孢子囊

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

孢圆形，沿中脉两侧各排成2-3行，无盖。

Zoospore An asexual motile spore produced by a zoosporangium.

由游动孢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 在这张照片中，暗棕色的小体（A）是一种孢（果），称为壳。

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，覆盖在蕨类植物孢中正在发育的孢上。

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

每个孢中有许多小孢母细,各自经减数分裂后,产生四个单倍体的小孢。

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

叶生小孢银杏的个体发生，表明银杏的小孢叶有叶性来源的性质，叶生小孢银杏可能是一种奇特的嵌合体。