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Cudbear :: Cudbear (n.) A lichen (Lecanora tartarea), from which the powder is obtained..

Archil :: Archil (n.) A violet dye obtained from several species of lichen (Roccella tinctoria, etc.), which grow on maritime rocks in the Canary and Cape Verd Islands, etc..

Ascus :: Ascus (n.) A small membranous bladder or tube in which are inclosed the seedlike reproductive particles or sporules of lichens and certain fungi.

Hyphae :: Hyphae (n. pl.) The long, branching filaments of which the mycelium (and the greater part of the plant) of a fungus is formed. They are also found enveloping the gonidia of lichens, making up a large part of their structure..

Licheniform :: Licheniform (a.) Having the form of a lichen.

Evernic :: Evernic (a.) Pertaining to Evernia, a genus of lichens; as, evernic acid..

Lichenous :: Lichenous (a.) Of, pertaining to, or resembling, lichens; abounding in lichens; covered with lichens..

Parietic :: Parietic (a.) Pertaining to, or designating, an acid found in the lichen Parmelia parietina, and called also chrysophanic acid..

Amphigenous :: Amphigenous (a.) Increasing in size by growth on all sides, as the lichens..

Excipulum :: Excipulum (n.) The outer part of the fructification of most lichens.

Gonimous :: Gonimous (a.) Pertaining to, or containing, gonidia or gonimia, as that part of a lichen which contains the green or chlorophyll-bearing cells..

Soredium :: Soredium (n.) A patch of granular bodies on the surface of the thallus of lichens.

Lichen :: Lichen (n.) One of a class of cellular, flowerless plants, (technically called Lichenes), having no distinction of leaf and stem, usually of scaly, expanded, frond-like forms, but sometimes erect or pendulous and variously branched. They derive their nourishment from the air, and generate by means of spores. The species are very widely distributed, and form irregular spots or patches, usually of a greenish or yellowish color, upon rocks, trees, and various bodies, to which they adhere with great

Lichen :: Lichen (n.) A name given to several varieties of skin disease, esp. to one characterized by the eruption of small, conical or flat, reddish pimples, which, if unchecked, tend to spread and produce great and even fatal exhaustion..

Orcin :: Orcin (n.) A colorless crystalline substance, C6H3.CH3.(OH)2, which is obtained from certain lichens (Roccella, Lecanora, etc.), also from extract of aloes, and artificially from certain derivatives of toluene. It changes readily into orcein..

Treebeard :: Treebeard (n.) A pendulous branching lichen (Usnea barbata); -- so called from its resemblance to hair.

Cetrarin :: Cetrarin (n.) A white substance extracted from the lichen, Iceland moss (Cetraria Islandica). It consists of several ingredients, among which is cetraric acid, a white, crystalline, bitter substance..

Lecanoric :: Lecanoric (a.) Pertaining to, or designating, an organic acid which is obtained from several varieties of lichen (Lecanora, Roccella, etc.), as a white, crystalline substance, and is called also orsellic, / diorsellinic acid, lecanorin, etc..

Eschara :: Eschara (n.) A genus of Bryozoa which produce delicate corals, often incrusting like lichens, but sometimes branched..

Apothecium :: Apothecium (n.) The ascigerous fructification of lichens, forming masses of various shapes..

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