 a, Longitudinal section of lichen thallus. Black areas are aggregated
hyphae; the pocket contains nets and cyanobacterial
cells. (x 60)
c, Detail of
fungal hypha. (x 1600) |
 b, Section of net showing hyphae surrounding photobiont
cells. (x 1000)
d, Four of eight daughter cells within a common sheath.
Note the degraded protoplast in each cell. (x 6000) |
