Protococcus

Protococcus

Genus of green algae.

Popularly called moss though not actually classified as such, it is found as a thin, green covering on the moist, shaded side of trees, rocks, and soil. The spherical cells, either solitary or clumped together forming short false filaments, have heavy cell walls that protect them against excessive water loss. Each cell contains a large dense chloroplast. The position of Protococcus in classification systems is uncertain.

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Universalium. 2010.

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Look at other dictionaries:

  • Protococcus — Protococcus …   Wikipédia en Français

  • protococcus — [ prɔtɔkɔkys ] n. m. • 1859; de proto et lat. coccus ♦ Bot. Algue microscopique (chlorophycées) qui pousse sur le tronc des arbres. ● protococcus nom masculin Algue chlorophycée unicellulaire, verte, globuleuse, poussant sur le tronc des arbres… …   Encyclopédie Universelle

  • Protococcus — Pro to*coc cus, n. [NL. See {Proto }, and {Coccus}.] (Bot.) A genus of minute unicellular alg[ae] including the red snow plant ({Protococcus nivalis}). [1913 Webster] …   The Collaborative International Dictionary of English

  • Protococcus — Ag. (Kugelalge, Urkornalge), einstmalige Algengattung, die Formen von sehr ungleicher Entwickelung enthält. Gegenwärtig werden dieselben als Protokokkoideen (Protococcales) zu einer Unterabteilung der Grünalgen (Chlorophyzeen, s. Algen 4)… …   Meyers Großes Konversations-Lexikon

  • Protococcus — (Urkügelchen, P. Ag.), Pflanzengattung aus der Algenfamilie der Nostochinae Endl., Palmelleae Kütz.; Lager rindenartig ausgebreitet, oft krumig, selten gallertartig, aus freien, mit gefärbtem Inhalte versehenen Vollzellen, der Inhalt bald grün od …   Pierer's Universal-Lexikon

  • Protococcus — Protococcus, s. Blutregen …   Kleines Konversations-Lexikon

  • Protococcus — Pleurococcus …   Wikipédia en Français

  • Protococcus nivalis — Protococcus Pro to*coc cus, n. [NL. See {Proto }, and {Coccus}.] (Bot.) A genus of minute unicellular alg[ae] including the red snow plant ({Protococcus nivalis}). [1913 Webster] …   The Collaborative International Dictionary of English

  • Protococcus nivalis — Red Red, a. [Compar. {Redder} ( d?r); superl. {Reddest}.] [OE. red, reed, AS. re[ a]d, re[ o]d; akin to OS. r[=o]d, OFries. r[=a]d, D. rood, G. roht, rot, OHG. r[=o]t, Dan. & Sw. r[ o]d, Icel. rau[eth]r, rj[=o][eth]r, Goth. r[ a]uds, W. rhudd,… …   The Collaborative International Dictionary of English

  • Protococcus vulgaris — Erythrite E*ryth rite, n. [Gr. eryqro s red.] 1. (Chem.) A colorless crystalline substance, {C4H6.(OH)4}, of a sweet, cooling taste, extracted from certain lichens, and obtained by the decomposition of erythrin; called also {erythrol},… …   The Collaborative International Dictionary of English

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