In the course of my journey through Sennaar, I saw that all the inhabitants were well acquainted with the virtues of this plant. I had prepared a quantity pounded into powder, and used it successfully everywhere. I thought that the mixing of a third of bark with it produced the effect more speedily, and, as we had now little opportunity of getting milk, we made an infusion in water. I tried a spiritous tincture, which I do believe would succeed well. I made some for myself and servants, a spoonful of which we used to take when we found symptoms of our disease returning, or when it was raging in the place in which we chanced to reside. It is a plain, simple bitter, without any aromatic or resinous taste. It leaves in your throat and pallet something of roughness resembling ipecacuanha.
This shrub was not before known to botanists. I brought the seeds to Europe, and it has grown in every garden, but has produced only flowers, and never came to fruit. Sir Joseph Banks, president to the Royal Society, employed Mr Miller to make a large drawing from this shrub as it had grown at Kew. The drawing was as elegant as could be wished, and did the original great justice. To this piece of politeness Sir Joseph added another, of calling it after its discoverer’s name, Brucea Antidysenterica: the present figure is from a drawing of my own on the spot at Ras el Feel.
The leaf is oblong and pointed, smooth, and without collateral ribs that are visible. The right side of the leaf is a deep green, the reverse very little lighter. The leaves are placed two and two upon the branch, with a single one at the end. The flowers come chiefly from the point of the stalk from each side of a long branch. The cup is a perianthium divided into four segments. The flower has four petals, with a strong rib down the center of each. In place of a pistil there is a small cup, round which, between the segments of the perianthium and the petala of the flower, four feeble stamina arise, with a large stigma of a crimson colour, of the shape of a coffee-bean, and divided in the middle.
CUSSO, BANKESIA ABYSSINICA.
The Cusso is one of the most beautiful trees, as also one of the most useful. It is an inhabitant of the high country of Abyssinia, and indigenous there; I never saw it in the Kolla, nor in Arabia, nor in any other part of Asia or Africa. It is an instance of the wisdom of providence, that this tree does not extend beyond the limits of the disease of which it was intended to be the medicine or cure.
The Abyssinians of both sexes, and at all ages, are troubled with a terrible disease, which custom however has enabled them to bear with a kind of indifference. Every individual, once a month, evacuates a large quantity of worms; these are not the tape worm, or those that trouble children, but they are the sort of worm called Ascarides, and the method of promoting these evacuations, is by infusing a handful of dry Cusso flowers in about two English quarts of bouza, or the beer they make from teff; after it has been steeped all night, the next morning it is fit for use. During the time the patient is taking the Cusso, he makes a point of being invisible to all his friends, and continues at home from morning till night. Such too was the custom of the Egyptians upon taking a particular medicine. It is alledged that the want of this drug is the reason why the Abyssinians do not travel, or if they do, most of them are short-lived.
The seed of this is very small, more so than the semen santonicum, which seems to come from a species of worm-wood. Like it the Cusso sheds its seed very easily; from this circumstance, and its smallness, no great quantity of the seed is gathered, and therefore the flower is often substituted. It is bitter, but not nearly so much as the semen santonicum.
The Cusso grows seldom above twenty feet high, very rarely straight, generally crooked or inclined. It is planted always near churches, among the cedars which surround them, for the use of the town or village. Its leaf is about 2¼ inches long, divided into two by a strong rib. The two divisions, however, are not equal, the upper being longer and broader than the lower; it is a deep unvarnished green, exceedingly pleasant to the eye, the fore part covered with soft hair or down. It is very much indented, more so than a nettle-leaf, which in some measure it resembles, only is narrower and longer.
These leaves grow two and two upon a branch; between each two are the rudiments of two pair of young ones, prepared to supply the others when they fall off, but they are terminated at last with a single leaf at the point. The end of this stalk is broad and strong, like that of a palm-branch. It is not solid like the gerid of the date-tree, but opens in the part that is without leaves about an inch and a half from the bottom, and out of this aperture proceeds the flower. There is a round stalk bare for about an inch and a quarter, from which proceed crooked branches, to the end of which are attached single flowers; the stalk that carries these proceeds out of every crook, or geniculation; the whole cluster of flowers has very much the shape of a cluster of grapes, and the stalks upon which it is supported very much the stalk of the grape; a very few small leaves are scattered through the cluster of flowers.