
Lea, Ve a 

A 
DISCOURSE 
COLOURS 
PLANTS 
Read before the Royal Society, Day 3. 1677. 

CHAP. E 
Of the COLOURS of Plants ix their Natural 
Eftate. 
® AVING formerly made fome Objervations Ope fon: 
the Colours of Plants ; 1 fhall now crave leave to aq” pa i 
XS add fome more to them of thelike Nature. None o¢ zp. 5 
AS of which, nor any of the Conclufions thence dedu- ¢. ¢ = has 
ced, will, if duly confidered, appear contrary to Se a 
the Hypothefis and Experiments of Mr. Boyle, Mr. 
IY & Des Cartes, Mr. Hook, Mr. Newton, or any other, 
concerning Colours. As not having refpect to 
the Colours of all Bodies in general. Nor to the Body of Colour, 
which is Light ; Norto the formal notion of Colours (: ad extra) as the 
Rays of Light are moved or mixed: But tothofe Materials; which are 
principally neceflary to their Produition in Plants. Concerning which, 
the prefent Diconr/e thall be reduced to thefe Three general Heads, 
a. gs 
fil 














































