[ *30 ] 
The indigo which remains undiflblved in making- 
Saxon blue, and colledled by filtration, if digefted 
with fpirit of nitre, dyes filk and wool of all fhades 
of brown inclining to a yellow. 
Cloth and filk may be dyed green with indigo 
but they muft firft be boiled in the yellow dye,, 
and then in the blue. 
XV. Account 
