
          29

"I explained how the trees I exhibited did come in that
condition, and further all I knew about the aphis from careful
observation. I have read all the information I could
get on this insect.  I must say that even Prof. Riley does
not say much about its habits. x x

"I have dug up peach roots that were six to twelve inches
deep in quite wet, red soil, when the surface of the
groung was cold, almost frosted.  Thousands, yes millions
in some cases, were in the foots, the smallest so small as
hardly to be seen with the naked eye, yet brought under the
microscope, even the small ones were awful looking sap suckers."

In Gardeners' Mo. 1880, p50, Thos. Meehan says
yellows is due to a "cobwebby fungus" of the roots, which
feeds on and destroys the ends of the growing rootlets."
[This fungus, which I have seen, is <s>undoubtedly</s> probably a saprophyte.]

"In all my experience in England as a gardener, I never
saw anything like the disease called yellows here.  I do
not think the thing is found there, and can you tell the
reason why?"  "J. K. in the Gard. Mo., 1880, p. 145.
        