EditorialDyer's lichen or orchall, Roccella tinctoria (Lichen roccella). Handcoloured copperplate engraving by James Sowerby from James Smith's English Botany, London, 1794.
EditorialRoccella or flat-leaved lichen, Lichen fuciformis. Handcoloured copperplate engraving after a drawing by James Sowerby for James Smith's English Botany, 1800.
EditorialIceland lichen or moss, Cetraria islandica, and dyeing rock moss or orchel, Roccella tinctoria. Handcoloured zincograph by C. Chabot drawn by Miss M. A. Burnett from her "Plantae Utiliores: or Illustrations of Useful Plants," Whittaker, London, 1842. M...
EditorialOrcein or archil, Roccella tinctoria, lichen used for dye from the Cape Verde islands. Handcoloured stipple copperplate engraving by Lambert Junior from a drawing by Pierre Jean-Francois Turpin from Chaumeton, Poiret and Chamberet's "La Flore Medicale,...