VIRTUAL GALLERY (II)

The Ferns Living Ferns
2:1		Fern gametophyte.
2:2		Marattia fraxinia eusporangiate synangia.
2:3		Marattia synangium in transverse section.
2:4		Leptosporangium; note the annulus and the green spores.
2:5		Cyrtomium sorus in cross section.
Ancient Ferns
2:6		Pseudosporochnus an early fern representative (see the VPL cladogram).
2:7		Stauropteris rachis trace.
2:8		Etapteris rachis trace.
Marattiales
2:9		Psaronius permineralized stem in transverse section.
2:10		Psaronius root mantle in transverse section (permineralization).
2:11		Pecopteris vegetative leaflet.
2:12		Pecopteris fertile leaflet.
2:13		Pecopteris fertile leaflet in cross section. Note dehiscence of sporangia.
2:14		Angiopteris fertile leaflets.