t, when badly
diseased, are barren and unsightly or worse. Rosette has been
found in all ages, from nursery stock to trees forty feet high.

"The cause of the disease remains a mystery. No fungous or
other parasite can be detected in the earliest stages. The
appearance of the trees leads us to infer that the trouble is
internal, due to some derangement of the nutritive or
assimilative functions of the plant, but we are unable to
correlate this with any corresponding external conditions. That
is to say, that so many cases have been observed on fertile
soil, when cultivation, drainage and plant food had all been
provided, that it is impossible to conclude that the disease
could be due to starvation or to the lack of any single element
in the soil, nor can it be due to over-feeding, since it occurs
in light soils and in neglected orchards.

"It seems probable that it will be classed by the plant
pathologist with peach rosette, peach yellows, and related
diseases, the causes of which still remain unknown after years
of investigation. The indications are that it is contagious,
though a complete demonstration of this point remains to be
made; at any rate, it must be regarded with concern until more
knowledge is available."

The best recommendation that can be made in regard to pecans
affected by this disease is to dig them up and burn them.

BORDEAUX MIXTURE.

Copper sulphate, 5 pounds.
Lime (unslacked), 5 pounds.
Water, 50 gallons.

Dissolve the copper sulphate in two gallons of water, place it
in barrel No. 1 and add water to make twenty-five gallons.
Slack the lime, reduce it to a very thin paste, place it in
barrel No. 2 and add water to make twenty-five gallons. To mix
the solutions of lime and copper sulphate, dip a bucketful from
each barrel, and pour together into the barrel of the spray
pump. _The two mixtures should flow together as they are poured
into the barrel._ This is one of the secrets of making a
first-class mixture. The best arrangement is to have the
barrels, Nos. 1 and 2, elevated, and use a piece of rubber hose
to run the liquids into the pump barrel.

If a large amount of spraying is to be done, a somewhat
different policy should be pursued. Too much