OBSERVATIONS

ON THE

Barrenness

OF

FRUIT TREES.

OBSERVATIONS

ON THE

Warrenness

OF

FRUIT TREES,

AND THE MEANS OF

PREVENTION AND CURE.

By P. LYON.

Colere Deos, Colere Agros.
“ By the sweat of thy brow, shalt thou earn thy food."

EDINBURGH:

PRINTED BY C. STEWART,

FOR WILLIAM BLACKWOOD, SOUTH BRIDGE STREET ;

AND ROBERT BALDWIN, PATERNOSTER ROW,

LONDON.

1813.