_Metallic gilt ornaments_ stand out quite as well, the ground is raised in tone, and the violet appears bluer or less red. 398. It is remarkable that gilt ornaments, compared with their painted imitations, heighten all the grounds upon which they are placed. We cannot say that this metal causes the grounds to lose their brilliancy, for orange gaining some red, by the juxtaposition of the gold, appears, nevertheless, more brilliant than the orange in juxtaposition with the painted ornaments. The gold, by its orange colour, gives also some blue, its complementary, to bodies which surround it. 2.—BORDER OF FOUR INCHES IN BREADTH PRESENTING ORNAMENTS COMPOSED OF FESTOONS OF BLUE FLOWERS, OF WHICH THE EXTREMITIES ARE HELD BY GREY LEAVES OF ARABESQUES. Plate 16. 399. These ornaments are opposed in some respects to the preceding by their dominant colour, which is blue. _Black Ground._ 400. Grey lowered three tones in comparison with grey; upon white less reddened. Blue flowers lowered two tones at least. _Red Ground._ 401. The grey is greenish, while upon white it is reddish. The blue flowers are lowered three tones, and the blue inclines to green. _Orange Ground._ 402. Grey much lowered; less red than upon white. Flowers paler, and of a blue less red or less violet, than upon a white ground. _Yellow Ground._ 403. Grey higher than upon white ground, more violet. Flowers of a more violet-blue, less green than upon a white ground. _Green Ground._ 404. The grey is reddish, while upon a white ground it appears greenish. The blue gains red or violet, but it loses much of its vivacity; it resembles some blues of the silk-vat, which, giving yellow to the water, become slaty-blue-violet. [Illustration: PLATE XVI.] _Blue Ground._ 405. The blue ground being fresher than that of the ornament, it follows that it gives _orange_ to the blue of the flowers; that is to say, it _greys_ them in the most disagreeable manner. The grey ornament is _oranged_, and lighter than upon the white ground. _Violet Ground._ 406. Grey lowered, yellowed, impoverished. Blue tends to green, and is impoverished. 3.—BORDER OF FIVE INCHES AND A HALF IN BREADTH, REPRESENTING ROSES WITH THEIR LEAVES. Plate 17. 407. This border is particularly useful as an example of the effect of two colours, red and green, which are very common in the vegetable world, and often represented upon paper-hangings. _Black Ground._