A dictionary of modern gardening - University Library

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FUE 241 FUM
increased, and they should be grown i
;
duct will be the quantity of fuel required
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in the open air
" Those who cultivate the Fuchsia,
to heat a cubic foot of air, one degree ;
and twenty times that quantity will heat
with the desire of obtaining it in the
greatest perfection, should remember
it twenty degrees ; thirty times will heal
it thirty degrees, and so on. Now
that in its native haunts it flourishes 0.0075 lbs. of best coals will heat a
under the shade of loftier shrubs. Rea- cubic foot of water one degree ; thereson,
therefore, suggests, and experience fore 0.000002625 lbs. of best coals will
has proved, that nothing more conduces heat a cubic foot of air one degree,
to its vigour than shading it for three or It is essential to good and profitable
four hours during the hottest period of fuel that it should be free from moistthe
day, and syringing gently every ure ; for unless it be dry, much of the
night and morning during hot weather.' heat which it generates is consumed in
— Gard. Chron.
converting that moisture into vapour :
Winter Protection.—At the approach hence the superior value of old dense,
of frost, that excellent horticulturist, dry wood, to that which is porous and
Mr. Mearns, recommends that the
plants should be taken out of the soil,
and all the laterals cut from them
upon those intended to be trained to a i
wall, paling, or trellis, leave three,
four, five or six canes. They are then
damp. A pound of dry will heat thirtyfive
pounds of water from 32'' to 212'^;
but a pound of the same wood in a
moist or fresh state, will not similarly
heat more than twenty-five pounds.
The value, therefore, of different woods
ready to be deposited until the end of for fuel is nearly inversely as their
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April, or
heath or
beginning of May, in a pit in moisture : and this may be readily as-
any other tolerably dry soil, certained by finding how much a pound
or sand, and place them in a sloping weight of the shavings of each loses by
direction in the pit with stakes driven
"
drving during two hours, at a terapera-
here and there diagonally over them,
that they may be kept hollow, and to
prevent the soil fronn pressing too much
upon their brittle stems.
In covering them use no straw, or
matting, but allow the soil to fall
tufe of 212".
The preceding are the average of
results obtainable in a common wellconstructed
furnace. By a complicated
form of boiler, perhaps a small saving
of fuel, in obtaining the same results.
amongst them, and form it into a sharp may be effected ; but it will be found
ridge at the top. Gard. Chron. generally, that the original cost of
The laterals removed at the time of apparatus, and the current additional
this winter-pruning, if divested of their expense for repairs, will more than
laterals, and packed in powdered char- exceed the economy of fuel. Prin. of
coal, or perfectly dry earth, in boxes,
and placed out of the reach of frost, in
a cool place, will retain their vitality
until next April, when they may be cut
into lengths of about a foot long, and
planted with a dibble; insert them into
the ground, so as to leave about three
inches of the cuttings above the surface
—
Gard.
FULL-FLOWER. See Double-flower.
FUMARIA. Six species. Hardy annual
climbers. Seed. Common soil.
FUMIGATING is employed for the
destruction of certain insects ; the inhaled
vapour or smoke arising from
some substances being fatal to them.
Tobacco (see Tobacco) is the usual sub-
in any place where they are wanted to
flower next summer. If kept tolerably stance employed; and it may be ignited,
moist, they will be found to make good ; and the smoke impelled upon the insects
by bellows ; or the ignited tobacco may
flowering plants with little trouble
Gard. Chron.
be placed under a box, or within a
FUEL is no small item in the annual frame together with the affected plant,
expenditure of the stove, green-house. The vapour of turpentine is destructive
and conservatory departments, and
therefore deserves consideration.
The specific heat of water being 1,
and that of atmospheric air 0.00035, or
jg'jjjth, if the quantity of fuel which
will heat a cubic foot of water one degree
be multiplied by 0.00035, the pro-
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to the scale and other insects, employed
in this mode. Mr. Mills has also stated
the following as the best mode of fumigating
with tobacco.
" According to the size of the place
to be fumigated, one or more pieces of
cast iron, one inch thick, and three