ili 
very different species are met with, either singly or mixed with 
each other, and among them two or three as slender’as the ge- 
nuine, frem which they are easily distinguishable by their means 
taste. — . r 
Probably from these aides and frem the very nkie sup- 
ply of the genuine Calaguala in Spain, has resulted its discredit 
with almost all the Faculty ; many of whom have made experi- 
ments with it, hoping to produce the same effects and virtues which 
are daily observed in Peru: but as they have proceeded without 
considermg or being aware of the mixtures, and without. due. 
knowledge and discrimination of the genuine Calaguala, they 
have unjustly taken up their pens: to decry it ; and perhaps for 
the same reasons the Yi is excluded the ta 
medica of Linnzeus and feana that of Bergius. It always hap= 
pens that effects follow causes: . the ~ Cabpapales: at . present im. 
general. use ‘are, as already explained, species’ - different and 
distinct from the genuine Calaguala employed % in ‘Peru; hence 
it is not surprising that their effects are widely different. 
Various dissertations have been lately written ine Italy. det. 
and against the Calaguala.* ‘This difference cannot have other- 
wise arisen than from their experiments being made on roots. 
of distinct. species. From scarcely any of the apothecaries, and, 
from none of the druggists of Madrid, have I been able to ob- 
tain a single root of the genuine Calaguale;, which is generally, 
unknown to the Faculty; | ud thus, if any « ne had recourse to 
the Colecyalan sold aoe ate a oe Sal sp cca ne i ves ans f 
* ‘De Gelmetti,, a sega jedan of Gistox, "oie various new experiments which fasta 
made and published, recommends the use of the Calaguala for various disorders. Dr. Bassiano 
Carminati published at Pavia, in 1791, a tract against the Calaguala, entitled, “ Some Re- 
searches on the Principles and Virtue of the wuss of Calaguala,” 
