32 DISSERTATION ON THE 



The last three distillations were then exa- 

 mined. That obtained from the infusion of 

 the flowers formed a red colour with the 

 infusion of litmus : with the sulphate of iron 

 no effect was visible, nor with the acetate of 

 lead. I also tried a number of other tests, 

 without producing any particular alteration. 



EXPERIMENT XV. 



The product of the distillation from the in- 

 fusion of the leaves exhibited the same appear- 

 ances as in the last experiment, 



EXPERIMENT XVI. 



The product of the distillation from the in- 

 fusion of the root occasioned the same appear- 

 ances as in the two last experiments. 



EXPERIMENT XVII. 



After the distillation of the infusion of the 

 flowers, of that from the leaves, and also of 



