
          188

or limbs of the tree of very small, slender shoots, about the
size of a hen's quill.  The leaves upon these shoots are
commonly destitute of green color, as if blanched, or as if
grown in a dark cellar, and like the shoots which bear them
are of diminutive growth--rarely exceeding an inch in length.
These shoots do not usually start from the common, visible
buds at the points where the leaves join the stem, but from
unseen latent buds in the bark of the trunk or large branches.
The other symptom is the ripening of the fruit two to four
weeks before its natural season of maturity.  Most generally
also, the fruit, whatever be its natural color,  is more or
less spotted with purplish red specks.  If shoots, such as are
above described, appear upon a <s>large</s> tree, or without them,
if the fruit upon any part of it (not wormy) ripens before
the proper time, it may be certainly known that the tree has
the yellow." p. 60.

He says these are the most marked but not the only
symptoms of the disease.  "The ordinary leaves of the tree,
or at least those upon the diseased portion of it, commonly
undergo a slight change of color.  Instead of a bright glossy green
they take on a dull yellowish tinge.  The wood also, where
the disease is considerably advanced, becomes unelastic, so
        