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Recipes For Dyeing With Lichens

To dye Brown with Crotal. For 6-1/4 lbs. (100 ozs.) of wool. Dye
baths may be used of varying strengths of from 10 to 50 ozs. of
Crotal. Raise the bath to the boil, and boil for an hour. A light tan
shade is got by first dipping the wool in a strong solution of Crotal,
a darker shade by boiling for half-an-hour, and a dark brown by
boiling for two hours or so. It is better, however, to get the shade
by altering the quantity of Crotal used. The addition of sufficient
oil of vitriol or acetic acid to make the bath slightly acid will be
an improvement (a very small quantity should be used).

To dye red with Crotal. Gather the lichen off the rocks--it is best
in winter. Put layers of lichen and wool alternately in a pot, fill up
with water and boil until you get the desired tint. Too much crotal
will make the wool a dark red brown, but a very pretty terra cotta red
can be got. No mordant is required.

To dye Pink from a bright yellow Lichen (Parmelia parietina).
Mordant the wool with 3% of Bichromate of Potash, then boil with the
lichen for 1 hour or more.

To dye Brown from Crotal. Boil the wool with an equal quantity of
lichen for 1 or 1-1/2 hours. No mordant is required.

To dye red purple from Cudbear and Logwood. Dye with equal
quantities of Cudbear and Logwood, the wool having been mordanted with
chrome. A lighter colour is got by dyeing with 8 lbs. cudbear, 1/2 lb.
logwood (for 30 lbs. wool).

To dye Yellow on Linen with the Lichen Peltigera canina (a large
flat lichen growing on rocks in woods). Mordant with alum (1/4 lb. to
a lb. of linen) boil for 2 hours. Then boil up with sufficient
quantity of the lichen till the desired colour is got.

Next: List Of Lichens Used By The Peasantry Of Different Countries For Wool Dyeing

Previous: The Lichen Dyes

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