Tag: siphonaceous
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Vaucheria
According to Fritsch system of classification, Vaucheria is placed in Chlorophyceae. Fritsch system of classification: Class – Chlorophyceae Order – Siphonales Family – Vaucheriaceae Genus – Vaucheria According to Smith, Vaucheria is placed under Xanthophyceae. Smith system of classification: Class – Xanthophyceae Order – Heterosiphonales Family – Vaucheriaceae Genus –Vaucheria which…
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Xanthophyceae (Yellow Green Algae)
General characteristics of Xanthophyceae Members of Xanthophyceae are commonly fresh water (Tribonema) and most of them are free floating. Plant body is unicellular (Heterochloris) or multicellular. The multicellular bodies also exhibit various forms like: Palmelloid (Chlorogloea), dendroid (Mischococcus), coccoid (Chlorobotrys), rhizopodial (Stipitococcus). Cells are eukaryotic with silica and pectin in cell wall. Chief pigment are…
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General Characteristics of Chlorophyceae (Green Algae)
Grass green chromatophores. Presence of starch as reserve food Members of green algae mostly green in fresh water, a few in brackish and saline water and few are terrestrial. They show wide range of variations in their thallus structure like unicellular motile (Chlamydomonas), Coenobium(Volvox), palmelloid (Tetrospora), non motile (Chlorella), Dendroid (Ecballocystis), filamentous branched (Cladophora) and unbranched (Spirogyra), heterotrichous (Coleochaete), siphonaceous…