Dark Rose-Tan Wool: alum mordant 

 Colorfastness : good 

 1 pound wool 



1}'2 to 2 pecks crushed dry lichens 

 5-6 ounce potassiuna dichromate 

 }/s ounce acetic acid, or 6 to 7 tablespoons vinegar 



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

 "Buff Wool" (above). Without rinsing, transfer the wool to a boiling bath 

 of potassium dichromate and acetic acid or vinegar in 4 gallons of water 

 and boil for 10 minutes, rinse and dry. 



Lily-of-the-Valley Leaves {Convallaria majalis) 



Greenish- Yellow Wool: chrome mordant 

 Colorfastness: fair to light, good to washing 

 1 pound wool 

 \y2 pecks shredded fresh, young lily-of-the-valley leaves 



Use chrome mordant (see pages 67 to 68). Soak the leaves in water 

 overnight. The next morning heat to boiling, boil for 1 hour, strain and add 

 cold water to make a dyebath of 4 to 4)4 gallons. Before immersing mor- 

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

 moisture. Immerse the wool; heat to boiling; boil for 45 minutes, rinse 

 and dry. 



Gold Wool: chrome mordant 

 Colorfastness: fair to light, good to washing 



Follow the directions for dyeing "Greenish- Yellow Wool" (above), but 

 use lily-of-the-valley leaves picked in the late summer or fall. 



Logwood {Haematoxylon campechianum) 



Logwood, formerly one of the most extensively used natural dyestuffs, 

 is obtained from a tree that grows in Cuba, Jamaica, and Central America. 

 It can be purchased from dye supply houses either as wood chips or as 

 an extract, in liquid or solid form. With various mordants it gives a wide 

 range of colors, but their fastness to light is generally rather poor. 



Black Wool: special sumach mordant 

 Colorfastness: good 

 1 pound wool 

 9 ounces logwood chips 

 }^ ounce fustic extract 



\Y2 pecks chopped sumach leaves and twigs 

 1 ounce sodium carbonate (washing soda) 

 ^4 ounce ferrous sulfate (copperas) 

 Yz ounce potassium dichromate 



94 



