Personal Narrative Of Travels To The Equinoctial Regions Of America During The Years 1799-1804 - Volume 2 - By Alexander Von Humboldt And Aime Bonpland.
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This Poison Is Employed
Partly By The Ticunas, Who Remain Independent On The Spanish Territory
Near The Sources Of The Yacarique; And Partly By Indians Of The Same
Tribe, Inhabiting The Portuguese Mission Of Loreto.
The poisons we
have just named differ totally from that of La Peca, and from the
poison of Lamas and of Moyobamba.
I enter into these details because
the vestiges of plants which we were able to examine, proved to us
(contrary to the common opinion) that the three poisons of the
Ticunas, of La Peca, and of Moyobamba are not obtained from the same
species, probably not even from congeneric plants. In proportion as
the preparation of the curare is simple, that of the poison of
Moyobamba is a long and complicated process. With the juice of the
bejuco de ambihuasca, which is the principal ingredient, are mixed
pimento, tobacco, barbasco (Jacquinia armillaris), sanango (Tabernae
montana), and the milk of some other apocyneae. The fresh juice of the
ambihuasca has a deleterious action when in contact with the blood;
the juice of the mavacure is a mortal poison only when it is
concentrated by fire; and ebullition deprives the juice of the root of
Jatropha manihot (the manioc) of all its baneful qualities. In rubbing
a long time between my fingers the liana which yields the potent
poison of La Peca, when the weather was excessively hot, my hands were
benumbed; and a person who was employed with me felt the same effects
from this rapid absorption by the uninjured integuments.
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