60 
ss MEMOIR 
ON THE 
DIFFERENT SPECIES OF QUINQUINA. 
eee "PY Mo LAUBERT, 
CHIEF PHYSICIAN TO THE SPANISH ARMY. 
, MOTANISTS recognise about twenty Barks of the genus Cin- 
chona, but the number of those which are current in commerce 
is much more considerable. be maveecice | Do 
. They are vended singly, or mixed with each other, under the 
names of Cascarilla de Loxa,* Calisaya, Red Cascarilla, and 
Huanuco_ = 
CASCARILLA DE LOXA. 
Under this name are included all the most esteemed and se- 
lect Quinquinas of the: province of Loxa. Five species of it 
_ * The word Quinquina is not used in Peru, and is rarely employed in Spain among traders ; 
they adopt the term Casearilla, and those who gather the barks are called Cascarilleras. The 
Croton chacarilla of Linneus is known in Peru by the name of Chacarilla, It appears that 
the term Quinquina, as M. de Condamine has observed, has been taken from the febrifuge 
employed before the discovery of this bark, particularly by the Jesuits; it was the Myroxy- 
lon peruiferum, called in Peru Quinoquinos and Quinoquina, This conjecture is the more pro- 
bable, because the Quinquina at first was known also by the name of Jesuit’s Powder, and the 
genus Myroxylon peruife rum has not been well determined and described until the pre- 
sent day. . 
We may just observe that M. Ruiz thinks the Myrospermum and the Toluifera ought to 
be comprehended under the generic term Myroxylon, 
