v. Lepidodendron stems as represented by casts and

impressions of partially decorticated specimens 123–128 _a._ _Knorria_ 124–126; _b._ _Bergeria_ 126, 127; _c._ _Aspidiaria_ 127, 128.

vi. Lepidodendroid axes known as _Ulodendron_ and _Halonia_ 128–139 _a._ _Ulodendron_ 128–135; _b._ _Halonia_ 135–139.