LAB #10 - Porella navicularis
Below is a picture of the underside of the plant to show the complicately bilobed lateral leaves. An lateral leaf is outlined in pink and you can see that it consists of a large lobe and a smaller lobule. An underleaf is outlined in blue.
Leaf Cells:
FEMALE PLANTS:
Below you can see a female plant. Perianth are fused leaves which function to protect the archegoniaand the developing sporophytes.
Archegonium:
The sporangium matures prior to the seta elongating.
Longitudinal section through a sporophyte. It is prior to seta elongation.
(A = archegonium, C = calyptra, P= perianth)
You can see the immature spores still in tetrads below. The elaters are also not finished differentiating.
MALE PLANTS:
Longitudinal section through the antheridial branch:
Squished antheridium from which sperm is being released:
