"Two or more vertical incisions are made in the capsule with a sharp knife or other instrument, about an inch in length, and not so deep as to penetrate through the capsule. As soon as the incisions are made, a milky juice will flow out, which, being glutinous, will adhere to the capsule. This may be collected by a small hair-brush such as is used by painters, and squeezed into a small vessel carried by the person who collects the juice. The incisions are repeated at intervals of a few days all round the capsule, and the same process of collecting the exuded juice is also repeated.
"The juice thus collected is Opium. In a day or two, it is of the consistence to be worked up into a mass. The narcotic matter of the plant may also be collected by boiling; but it is only the exuded juice that forms pure Opium.
"In the opium countries of the East, the incisions are made at sunset by several-pointed knives or lancets. On the following day the juice is collected, scraped off with a small iron scoop, and deposited in earthen pots; when it is worked by the hand until it becomes consistent. It is then formed in globular cakes, and laid in small earthen basins to be further dried. After the opium is extracted from the capsule, the plant is allowed to stand, and ripen its seeds.
"The seeds of the Poppy have nothing of the narcotic principle, and are eaten by the people of the East as a nourishing and grateful food; and they yield, by expression, an oil which is regarded as inferior only to that of the olive."—Law.
The expense of labor forms the principal objection to the cultivation of the Poppy in the United States for its opium. As, however, the plants succeed well, and can be easily and extensively grown in any section of the country; and as the process of extraction, though minute, is yet simple,—the employment of females or children might render its production remunerative.
PALMATE-LEAVED RHUBARB. Law.
Turkey Rhubarb. Rheum palmatum.
This species is readily distinguished by its deeply divided or palmate leaves, and is generally considered as that from which the dried roots chiefly used in medicine are obtained. Like the Pie Rhubarb, it requires a deep, rich soil, which should be thoroughly stirred, and put in as fine a state of cultivation as possible, before setting the plants. These should be placed about three feet apart in each direction, and kept free from weeds during the summer. They will not be ready for taking up until five or six years old.
The roots are thick and succulent, with a brownish skin and bright-yellow flesh, streaked or variegated with red. After being dug, they are washed clean, cut in rather large pieces, and dried either by the sun, or in kilns formed for the purpose; when they are ready for use.