Use chrome mordant (see pages 67 to 68). Cover the flowers with water 

 and boil for 10 to 15 minutes. Strain out the flowers, then 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 for 20 minutes or until the desired 

 color is obtained, rinse and dry. 



Cotton Flowers {Gossypium sp.) 



The flowers of the cotton plant, one of our main sources of textile fibers, 

 also furnish a dye. 



Brass Wool: chrome mordant 

 Colorfastness : fair to light, good to washing 

 1 pound wool 

 II3 quarts dry cotton flowers 



Use chrome mordant (see pages 67 to 68). Cover the crushed dried 

 cotton flowers with water and boil them for 20 minutes. Strain out the 

 flowers, then add cold water to make a dyebath of 4 to 4)^ gallons. Before 

 immersing mordanted material in the dyebath, thoroughly rinse it and 

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

 boil for 30 minutes, rinse and dry. 



Yellow-Tan Wool: alum mordant 

 Colorfastness: good 

 or 

 Yellow-Tan Cotton: alum-tannin-alum mordant 

 Colorfastness: good 

 1 pound cotton or wool 

 I'j quarts dry crushed cotton flowers 

 y^ ounce potassium dichromate 

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



Use the following directions for dyeing both cotton and wool. Use alum 

 mordant on wool, and alum-tannin-alum on cotton (see pages 67 to 69). 

 Co\'er the crushed dry cotton flowers with water and allow them to soak 

 for 20 minutes. Strain out the flowers, then add cold water until the dye- 

 bath contains 4 to 4}^ gallons. Before immersing mordanted material in the 

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

 wool; heat to the boiling point; boil for 30 minutes. 



Without rinsing, transfer the material into a boiling bath of potassium 

 dichromate and acetic acid in 4 to 4)^ gallons of water. Continue to boil 

 for 10 minutes, rinse and dry. 



Yellow Cotton: alum-tannin-alum mordant 

 Colorfastness: fair 

 1 pound cotton 

 1'3 quarts dry cotton flowers 



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