The female gametophyte is represented by the embryosac , the archegonia being absent .
雌性配子体存在于胚囊中，颈卵器缺失。
A similar section through the female plant reveals several bottle-shape archegonia , the female reproductory organs .
通过雌株末梢的纵切面所现出的几个瓶状的颈卵器，这就是雌性生殖器官。
Many forest tree species have multiple archegonia which , after fertilization produce a number of proembryos .
许多林木树种都有颈卵器，受精以后便产生许多原胚。
Ferns produce spores that germinate to form gametophytes which live independently . The gametophytes later develop antheridia and archegonia and produce new sporophytes upon fertilization .
