Marchantia mature sporophyte

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There are twelve to fourteen archegonia in a single row in each lobe of the disc. It is called the perigynium or the pseudoperianth. Retrieved from " https: The mature sporophyte of Marchantia Fig. Distribution of the spores by wind results in the germination of those that find suitable habitats, giving rise to a new gametophyte thallus. Therefore, the sporangium of Marchantia develops within three gametophytic coverings viz. On the dorsal surface along the midrib, there appears a cup-like structure known as gemma cup.
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Quick Notes on Marchantia (With Diagrams) | Biology

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Marchantia - Wikipedia

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Marchantia Sporophyte

The spore mother cell is diploid and divides meiotically to form four haploid spores which remain arranged tetrahedrally for quite some time Fig. The next division is also vertical and it results in formation of eight celled stage or octant stage. A new thallus develops from this protonema by means of mitotic divisions.
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Archegoniophores and egg cell, antheridiophores and sperms

Field Museum of Natural History, Outer cell divides to form a filament of four cells. The images below compare performance of the Intel Play QX3 Computer Microscope with and without the aid of an organized cone of illumination from a substage condenser containing an aperture diaphragm. Some cells contain a single large oil body or filled with mucilage. Meanwhile, the growing points in which lies the two lateral notches form thalli in opposite directions.
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