File:Bryophyta 1.png
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Illustration from 1911 Encyclopædia Britannica, article BRYOPHYTA.
Original caption: FIG. 1.—Archegonia of Marchantia polymorpha. (After Sachs.)
1. Mature but unopened archegonium. e, Ovum; b, ventral-canal cell; d, lid-cells of neck.
2. Archegonium ready for fertilization; a passage leads down to the rounded ovum e.
3. Archegonium after fertilization; the fertilized ovum is developing into a sporogonium f; d, perianth.
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current | 20:59, 7 November 2006 | ![]() | 870 × 698 (15 KB) | Laverock~commonswiki (talk | contribs) | Illustration from 1911 Encyclopædia Britannica, article BRYOPHYTA. Original caption: F<small>IG.</small> 1.—Archegonia of ''Marchantia polymorpha''. (After Sachs.) 1. Mature but unopened archegonium. ''e'', Ovum; ''b'', ventral-canal cell; ''d'', |
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