Certified 
FOR PRICES ON SEED PO- 
TATOES, SEE PRICE-LIST. 
FREIGHT-PAID OFFER 
DOES NOT APPLY ON 
SEED POTATOES 
IRISH 
COBBLER 
The value of Aroos- POTATOES 
took-grown Seed Pota- 
toes Is unquestionable. 
The Certification De- 
partment of the State of 
Maine plans to safeguard 
the interests of the seed 
buyers. Two field in- 
spections are made dur- 
ing the growing season 
and one at digging time. 
While each carload is 
bemg graded, an inspec- 
tor visits several times. 
Semesan Bel 
Better Potato yields with Improved Semesan Bel 
Tests in 15 states have proved that any Potato grower 
can usually expect better returns from his seed if he 
treats 1t with Semesan Bel before planting. Results in 
lower grading cost and more profit. Treat your seed 
as fast as you can dip it. One pound treats 60 to 75 
bushels. Free pamphlet. Postpaid, 2 ozs. 50c; 
Ib. $2.30. 
COMPLETE PLANT FOOD 
V 
Prices subject to change without notice 
Get the most out of your gardening by using a com- 
plete plant food. Vigoro supplies plant food in scien- 
tiftcally balanced proportions—the vital food elements 
that growing things must have from the soil. Helps 
you get finer flavored, nutritious vegetables and _aill- 
round bigger and better crops. Get Vigoro today for a 
bumper crop. 
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Above prices not prepaid. Add extra for postage, or 
we can ship freight or express collect. 
“We had a wonderful garden last year due to your good 
seeds. You will remember perhaps we drove all the way down 
to get them. We do like you folks so much and appreciate your 
courtesy and generous business attitude.””—Naomri E. Wricut, 
Hunterdon Co., N. J. 
Maine Seed Potatoes 
Irish Cobbler. An early, white-skinned variety, very 
short, thick and inclined to be shaped round. This 
Potato is yearly increasing in popularity for early 
markets. We advise ordering early. 
Katahdin. Introduced by the Maine Experiment 
Station; promises to be an outstanding variety. Ma- 
tures about midway between the Cobbler and Green 
Mountain. Round in shape, eyes very shallow. Very 
heavy yielder. 
Kennebec. This is a new variety, highly resistant to 
late blight, wild mosaic, and net necrosis. It is a very 
vigorous, high-yielding, late-maturing variety. In 
tests for five years at Presque Isle, Maine, it out- 
yielded Katahdin by 97 bushels per acre. It also 
produced the highest percentage of U.S. No. 1 
Potatoes. See Price-List. 
Russet, Michigan Certified. One of the best for main- 
crop cultivation. Similar to the Raleigh in shape of 
tuber but has a russet skin and few eyes. This is a 
very hardy sort and usually produces good yields, 
even when seasons are unfavorable. Vines grow 
vigorously, have fine blight-resisting qualities, and 
usually remain green until late in fall. 
More POTATOES With 
Reg. U. S. Pat. Of. 
UBERTONE | 
Katahdin Potatoes treated with Tubertone before 
planting outyielded untreated ones by an average of 
19.2 per cent in Aroostook County, Maine, trials. 
TUBERTONE IS A PLANT HORMONE POWDER 
THAT PROMOTES GROWTH 
Dust cut Potatoes before planting. Produces larger, 
more uniform crops with more No. 1 grade Potatoes. 
10-Ib. bag (enough for one acre) $5.00; 50-Ib. lot 
(enough for 5 acres) $22.50 prepaid. 
P. L. Rohrer & Bro., Inc., Seedsmen 
Smoketown, Lancaster Co., Penna. 
