Yellow-Tan Wool: alum mordant 

 Colorfastness : fair to light, good to washing 

 1 pound wool 

 1 peck crushed dry lichens 



Use alum mordant (see pages 67 to 68). Cover the lichens with water 

 and soak them overnight. The following morning heat the water to boil- 

 ing, and boil for 1 hour. Strain out the lichens and add cold water to make 

 a dyebath of 4 to 4)^ gallons. Before immersing the wool, thoroughly rinse 

 it and squeeze out excess moisture. Immerse the wool; heat to boiling; 

 boil for 30 minutes, rinse and dry. 



Dark Rose-Tan Wool: alum mordant 

 Colorfastness : fair to light, good to washing 

 1 pound wool 

 1 peck crushed dry lichens 

 ^6 ounce potassium dichromate 

 }^ ounce acetic acid, or 6 to 7 tablespoons vinegar 



Use alum mordant (see pages 67 to 68), then follow directions for dyeing 

 "Yellow-Tan Wool" (above). Without rinsing, transfer the material 

 to a boiling bath of potassium dichromate and acetic acid or vinegar. 

 Stir and boil for 10 minutes, rinse and dry. 



Lichen 2 (Usnea sp.) 



These lichens, sometimes called "beard moss," are branched and hairy, 

 forming a shaggy yellowish coating on the barks of old trees. They are 

 distributed throughout the world. 



Buff Wool : alum mordant 

 Colorfastness: good 

 1 pound wool 

 1}^ to 2 pecks crushed dry lichens 



Use alum mordant (see pages 67 to 68). Cover the dry lichens with water 

 and soak overnight. The following morning boil this infusion for 1 hour 

 and strain out all vegetable matter. Add cold water to m^ake a dyebath of 

 4 to 4)^ gallons. Thoroughly rinse, squeeze out excess moisture and immerse 

 the wool in the bath. Heat to boiling; boil for 30 minutes, rinse and dry. 



Yellow-Tan Wool: chrome mordant 

 Colorfastness: good 

 1 pound wool 

 1^2 to 2 pecks crushed dry lichens 



Use chrome mordant (see pages 67 to 68) and follow directions for dyeing 

 "Buff Wool" (above). 



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