(77) 



But he that dcfires more inffances of this kinde and 

 muter, th At, according to this Doc/trine, may much 

 help the Theory of Colours, and particularly the 

 force both of Sulphurous and Volatile, as likewife of 

 Alk.ilizat and acid falts, and in what particulars Co- 

 lours likely depend not in their caufarion from any 

 fait at all, may beg his information from that Nob/c 

 perfon (in order to vvhofe command, for all his inti- 

 mations to me arc fuch I am now writing) who has 

 fome while fince honored me with the light of his 

 Papers concerning this fubje&> containing many ex- 

 cellent Experiments made by his Honor for the eluci- 

 dation of this Do&rine ; or otherwife, for the pre- 

 fent, may fee very good inftances hereof in Dr. Willis 

 his Treatife De Ferment , cap.i i. And truly, if Taftcs, 

 Colours, Smells, were not eafily alterable, it would 

 not be that we fhould from the feed of the ft me 

 Plant attain to fuch change and variety of Flowers 

 and Fruits as a:e mencioned above, nor of Flowers 

 from the fame off-fet. 



But if there be fuppofed in the world, and all 

 feveral Bodies, but one Element or material princi- 

 ple, from which by Natures undeicryed Wifdom, 

 in appointing it into feveral motions and changes of 

 fcituation, and giving different Meafures and Pigtr- 

 ratioasto its fmal left Particles, there arifeall the 

 varieties in the world, then there will be no difficul- 

 ty how the fame fort of matter llovild give fublbnre 

 "both to the Stock and Graff, though Plants of diffe- 

 rent nature, and bearing different Eoughs, Reaves, 

 Fruits, Seeds, each from other ; for if from any 

 blatter, any thing may be made without difference, 

 then particularly the wildeft flock may afford Ele- 

 ments fit to nouiilh the Boughs of any Plant, of 



how 



