YELLOW (1 lb.)
Mordant with alum. Dye with 1 oz. Flavin.
ORANGE WITH FLAVIN OR QUERCITRON (1 lb.)
Put into bath first 1/2 oz. Cream of Tartar. Then 3/4 oz. tin mixed with water (important to enter the Tartar first). Enter yarn and boil for 45 minutes. In the meantime have mixed up 1/2 oz. Flavin and 1/2 oz. to 3/4 oz. Cochineal (according to depth of orange required) with 1/4 oz. tin with a little warm water. Remove yarn, enter flavin, madder and tin, take off the boil, enter yarn and stir well. Boil 30 minutes.
BARBERRY
The roots and bark of Berberis Vulgaris is used principally for silk dyeing, without a mordant. The silk is worked at 50° to 60°C. in a solution of the dye wood slightly acidified with sulphuric, acetic or tartaric acid. For dark shades mordant with stannous chloride.
DYER'S BROOM
Genista Tinctoria. The plant grows on waste ground. It should be picked in June or July and dried. It can be used with an alum and tartar mordant and gives a good bright yellow. It is called greening weed and used to be much used for greening blue wool.
PRIVET
Ligustrum Vulgare. The leaves dye a good fast yellow with alum and tartar.