99 
cious and genuine Calaguala,: which casually though rarely 
reaches Spain ; and if it comes to the hands of druggists and 
dealers, they unjustly decry it, preferring the roots of a plant of 
a distinct genus,tand of no virtue, as equivalent to the eaegwla: 
of = proof will be adduced in the proper ‘wes 
_ ARTICLE: T. 
Of the Calagualas commonly brought to Europe from South 
America, the origin oft their use, and the ety ymolog’ y of their 
_ names. 
“Little diontace can me tk from ‘the iifewledre and di- 
stinction of plants, or of any other petural eri if we 
neglect the study of their uses and virtues. Ne "can any great 
benefits arise from the knowledge of the uses and virtues of 
plants and other productions, without previously obtaining a 
clear and distinct idea of the plants themselves: hence, the ob- 
_ server who would acquire results adequate to his labours and 
researches, must indispensably unite to the knowledge and dis- 
crimination of natural substances, the investigation of their uses, 
virtues, and properties. . 
The ancients discovered and were aware of the virtues, uses, 
and properties of many vegetables. and other natural _produc- 
tions, as appears from their writings ; but the little care they took 
m transmitting to posterity a clear and distinct knowledge of 
the various species, has occasioned the confusion, obscurity, and 
doubts, which beset us respecting: the objects on megch they 
created, fe 
