cudbear
orchil
archil

The Marines would be like fire-ants attacking a Cudbear.

Cudbear was the first dye to be invented in modern times, and one of the few dyes to be credited to a named individual.

The purple from lichens was an important commercial product and came in a variety of forms, for example, orchil and cudbear.

Cudbear is a dye extracted from orchil lichens that produces colours in the purple range.

These compounds are very useful for lichen identification, and have had economic importance as dyes such as cudbear or primitive antibiotics.

Today, embalming fluids are colored from the lichen dye orchil into a product called Cudbear, illustrating how a historical procedure can influence future practices.

Cudbear is a dye extracted from orchil lichens that can be used to dye wool and silk, without the use of mordant.

Scottish lichen dyes include cudbear (also called archil in England and litmus in the Netherlands), and crottle.

Cudbear was developed by Dr. Cuthbert Gordon of Scotland: production began in 1758, The lichen is first boiled in a solution of ammonium carbonate.

Claret - "corcur" - the cudbear lichen, Lecanora tartarea, scraped off rocks and steeped in urine for three months, then taken out, made into cakes, and hung in bags to dry.

In the 18th century, orseilla (orchil) from Rocella tinctoria was obtained from Crete and the Greek islands and persio (cudbear) from Lecanora species was obtained from Scotland and Scandanavia.

In 1819 Macintosh started purchasing waste tar and other foul substances from Scottish gasworks, which had, until then, been dumped in quarries or the Firth of Forth, which he planned to turn into a dye named cudbear.