dyebath, thoroughly rinse it and squeeze out excess moisture. Immerse the 

 wool; heat it to boiling, boil for 30 minutes. Without rinsing, transfer the 

 matei'ial into a boiling bath of potassium dichromate and acetic acid or 

 vinegar and boil for 10 minutes, rinse and dry. 



Tea Leaves, Black {Camellia sinensis or Thea sinensis) 



Tannin in tea leaves imparts brownish hues to woolens and cotton. 

 The colors are not fast on cotton. 



Rose-Tan Wool: alum mordant 

 Colorfastness : good 

 1 pound wool 

 8 ounces black tea 



Use alum mordant (see pages 67 to 68). Boil the tea in water for 15 

 minutes, strain out the leaves, 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 to boiling; boil for 30 minutes, rinse and dry. 



A darker rose tan can be obtained if the dyed material is transferred 

 from the dyebath directly into a boiling bath containing )i ounce of ferrous 

 sulfate (copperas) and 4 gallons of water. Boil for 10 minutes, rinse and dry. 



Light Brown Wool: chrome mordant 

 Colorfastness: good 

 1 pound wool 

 8 ounces black tea 



Use chrome mordant (see pages 67 to 68). Follow directions for dyeing 

 "Rose-Tan Wool" (above). 



Tulip Tree Leaves {Liriodendron tulipifera) 



Leaves of the tulip tree or so-called "yellow poplar" found in the eastern 

 half of the United States produce an attractive gold color on wool; however, 

 this dye is unsatisfactory on cotton. 



Gold Wool: chrome mordant 

 Colorfastness: fair to light, good to washing 

 1 pound wool 

 \y2 pecks shredded fresh tulip tree leaves 



Use chrome mordant (see pages 67 to 68). Cover the shredded leaves 

 with water and soak them overnight. The following morning heat them 

 to boiling; boil for 20 to 25 minutes, strain out leaves 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. Im- 

 merse the wool; heat to boiling; boil 20 to 30 minutes, rinse and dry. 



104 



