Turmeric, orchil, catechu, and indigo carmine are all extremely fugitive.    From Wordnik.com.  [Scientific American Supplement, No. 810, July 11, 1891] Reference

The first group embraces logwood, orchil, alkanet, and aniline violets, including under the latter term.    From Wordnik.com.  [Scientific American Supplement, No. 363, December 16, 1882] Reference

Cochineal is turned by the potassa to a violet-red, orchil to a violet-blue, and alkanet to a decided blue.    From Wordnik.com.  [Scientific American Supplement, No. 363, December 16, 1882] Reference

Logwood violet is browned; that of orchil, if slightly reddish, is turned to a blue-violet; that of alkanet is modified to a fine blue.    From Wordnik.com.  [Scientific American Supplement, No. 363, December 16, 1882] Reference

The coloring parts of resinous (resin-like) dyestuffs are extracted from substances that are insoluble in water, for example annatto, indigo, carthamus, and orchil.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

In 1758, Cuthbert Gordon received a British patent for a substance he called cudbear, the result of a new processing method he developed for the traditional dyestuff orchil.    From Wordnik.com.  [The Creation of Color in Eighteenth-Century Europe] Reference

I found no less than three yielded beautiful purple-red colors, apparently as fine as orchil or cudbear, while the others furnished rich and dark tints of brownish-red, brown and olive-green.    From Wordnik.com.  [The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c.] Reference

Withering asserts it yields a purple dye, paler, but more permanent, than orchil; which is prepared in Iceland by steeping in stale lye, adding a little salt and making it up into balls with lime.    From Wordnik.com.  [Vegetable Dyes Being a Book of Recipes and Other Information Useful to the Dyer] Reference

Specimens of varieties of the lichens used in the manufacture of cudbear, orchil and litmus, and of the substance obtained, were also shown in the British department, which were awarded prize medals.    From Wordnik.com.  [The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c.] Reference

He found that such fugitive colors as orchil, safflower, and indigo-carmine fade very rapidly in moist air, less rapidly in dry air, and that they experience little or no change in hydrogen or in a vacuum.    From Wordnik.com.  [Scientific American Supplement, No. 810, July 11, 1891] Reference

Pliny, down to the present day, sketching briefly the ancient end modern history of orchil, cudbear, and litmus, and specifying the native use of lichen-dyes in different, countries of Europe, Asia, and America.    From Wordnik.com.  [The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c.] Reference

A woaded color, for example, is only fast in respect of the vat indigo which it contains, and yet how frequent is the custom to unite with the indigo such dyes as barwood, orchil, and indigo-carmine, the fugitive character of which I have pointed out.    From Wordnik.com.  [Scientific American Supplement, No. 810, July 11, 1891] Reference

But the two colors cannot be confounded, first, because the two violet shades are very distinct, that of orchil being much the brighter; and secondly, because ammonia has no action on logwood violet, while it turns orchil violet, if at all reddish, to a blue shade.    From Wordnik.com.  [Scientific American Supplement, No. 363, December 16, 1882] Reference

On some of the rugged masses of masonry grew large hoary tufts of the strange roccella or orchil-weed, which yields the famous purple dye -- with which, in all likelihood, the robes of the Cæsars were coloured -- and which gave wealth, rank, and name to one princely.    From Wordnik.com.  [Roman Mosaics Or, Studies in Rome and Its Neighbourhood] Reference

After a few remarks on the chemical constitution of orchil and litmus, as given by Kane, Gelis, Pereira, and others, he discussed the subject of decolorisation of weak infusions of orchil and litmus by exclusion of atmospheric air, and by various deoxidising agents, and the different theories as to the causation of this phenomenon.    From Wordnik.com.  [The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c.] Reference

Among them are aniline violet, iodine violet, madder, alkanet, orchil and logwood.    From Wordnik.com.  [Forty Centuries of Ink] Reference

The commercial use of the so-called "orchil substitutes" (purples) began, however, in the years 1885 and 1887.    From Wordnik.com.  [Forty Centuries of Ink] Reference

The dye-stuffs are common to other parts of the world, and their names -- indigo, saffron, coccus, madder, and orchil -- are familiar.    From Wordnik.com.  [Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges] Reference

To distinguish between them apply solution of hydrate of lime, whereby a change to gray, followed by complete decoloration indicates logwood, and a change to violet-blue, orchil.    From Wordnik.com.  [Forty Centuries of Ink] Reference

5-1/2 oz., orchil for colouring 3/4 oz., gum mucilage 12 oz., mix the two latter, then mix them with the two former, and it is ready to use.    From Wordnik.com.  [Young's Demonstrative Translation of Scientific Secrets] Reference

Rock lichen (orchil) red dye.    From Wordnik.com.  [Forty Centuries of Ink] Reference

The first group comprises madder, cochineal, orchil, alkanet, and murexide.    From Wordnik.com.  [Scientific American Supplement, No. 363, December 16, 1882] Reference

Of the produce of Portugal itself, Antwerp imported salt, wines, oils, woad, seeds, orchil, fruits, &c. &c. To Barbary, Antwerp exported woollen goods, linen, merceries, metals, &c.    From Wordnik.com.  [A General History and Collection of Voyages and Travels - Volume 18 Historical Sketch of the Progress of Discovery, Navigation, and Commerce, from the Earliest Records to the Beginning of the Nineteenth Century, By William Stevenson] Reference

I alphabet these, too: alkanet-root, annatto, barwood, blackberry, blue-vitriol, brazil-wood, burnt sugar, cochineal, elderberry, garancine (an extract of madder), indigo, Nicaragua-wood, orchil, pokeberry, potash, quercitron, red beet, red cabbage, red carrots, saffron, sanders-wood, turmeric, whortleberry.    From Wordnik.com.  [The Humbugs of the World An Account of Humbugs, Delusions, Impositions, Quackeries, Deceits and Deceivers Generally, in All Ages] Reference

From Spain, Antwerp received jewels, pearls, gold and silver in great quantities; cochineal, sarsaparilla, guiacum, saffron; silk, raw and thrown; silk stuffs, velvets, taffeties, salt, alum, orchil, fine wool, iron, cordovan leather, wines, oils, vinegar, honey, molasses, Arabian gums, soap; fruits, both moist and dried, in vast quantities, and sugar from the Canaries.    From Wordnik.com.  [A General History and Collection of Voyages and Travels - Volume 18 Historical Sketch of the Progress of Discovery, Navigation, and Commerce, from the Earliest Records to the Beginning of the Nineteenth Century, By William Stevenson] Reference

Previous to the discovery of the soluble anilines, logwood, indigo, madder, orchil and other dyeing materials were used for a period of some eighty years and vanadium for some twenty years (very costly at that time), for this purpose, but since 1874, and with frequent changes as the newer aniline compounds were invented, these by-products of coal-tar, as well as logwood, etc., have been and are to-day employed for "loading," or as the manufacturer expresses, it "added color.".    From Wordnik.com.  [Forty Centuries of Ink] Reference