Dye Plants - Old Fustic aka Dyer's Mulberry

old fustic, dyer's mulberry, Maclura tinctoria

Old fustic, also called dyer's mulberry, was one of the most important yellow dyes in Europe from the 16th century to the early 20th century. 

It has a curious history. 

First, old fustic is a plant from the Americas, discovered after 1492 in the forests of tropical America.