
          65

For reference to Jas. W. Thompson's paper on date of commencement of peach
growing in Delaware [1832], see also The American Farmer,
Baltimore, 1846, , pp.27-29. He speaks of yellows as "a
constitutional, consumptivie, or marasmatic disease, x x
by far the most destructive enemy of the peach tree."--p. 29.

As long ago as 1848 a New Jersey peach grower talked of
yellows as the result of bad treatment and soil poverty.  The
Am. Farmer, Baltimore, 1848, p. 87.

T. W. Harris, the Entomologist, saw yellows in his garden
in Mass, in 1854.  He says: "For the first time in eleven
years the symptoms of the disease have appeared in my
garden.  It is confined to two branches on the north side of
one peach tree, the fruit of which is becoming red some three
or four weeks too soon, while a few wiry shoots, clothed with
diminutive and pale leaves, have sproutd upon these branches.
Neither borers nor the Tamicus luminaris have been discovered
in the tree; and the cause of the disease remains as
much a mystery to me as to other cultivators. x x In former
years peach trees have rarely suffered from yellows in this
        