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,l 1 Dn 1 shall add an Observation, whichpj u §b it docs not strictly belong to this„ ate 5 may well enough be mention’d here,L^ly, that lfind by an account given usJ "E Learned (lufius , of stlaterhus, thatthe Grosser Parts of the fame Plant,5| e loine of them one Colour, and somejother; For speaking of that Plant, liefy S t>s, that the. Portugalls use the Bark totheir Nets into a Red Colour, andU^i .the C hips of the Wood, which arehitifh, they Dye a Blackish Blew.

experiment XXX.

n Among the Experiments that tend to^ that the change of Colours in Bo*t 5‘ s may proceed from the Vary’d TextureJ ffeir Parts, and the consequent changei their Disposition co Reflect or RefractLight, that fort of Experiments muss.°t he left unmention’d, which is afforded^.hyChymical Digestions. For, if cbymiflsbelieve several famous Writers abouthat they call the Philosophers Stone, theypst acknowledge that the fame Matter,up Hermetically in a Philosophical^§5 will by the continuance of Digestion,J ss they will have it so ( for it is notserial in our cafe which of the two it be )T of