nemathecium definition

  • noun:
    • A kind of fructification on certain red algae, comprising an external mass of filaments that individual into tetraspores.
    • A peculiar types of fructification on certain red algæ, consisting of an external mass of filaments at size separating into tetraspores.
    • A wart-like height created on top of the thallus of a number of the greater algæ (Florideæ), and normally containing groups of tetraspores mixed with barren hyphæ or paraphyses: however in some forms the antheridia and cystocarps are also produced in comparable protuberances.
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