Sentence Examples

  • In relation to the view that the spermatia are sexual cells, or at least were primitively so, it must be pointed out that although the actual fusion of the spermatial nucleus with a female nucleus has not been observed, yet in a few cases the spermatia have been seen to fuse with a projecting portion (trichogyne) of the ascogonium, as in Collema and Physcia, and there is very strong circumstantial evidence that fertilization takes place (see later in section on development of ascocarp).
  • He showed that the archicarp consisted of two parts, a lower coiled portion, the ascogonium, and an upper portion, the trichogyne, which projected from the thallus.
  • Only when a spermatium was found attached to the trichogyne did the further development of the ascogonium take place.
  • 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.
  • A, Carpogonium, c, with its trichogyne t (X405).

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