The latex, which is usually coagulated by standing or by heating, is obtained from incisions in the bark of the tree.
To obtain the latex, deep incisions are made near the base of the tree extending up the trunk.
Incisions to receive the milk, each cup being attached by sticking a piece of soft clay to the tree and pressing the cup against it.
A method at one time largely adopted was to make a series of V-shaped incisions on four sides of the tree to a height of about 6 ft.
When the bark has been removed a period of from three to four years must elapse before it is so fully renewed as to render fresh incisions possible.
In the case of a tree from seven to ten years old, tapping is so arranged that by the time the last incisions on the original growth are made, the new growths on other portions are at least four years old, and ready for new incisions to be made.
That which dries on the incisions in the tree is called " bola " or " burucha," and is said to be highly prized in New York.
219; Shattock, " Healing of Incisions in Vegetable Tissues," Journ.
Cedria, or cedar resin, is a substance similar to mastic, that flows from incisions in the tree; and cedar manna is a sweet exudation from its branches.
It is obtained by making incisions in the bark of the trees, and appears to be formed as the result of the wound, not to be secreted normally.
At this time, however, the flesh was replaced by a stuffing of sawdust, sand, or other lasting material, introduced with great skill through a few incisions and apertures, so that the natural forms were completely restored.
The Christians of the early centuries, looking for corporeal resurrection, avoided the incisions, extraction of organs, &c., practised by their pagan forefathers, and buried the body entire after pickling it in salt.
Otherwise it may be obtained by making incisions in the bark or wood of the secreting plant.
His legs grew weaker; his breath grew shorter; the fatal water gathered fast, in spite of incisions which he, courageous against pain but timid against death, urged his surgeons to make deeper and deeper.
In copperplate printing the whole of the plate is first inked, the flat surface is then cleaned, leaving ink in the incisions or trenches cut by the engraver, so that, when dampened paper is laid over the plate and pressure is brought to bear, the paper sinks into the incisions and takes up the ink, which makes an impression in line or lines on the paper.
The incisions are made by holding the capsule in the left hand and drawing a knife two-thirds round it, or spirally beyond the starting-point (see fig.
2, a), great care being taken not to let the incisions penetrate to the interior lest the juice should flow inside and be lost.
2, b) in most districts (although in some the incisions are made horizontally, as in Asia Minor), the " nushtur " or cutting instrument being drawn twice upwards for each incision, and repeated two to six times at intervals of two or three days.
It was found that the method yielding the best results was to make incisions in the poppy-heads soon after sunrise, to collect the juice with the finger immediately after incision and evaporate it as speedily as possible, the colour of the opium being lighter and the percentage of morphia greater than when the juice was allowed to dry on the plant.
MANNA, a concrete saccharine exudation obtained by making incisions on the trunk of the flowering or manna ash tree, Fraxinus Ornus.
This operation is performed in July or August during the dry weather, by making transverse incisions i z to 2 in.
That which flows from the lower incisions is often collected on tiles or on a concave piece of the prickly pear (Opuntia), but is less crystalline and more glutinous, and is less esteemed.