Abstract: Without any extra hormone, by separating the air to the spores, the spores of Neottopteris antrophyoides in liquid culture, the first successful induction of N. antrophyoides (Christ) Ching has been realized and the male gametophyte of simplification is almost the same as pollen grain that is in composition of one nutritional cell, one rhizoide and one antheridium. This article discussed the possible role in the evolution of environmental factor in the history of the system of high class plant life.

Key words: Neottopteris, gametophyte