FIG. 5 in Anatomical preservation of silicified Corylites J.S.Gardner leaves from the Paleocene maar lake of Menat (Puy-de-Dôme, France)

FIG. 5. — SEM images of anatomical details of the silicified leaf of Corylites macquarrii (Forbes) Heer shown in Fig. 2A from the Paleocene of Menat (Inv.-No. MMM-2010-019): A, overview of an area with parenchymatic cells and tracheids (top right); B, close-up of tracheids; to the left, a tracheid with a silicified scalariform pitted cell wall, to the right the honeycomb-like infilling of a tracheid; C, detail of the tracheid with scalariform pitting, exhibiting silicified fungal hyphae or ascomycete filaments; D, overview of an area with a minor tracheid; E, detail of a minor tracheid where only former spiral thickenings of the cell walls have been silicified; F, detail of a minor tracheid where only small areas of the thin cell wall areas have been silicified between spiral thickenings of the cell walls. Scale bars: A, 10 µm; B, F, 5 µm; C, E, 2 µm; D, 20 µm.