b 290..5 
PART tue SECOND, 
Containing a feries of experiments 
made with leaves, flowers, fruits, 
~ftalks,and roots of different plants, 
on purpofe to examine the na- 
ture of the air they yield of 
themfelves, and to trace their 
efects upon a air in ae 
SEUOTITONe I, © 
® 
Sigs se | _tnir oducrion. 
oa BFORE I proceed to give an 
account of the various experi= 
ments I made duriag’ the courie « of 
a ae 1 & x. 2 this 
