Sori hemispheroid, in 2-3 series on each side along the costules, without indusium.

孢囊群圆形，沿脉两侧各排成2-3行，无囊群盖。

Zoospore An asexual motile spore produced by a zoosporangium.

由游动孢囊产生的无性可自由运动的孢。

Slide 1-18 The dark brown body (A) in this picture is a spore sac (ascocarp), called a cleistothecium.

幻灯1-18 这张照片，暗棕色的体（A）是一种孢囊（囊果），称为闭囊壳。

Indusium The flap of tissue, derived from the placenta, that encloses the developing sporangia in the sorus of a fern.

是一种起源于胎座（应为叶表皮译者注）的瓣片状组织，覆盖蕨类植物孢囊群发育的孢囊上。

There are a lot of sporule mother cells in every sporangium, they are respective via meiosis hind, produce the sporule of 4 monoploid.

每个孢囊有许多孢母细胞,它们各自经减数分裂后,产生四个单倍体的孢。

The ontogeny of epiphyllous microsporangia Ginkgo indicated that the microsporophyll in Ginkgo is of phyllome origin.Possibly, the epiphyllous microsporangia is a peculiar chimera.

叶生孢囊银杏的个体发生，表明银杏的孢叶有叶性来源的性质，叶生孢囊银杏可能是一种奇特的嵌合体。