[ 43 ] 



compact, and of a darker colour : it it very brittle and re- 

 linous. The innerrooil layer is more wood)' and fibrous 

 aiulof a brighter red. In powdering this Bark, the mid- 

 dle hycr. which fecms to contain the grcitcit proportion 

 of rcfinous matter, docs not break fo readily as the reil ; a 

 . (rcumftlDDB to be attended to, left the mort active part 

 ihuuld be left out of the fine powder. 'Urn red Bark to 

 the talk- diii oven all the |rairiiar flavour of the Peruvian 

 Bark, hut much ftrongcr than the common officinal fort. 

 An infufion in cold Wat* is iiucnfcly hitter, more fo than 

 Ihcftroiigcildecoaion of common Bark. Iisalliiiigcncy 

 is in an equal degree greater than thai of the infufion of 

 coaunor] Rnh,.» b 0*wa by the addition of manial ft- 

 trioL The fjiiiituou^itnctiireofthered Bark. i» olfo pro- 

 port ionalily iironger than that of the pale. Thenuanti- 

 ty of matter extracted by rectified fpirit from the powder 

 of the former was to that from the latter as 3 to a in one 

 experiment, and as 219 10 130 in another; and yet on in- 

 fuling the two rcliduums of the (hit experiment in toiling 

 water, that of the nd Hark gave a liquor confidcniblv bit- 

 ter, and which llruck a black with martial vitriol ; while 

 that yielded by the other, was neatly laitelcf* and void of 

 ■ftringencyV 



Kefpcciing the medicinal propci n. are bstt fn.:..: 

 refpcciablc authorities, (hewing, that as the red Bark pof- 

 fcflcs the tunc virtue* with the common, in a much Inciter 



