1. The embryogeny is of the Onagrad type.

2. The embryogeny conforms to the Asterad type. The top cell and the base cell take part in the structure of embryo.

3. The embryogeny of Taiwania in Comparison with that of other genera of Taxodiaceae.

4. Methods Review embryogeny and dissection of the umbilicus, analyze the relationship of holographic theory with umbilicus therapy.

5. The first division of the zygote is transverse. The embryogeny belongs to the Onagrd type.

6. The present paper firstly reports the development of microsporangium, male gametophyte, megasporogenesis , female gametophyte and embryogeny in Swertia erythrosticta Maxim.