and add cold water to make a dyebath of 4 to 4}^ gallons. Before immersing 

 mordanted wool in the dyebath, thoroughly rinse it and squeeze out excess 

 moisture. Immerse the wool; heat it to boiling; boil for 30 minutes, rinse 

 and dry. 



Gray Wool: no mordant before dyeing 

 Colorfastness : good to light, fair to washing 

 1 pound wool 

 }i peck ripe sumach berries 

 y^ ounce ferrous sulfate (copperas) 



Follow directions for dyeing "Dark Yellow-Tan Wool" (above), omitting 

 the mordant. Without rinsing, transfer the material into a boiling bath 

 of ferrous sulfate and 4 gallons of water. Stir and boil for 10 minutes, 

 rinse and dry. 



Dark Gray Cotton: no mordant before dyeing 

 Colorfastness: fair 

 1 pound cotton 

 }i peck ripe sumach berries 

 }'^ ounce ferrous sulfate (copperas) 



Follow directions for dyeing "Dark Yellow-Tan Wool" (above), omitting 

 the mordant. Without rinsing, transfer the material into a boiling bath of 

 ferrous sulfate and 4 gallons of water. Stir while boiling for 10 minutes, 

 rinse and dry. 



Light Tan Cotton: alum mordant 

 Colorfastness: fair 

 1 pound cotton 

 Yz peck ripe sumach berries 



Follow directions for dyeing "Dark Yellow-Tan Wool" (above). If a 

 deeper color is desired, add more sumach. 



Sunflowers {Helianthus annuus) 



Flowers. of the common sunflower plant produce a yellow dye extract 

 that will become more yellow when treated with an alkaline solution. 



Gold Wool : alum mordant 

 Colorfastness: good 

 1 pound wool 



ly^ quarts dry sunflower flowers 

 y^, ounce potassium dichromate 

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



Use alum mordant (see pages 67 to 68). Boil the dry crushed flowers in 

 water for 25 minutes, strain out the flowers and add cold water to make a 

 dyebath of 4 to 4}^ gallons. Before immersing mordanted wool in the 



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