Sorry, no definitions found.
“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”
These user-created lists contain the word ‘orchil-weed’.
A colorhouse - a manufactory of colors for tints, dyes, pigments, paints, glazes, &c. Terms associated with the science and history of colormaking.
All sorts of things went into color...
Looking for tweets for orchil-weed.