Apothecium Sentence Examples
We find two chief types of fruit bodies in the lichens, the perithecium and apothecium; the first when the fungal element is a member of the Pyrenomycetes division of the Ascomycetes, the second when the fungus belongs to the Discomycetes division.
The two principal parts of which an apothecium consists are the hypothecium and the hymenium, or thecium.
The hypothecium is the basal part of the apothecium on which the hymenium is borne; the latter consists of asci (thecae) with ascospores, and paraphyses.
The apothecia, though of the normal fungal type and usually disk-shaped, are somewhat more variable, and since the Morphologie and Biologie der Pilze, Mycetozoen und 1 The thalline margin (margo thallinus) is the projecting edge of a special layer of thallus, the amphithecium, round the actual apothecium; the proper margin (margo proprius) is the projecting edge of the apothecium itself.
This view was hotly contested by many workers and it was sought to explain the trichogyne - without much success - as a respiratory organ, or as a boring organ which made a way for the developing apothecium.Advertisement
The Ascolichenes are again divided into Pyrenocarpeae or Pyrenolichenes and Gymnocarpeae or Discolichenes; the first having an ascocarp of the nature of a perithecium, the second bearing their ascospores in an open apothecium.
Cyclocarpineae, Apothecium usually circular, no capillitium.
Such an ascocarp goes by the name of apothecium.
In the Helvellaceae there is no apothecium but a large irregular fruit body which at maturity bears the asci on its surface.
From the sclerotia later the apothecium develops.Advertisement