Cinchona bark of Loxa, the new Peravian. Cinchona barks, na- 
turally gained easier access into Spain than those from Santa 
Fe. The latter, on the contrary,. which, the English and North 
- Americans could easily procure in-Carthagena, as a port more 
accessible to the smuggling trade, obtained a preferable fame © 
in London, Germany, and Italy... The effect. of mercantile 
cunning went so far, that, at the reyal command, a quantity of 
the best. orange-coloured Cinchona bark from New. Granada, 
which M. Mutis had caused to be peeled at the expense of the 
king, was burned, as a decidedly ineflicacious remedy, at a 
time when all the Spanish field-hospitals were in the greatest 
want of this valuable product of South America. A part of the 
Cinchona: bark condemned to destruction was secretly bought by 
English merchants in Cadiz, and publicly sold in London. at 
high prices. Since M. Zea, the present director of the botanic gar- 
den at Madrid, has maintained, in the 4nnales de Ciencias Natu-— 
rales, against the editors of the Flora Peruviana, that their Pe- 
ruvian species of Cinchona are identical with those of M. Mutis,. 
Wut that they have described one and the same species under 
two or three names, the dispute concerning the quality of 
‘Cinchona bark from Santa Fe has again become very animated, 
The Supplement of the Quinologia, by Ruiz and Pavon, is writ-- 
ten with a bitterness which ought always to remain foreign to the 
_ealm course of scientific inquiries. pee ge 
- Before we proceed from the history of the discovery of th > Cin- 
chona to its ceographical diffusion, and their remaining phy- 
sical relations, we must cast a glance upon the specific diffe-- 
rences of the several kinds of Cinchona. A properly complete 
botanical disquisition is foreign to the purpose of this Treatise.. 
M. Bonpland and myself will attempt it.on another occasion;. 
K. 
