G. Galleries of the Fine Arts, on the interior decoration of, 150. Gardening, applications of colour to, 179 _et seq._ (See HORTICULTURE.) Glass, Coloured, in Gothic church windows, 113 _et seq._, 147; beautiful effects of, 116; employment of, 117; corresponding to paintings in chiaro-’scuro, 219, 223; in flat tints, 224, 225. Gloss of wool and silk, its influence in the effect of contrast of two colours, 213. Gobelins, lectures at the, 80; tapestries of the, 102, 104; qualities which they must possess, 111; difference of, from the Beauvais, 113. Gothic architecture, employment of colours in, 141. Greek architecture, employment of colouring in, 139. Greek painters, 94. Green, complementary to red, 15, 17, 18, 20; to violet, 44. Green and black, effects of juxtaposition of, 20. Green and blue, change by juxtaposition, 27; assortments of with white, 53; with black, 58; with grey, 62. Green and grey, effects of juxtaposition of, 22. Green and violet, change by juxtaposition, 26; assortments of with white, 53; with black, 58. Green and white, effects of their juxtaposition, 18. Green and yellow, change by juxtaposition, 27. Green draperies, 170. Green light, modifications produced by, 71. Greenish yellow, complementary to violet, 3, 16, 17, 21. Greenish yellow and black, effects of juxtaposition of, 20. Greenish yellow and white, effects of their juxtaposition, 18. Grey, juxtaposition of coloured bodies with, 21; assortments of different colours with, 58, 63 _et seq._; its association with luminous and sombre colours, 65, 66. Grounds, black, of paper-hangings, 125; various coloured ones, 126-135. Grove, definition of a, 187.