Gloeonema, xliii, 327.
Gomphonema, xliii, 323.
— minutissimum, xliii, 323.f
—, xliii, 323f, 324.f
Goniothecium — ? xlviii, 336.f
Heliopeta, genus, xlviii, 324.
Hercotheca, genus, xlviii, 327.
— mammilaris, xlviii, 327.
Isthmia, xliii, 321.
Lithocampe, xlviii, 336.f