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dieie are known to be the moll le- 

 thiferous poifons, and many of the 

 others fenfibly difcover very uncom- 

 mon properties, and might undoubt- 

 edly be converted into the moft falu- 

 tary medicines. 



I have fpent many days in a dan- 

 gerous and almoft fruitlefs endeavour 

 to inveiligate the nature and qualities 

 of thefe plants ; and, by handling, fmel- 

 ling, tafting, &c. I have frequently 

 found, at different times, almoft all 

 the feveral fenfes, and their organs 

 either difordered or violently affefted, 

 without being able to determine to 

 which of the many fubjefts of my ex- 

 amination, I ought to attribute thefe 

 uncommon effe&s. " Multa venientis 

 " sevi populus ignota nobis fciet. Mul- 

 " la feculis, tunc, cum memoria noftri 

 * exolverit, refervantur." Seneca. 



In 



4 



