THE GARDENERS' CHRONICLE OF AMERICA 41 
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Since 1847 
THE firm of Peter Henderson & Co. was founded in 1847 and the 70 
years of success that are behind Henderson's Tested Seeds must and 
does make them the best that it is possible to buy. More than half a 
century ago Henderson's was the standard by which other seeds were 
judged, and the same condition exists in 1917. Our methods of seed trials 
and seed testing, which were the best three generations ago, have been im- 
proved upon from year to year and to-day are still the best. 
The unknown quantity in your garden and farm is the quality of the 
seeds you sow and you cannot be too careful in making sure that you obtain 
the best procurable. For many years the name of Peter Henderson & Co. 
has been indissolubly linked with all that is best in seeds, because our con- 
stant purpose has always been — and will continue to be — to supply to our 
customers pure seeds of the highest germinating power only. Henderson's 
Seeds are Tested Seeds. 
Everything for the Garden 
is the title of our annual catalogue. The 1917 edition is really a book of 208 
pages, handsomely bound, and contains 32 color plates and over 1000 half 
tones direct from photographs, showing actual results without exaggeration. 
The cover is another of our unusual historical series and has for its subject 
Thomas Jefferson's home, "Monticello." This series of covers, which we 
have used for several years, is decidedly unique and has occasioned a great 
deal of favorable comment from our customers. This year's is even better 
than the previous ones. 
We should be glad to send a copy of this great catalogue without charge, 
if you will mention the "Gardeners' Chronicle." 
I PETER HENDERSON & CO. | 
I 35-37 Cortlandt St. New York City | 
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