
          26

"Col. Wilkins, of Maryland, is sure that an aphis causes the
yellows in the peach. The peculiar process by which this
cause was traced to this effect, we have not had described to
us."--Gardeners' Monthly. 1876, p. 211.

Peach curl is said to be a fearful pest in California.
Ibid. 1877, p. 56.

Peach Yellows Law did not apply to all counties in Michigan
in 1878--e.g. Berrien etc. were exempted. W. J. Beal, in
Gardeners' Mo., 1878. pp. 24-5.

"The 'curl' has nothing to do with the yellows, which,
as already stated in our magazine, is caused by the mycelium
of a species of Agaricus.  It rarely developes [develops] into a perfect
toad-stool, though in the writer's carefully conducted
experiments [sic] he has bred them.  The spawn attacks healthy living 
roots and permeates the tree through all its parts."
Thos. Meehan. Gard. Mo. 1879. p.80.

"There is nothing more certain than that the Yellows in 
the Peach is a root fungus.  This is so easily ascertained
        