LAB #6 - ANDREAEIDAE
1. Andreaea nivalis
This moss is found on granite. You can see the black moss on the rocks.
Scanning electron micrograph:
Stem Cross-section:
Rhizoid:
The perigonial branch is indicated with an arrow.
Perigonial branch with paraphyses and an antherium:
An antheridium:
2. Andreaea rupestris
Leaf (note the lack of costa):
A close-up of the leaf showing the pigmented cell wall:
3. Andreaeobryum macrosporum
