13 



Ruta graveolens, Robinia pseudacacia, Rhodosphaera rhodanthema, Rumex obtusifolius, 

 Arctostaphylos uvaursi, Polygonum cuspidatum (in China Kan-yen or Wu-tzu), yellow; 

 Aristotelia maqui, red; Evodia meliaefolia, yellow. 



III. Organic Lakes. 

 YELLOW. 



Alum lakes from various species of buckthorn {Rhamnus), Dutch pink being that 

 from Persian berries and commercial Dutch pink that from mixtures of yellow ber- 

 ries, quercitron, and turmeric. Alum lake from Dyer's weld (Reseda luteola). Alum 

 lake of gamboge crude or "prepared" (freed from impurities), alum lakes of quer- 

 citron, young and old fustic, barberry, annatto, turmeric, saffron, safflower, purree 

 or Indian yellow, and Gardenia grandiflora. Quercitron alone is seldom used. 



RED. 



Ammonia compound of cochineal (carmine). Ammonia and alum lake of cochi- 

 neal- (Munich, Vienna, Paris, or Florentine lake). Soda compound of safflower 

 (saffron carmine). Alum lakes of Lac, and Chica, Brazil, Bahia, St. Martha's, 

 Lima, Sapan, and sandalwoods and alizarin. 



BLUE. 



Alum lake of indigo sulphonic acid (new blue, indigo extract, etc.). 



GREEN. 



Alum lakes of chlorophyll, unripe Persian berries (sap-green, "bladder green"), 

 lokao, and lime compounds of buckthorn (Charvin's green). 



VIOLET. 



Lime compounds of lokao and archil (French purple). Alum lakes of alkanet 

 and logwood. 



IV. Mineral Pigments. 



YELLOW, 



Active ingredients. 



Chrome yellow Pb. Cr. 



Cassel yellow 



Mineral yellow }>Pb. Cr. 



Veronese yellow 



Montpelier yellow Pb. Cr. 



Turner's yellow 



English yellow 



). Cr. 



Naples yellow Pb. Cr. 



Antimony yellow Pb. Sb. Bi. 



Calcium chrome yellow . Cr. Ca. 



Active ingredients. 



Zinc chrome yellow Zn. Cr. 



Cadmium chrome yellow . Cd. Cr. 



Cadmium yellow Cd. S. 



Mars yellow Fe. Ca. Al. 



Siderin yellow Fe. Cr. 



Aureolin yellow Co. 



Turpeth mineral yellow . Hg. 



Realger yellow As. 



Orpiment yellow 



King's yellow 



Mosaic gold Sn. 



JAs. 



Barium yellow i 



Yellow ultramarine iCr. Ba. 



Permanent yellow J 



Bersch, Manufacture of Minerat*and Lake Pigments, 1901; also consult, in this 

 connection, an official list of prohibited colors in Braunschweig, Zeit. offent. Chem., 

 1898, p. 453, and Vereinbarungen . . . Nahrungs-und Genussmitteln fur das Deutsche 

 Reich, Berlin, 1897. 



b Bracketed colors are synonyms. 



