A great trade is carried on with it at Sta. Fe, where it is brought from the Rio de la Plata. There are two sorts, one called "Yerba de Palos," the other, which is finer, "Yerba de Carnini." Frezier tells us that, in the earlier part of the 17th century, above 50,000 arrobas, or more than 12,000 cwt. of this herb were brought into Peru from Paraguay, exclusive of about 25,000 arrobas taken to Chile; and Father Charleroix, in his "History of Paraguay," states the quantity shipped to Peru annually at 100,000 arrobas, or nearly 2,500,000 lbs.
My friend, Mr. W.P. Robertson, has favored me with some details as to the production of Paraguay tea. His brother has graphically described a visit he paid to the wastes or woods of the Yerba tree, with a colony of manufacturers from Assumption. These woods were situated chiefly in the country adjacent to a small miserable town called Villa Real, about 150 miles higher up the river Paraguay than Assumption. The master manufacturer, with about forty or fifty hired peons or servants, mounted on mules, and a hundred bulls and sumpter mules, set out on their expedition, and having discovered in the dense wood a suitable locality, forthwith a settlement is established, and the necessary wigwams for dwellings, &c., run up. The next step is the construction of the "tatacua." This was a small space of ground, about six feet square, of which the soil was beaten down with heavy mallets, till it became a hard and consistent foundation. At the four corners of this space, and at right angles, were driven in four very strong stakes, while upon the surface of it were laid large logs of wood. This was the place at which the leaves and small sprigs of the yerba tree, when brought from the woods, were first scorched—fire being set to the logs of wood within it. By the side of the tatacua was spread an ample square net of hidework, of which, after the scorched leaves were laid upon it, a peon gathered up the four corners and proceeded with his burthen on his shoulders to the second place constructed, the barbacue. This was an arch of considerable span, and of which the support consisted of three strong trestles. The centre trestle formed the highest part of the arch. Over this superstructure were laid cross-bars strongly railed to stakes on either side of the central supports, and so formed the roof of the arch. The leaves being separated after the tatacua process, from the grosser boughs of the yerba tree, were laid on this roof, under which a large fire was kindled. Of this fire the flames ascended, and still further scorched the leaves of the yerba. The two peons beneath the arch, with long poles, took care, as far as they could, that no ignition should take place; and in order to extinguish this, when it did occur, another peon was stationed at the top of the arch. Along both sides of this there were two deal planks, and, with a long stick in his hand, the peon ran along these planks, and instantly extinguished any incipient sparks of fire that appeared.
When the yerba was thoroughly scorched, the fire was swept from the barbacue or arch; the ground was then swept, and pounded with heavy mallets, into the hardest and smoothest substance. The scorched leaves and very small twigs were then thrown down from the roof of the arch, and, by means of a rude wooden mill, ground to powder.
The yerba or tea was now ready for use; and being conveyed to a larger shed, previously erected for the purpose, was then received, weighed, and stored by the overseer. The next and last process, and the most laborious of all, was that of packing the tea. This was done by first sewing together, in a square form, the half of a bull's hide, which being still damp, was fastened by two of its corners to two strong trestles, driven far into the ground. The packer then, with an enormous stick, made of the heaviest wood, and having a huge block at one end, and a pyramidal piece to give it a greater impulse at the other, pressed, by repeated efforts, the yerba into the hide sack, till he got it full to the brim. It then contained from 200 to 250 pounds, and being sewed up, and left to tighten over the contents as the hide dried, it formed at the end of a couple of days, by exposure to the sun, a substance as hard as stone, and almost as weighty and impervious too.
Having described the process of making ready the yerba for use, we will now accompany Mr. Robertson to the woods, to see how it is collected.
"After all the preparations which I have detailed were completed (and it required only three days to finish them), the peons sallied forth from the yerba colony by couples. I accompanied two of the stoutest and best of them. They had with them no other weapon than a small axe; no other clothing than a girdle round their waist and a red cap on their head; no other provision than a cigar, and a cow's horn filled with water; and they were animated by no other hope or desire, that I could perceive, than those of soon discovering a part of the wood thickly studded with the yerba tree. They also desired to find it as near as possible to the colonial encampment, in order that the labor of carrying the rough branches to the scene of operations might be as much as possible diminished.
We had scarcely skirted for a quarter of a mile the woods which shut in the valley where we were bivouacked, when we came upon numerous clumps of the yerba tree. It was of all sizes, from that of the shrub to that of the full-grown orange tree; the leaves of it were very like those of that beautiful production. The smaller the plant, the better is the tea which is taken from it considered to be.
To work with their hatchets went the peons, and in less than a couple of hours they had gathered a mountain of branches, and piled them up in the form of a haystack. Both of them then filled their large ponchos with the coveted article of commerce in its raw state, and they marched off with their respective loads. Having deposited this first load within the precincts of the colony, the peons returned for a second, and so on till they had cleared away the whole mass of branches and of leaves cut and collected during that day. When I returned to the colony I found the peons coming by two and two, from every part of the valley, all laden in the same way. There were twenty tatacuas, twenty barbacues, and twenty pies of the yerba cut and ready for manufacture. Two days after that the whole colony was in a blaze, tatacuas and barbacues were enveloped in smoke; on the third day all was stowed away in the shed; and on the fourth the peons again went out to procure more of the boughs and leaves."—(Letters on Paraguay, vol. ii. p. 142-147).
Each peon or laborer, going into the woods for six months, can procure eight arrobas, or 200 lbs. of yerba a day. This, at the rate of two rials, or 1s. for each arroba, would make his wages per day 8s.; and this for six months' work, at six days in the week, would produce to the laborer a sum of £57 12s.
Wilcockes, in his "History of Buenos Ayres," published in 1807, states:—"Though the herb is principally bought by the merchants of Buenos Ayres, it is not to that place that it is carried, no more being sent thither than is wanted for the consumption of its inhabitants and those of the vicinity; but the greatest part is dispatched to Santa Fe and Cordova, thence to be forwarded to Potosi and Mendoza. The quantity exported to Peru is estimated at 100,000 arrobas, and to Chile 40,000. The remainder is consumed in Paraguay, Tucuman, and the other provinces. It is conveyed in parcels of six or seven arrobas, by waggons, from Santa Fe to Jugui, and thence by mules to Potosi, La Paz, and into Peru proper. About four piastres per arroba is the price in Paraguay, and at Potosi it fetches from eight to nine, and more in proportion as it is carried further."