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Rhynia gwynne-vaughanii: decaying stems

Decayed stem of Rhynia

Decaying stem with wood tissue in the centre.
The ridges on the epidermal cells are visible.

Diameter 1.2 mms.

Decayed stem of Rhynia

Decaying stem of Rhynia. Width of the stem 1.5 mms.
Section just above a dichotomy (two xylem cylinders).

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