Sentence Examples


  • 8, Bennettites, synangium of male flower, showing line of dehiscence, k, and microspores, 1.
  • 9, Synangium, in transverse section, showing sporangial groups, m, and microspores, 1.
  • And contain either an im The upper sporangia contain numermense number of minute ous microspores; in each of the lower spores or a very small number sporangia four megaspores are shown.
  • The spores of this genus are curiously winged, and intermediate in size between the microspores and megaspores of Lepidostrobus; the question of homospory or heterospory is not yet decided.
  • The microspores are tetrahedral.
 

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