
Led. VI 

A 
DISCOURSE 
ae CAUSES 
AAS 2S 
PEAN YS 
Read before the Royal Society, March 25. 1675. 

5 ey ala ed b 
Of the feveral Sorts of SIMPLE and COMPOUN- 
DED Tatts; and thee DEGREES of both. 
= ing Tats. Since then, I have made other Oberva- g- 
4 tions upon the fame Subject: and thefe have pro- 9 
© ing an account, Firlt, of the Diverfities; and then, 
: of the Caufés of Ta/ts, chiefly in Plants. 

it is prepofterous to difcourfe of the Caujes of Tafts, before we have 
taken an account of their Diverfities 5 Whereof therefore I fhall in the 
firft place, exhibit the following Scheme. ; 
3+ $. 
279 
H AV E formerly publithed fome Notes, concern- 7), 
» $229. 
Anat. 
duced further Thoughts. 1 will fumm up all in give- Se 





















































