. Cyclopedia of farm crops. Farm produce; Agriculture. Indigo {Indigofera Anil), fonnerly grown in the South, and still cultivated in India. Fig. 374. Madder (Rubia tinctorum). a and & and their op- posites are probably not true leaves but large leaf-like stipules: the leaves of K. tinctorum are opposite. Former source of the Turkey red dye. colored lakes are formed. Haematoxylin forms rose-red color with alum and a black violet lake with iron alum. Hsematein forms bluish violet with alkalies; reddish purple with sodium carbonate; reddish purple with ammonia; bluish violet lake with ammoni
. Cyclopedia of farm crops. Farm produce; Agriculture. Indigo {Indigofera Anil), fonnerly grown in the South, and still cultivated in India. Fig. 374. Madder (Rubia tinctorum). a and & and their op- posites are probably not true leaves but large leaf-like stipules: the leaves of K. tinctorum are opposite. Former source of the Turkey red dye. colored lakes are formed. Haematoxylin forms rose-red color with alum and a black violet lake with iron alum. Hsematein forms bluish violet with alkalies; reddish purple with sodium carbonate; reddish purple with ammonia; bluish violet lake with ammoniacal copper sulfate ; violet lake with ammoniacal tin chlorid ; black with ammoniacal iron alum. Logwood and fustic are the principal natural coloring matters not yet replaced by artificial products. They are not used so exclusively as hitherto. Their coloring principles have not yet been made synthetically, and their low price and good qualities keep them important. Lopez root: Toddalia aculeata. Contains ber- berin. Yellow. Lomatiol: Tricondylus ilicifolia, Tricondylus myricoides. Yellow. Madder : Rubia tinctorum. (Fig. 374). Natural source of alizarin dyes. Formerly considered the most important of all dye-stuffs used by calico- printers, and cultivated very extensively in Italy and France, but is now entirely displaced by arti- ficial alizarin. The plant is a native of Asia Minor. Color dyed with it is the well-known Turkey red. Mang-koudur, or oungkoudon, song-kou-long, jong koutong : Morinda umbellata. Lakes, yellow to red. Marsh marigold : Caltha palustris. Yellow. Mountain wormwood, or Genepi des alpes : Artemisia Absinthium. Yellowish. Munjeet : Rubia cordifolia. Similar to madder. Myrtle berry: Myrtus communis. Bluish red. Nettle : Urtica sp. Nicaragua wood: Guilandina echinata. Boughs or twigs used. See Redwoods. Onion : Allium Cepa. Alumina lake, yellow-brown. Oregon grape root: Berberis Aquifolium. Yellow basic dye. Panama crimson : Vine called " ;
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