they found their opinion particularly on the preference which : 
they have always held in the royal pharmacy, and on the tradi- 
tion of the inhabitants of that kingdom, where the febrifuge 
quality of the Quinquina was first proved.* 
This is not the opinion of M. Zea and the botanists “a the ex- 
| pedition to Santa Fe.t They regard the C. lancifolia of Mutis 
as the most ancient, and designate it by the epithet of primitive ; 
according to them, ' this Quinquina should also seem, ihe most 
efficacious in intermittent foverss: 
ee: es 
oo ee ae 
eee 
I. CASCARILLA AMARILLA (vELLOW). 
Tus Quinquina, known also in Peru by the name of Cas-. 
carilla de Loxa, is the genuine Cinchona of Ruiz.t The tree 
‘to which it belongs grows in the provinces of Loxa, Cuenga, Jaen. 
de Bracamonoa, and others: Sp | 
_ bers of the etpedition pene America, M. “Tafalta: was intrasted by them with the continuance- 
of their botanical labours and researches. This gentleman, aided by M- Menzanilla, has en-- 
ached hétany * ee several interesting discoveries, and has greatly sugmented the family of the- 
Quinquinas, | 
* Jeti oak ‘eens generic term: was taken by Linnzus ftom the title of the vice-- 
roy of Peru, Don Geronimo Fernandez de Cabrera Count Chinchon. The Viceroy ordered proof. 
to be made of the febrifuge qualities of the Quinquina before he. ee! it to his lady, 
and greatly contributed to make its efficacy known., 
+ Don Joseph Celestino Mutis went to New Granada in 1760; and in 1780 he was ap-- 
pointed director of the botanic expedition of Santa Fe, which commenced its labours in 17843. 
his associates were Messrs. Valenzuela, Laudat; and Cambler. To these botanists we owe 
a valuable collection of materials. M, Mutis published in the periodical journals of Santa Fe his. 
medical observations on the four Quinquinas, designated by him under the terms orange-colour- 
ed, red, yellow, and white, and which he says he discovered. It is Known that M. Lopez Ruiz 
disputes with him the discovery of the two former. 
_ = M. Ruiz thinks that Linneus should have employed the word Chinchona: instead of ce 
chona, which does not denote the real title of the Viceroy of Peru, 
§ The Quinguina de Lora used in the royal pharmacy was procured latterly from the moun- 
tains of Urituzinga, Guatizinga, and Caxanuma ; practitioners having found by experience that 
