More on dying with lichens

Here is what Carol said about using the lichen for dying.."The lichens (after collecting) have to be digested for several months in a vinegar solution; then the wool is boiled in the dye solution until the desired depth of color is reached." I think she called it Rock Tripe and here is a picture from her blog. For more details on the preparations, go to http://amcraftsvt.blogspot.com/