, $4.25. 
No. 202 MIDGET HAND SPRAYER. For use 
in and about the home. 1^4 in. in diameter, 
10 in. long. 35c each; by mall, 45c. 
47 
