Mature gynoecial heads.
Dorsal (left) and ventral (right) views of gynoecium prior to sporophyte exertion.
Dorsal (left) and ventral (right) views of gynoecium prior to sporophyte exertion.
Longitudinal section of mature gynoecium, showing attachment of perianth and inner bracts (left).
Detailed view of attachment of perianth and inner bract (right).
Lobe of perianth (left). Detail of slime papillae on perianth margin (right).
Perianth margin (left). Slime papillae on inner bract labial surface (right)
Ruptured calyptra with aborted sporophyte and sterile archegonia attached (left). Detail of archegonial neck (right).