rock tripe

rock tripe
any lichen of the genus Umbilicaria. Also called tripe-de-roche.
[1850-55; allegedly so called in reference to the appearance of the thallus]

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▪ lichen
      lichen of the genus Umbilicaria, sometimes used as emergency food by soldiers or explorers. It contains about one-third more calories than equal amounts of honey, corn flakes, or hominy; however, this lichen cannot seriously be considered as a food crop because of its slow growth rate. Rock tripe was boiled by Washington's troops at Valley Forge. In Japan U. esculenta, called “iwa-take,” or “rock mushroom,” is sold as a delicacy and eaten in salads or fried in deep fat. Species of rock tripe are also used as dyes.

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Universalium. 2010.

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Look at other dictionaries:

  • Rock tripe — Rock Rock, n. [OF. roke, F. roche; cf. Armor. roc h, and AS. rocc.] 1. A large concreted mass of stony material; a large fixed stone or crag. See {Stone}. [1913 Webster] Come one, come all! this rock shall fly From its firm base as soon as I. Sir …   The Collaborative International Dictionary of English

  • rock tripe — n. any of a genus (Umbilicaria) of large lichens, green on top and black beneath, attached to a rock surface …   English World dictionary

  • Rock tripe — Taxobox name = Rock tripe regnum = Fungi image caption = Umbilicaria growing on a rock divisio = Ascomycota classis = Lecanoromycetes familia = Umbilicariaceae genus = Umbilicaria subdivision ranks = Species subdivision = Umbilicaria americana… …   Wikipedia

  • rock tripe — noun : a lichen of the genus Umbilicaria or of the related genus Gyrophora that has a flat coriaceous blackish thallus, is common on rocks in arctic, subarctic, and north temperate regions, and is used as food in cases of extremity * * * any… …   Useful english dictionary

  • rock tripe — noun Date: 1854 any of various dark leathery umbilicate foliose lichens (as of the genus Umbilicaria) that are widely distributed on rocks in boreal and alpine areas and are sometimes used as food …   New Collegiate Dictionary

  • Tripe-de-roche — n. [F.] (Bot.) Same as Rock tripe, under {Rock}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Tripe (disambiguation) — Tripe is a type of edible offal from the stomachs of various domestic animals.Tripe may also refer to:* Linnaeus Tripe (1822 1902), British photographer * Rock tripe, a lichen …   Wikipedia

  • tripe de roche — /trēp də roshˈ/ noun (Fr) rock tripe • • • Main Entry: ↑tripe …   Useful english dictionary

  • Rock — Rock, n. [OF. roke, F. roche; cf. Armor. roc h, and AS. rocc.] 1. A large concreted mass of stony material; a large fixed stone or crag. See {Stone}. [1913 Webster] Come one, come all! this rock shall fly From its firm base as soon as I. Sir W.… …   The Collaborative International Dictionary of English

  • Rock alum — Rock Rock, n. [OF. roke, F. roche; cf. Armor. roc h, and AS. rocc.] 1. A large concreted mass of stony material; a large fixed stone or crag. See {Stone}. [1913 Webster] Come one, come all! this rock shall fly From its firm base as soon as I. Sir …   The Collaborative International Dictionary of English

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