Stratigraphy in association with upright tree stump

Figure Caption:

"1.=Shale. 2.=Shaly coal, 1 foot. 3. Underclay with rootlets, 1 foot 2 inches. 4. Gray sandstone passing downwards into shale, 3 feet. Erect tree with Stigmaria roots (e) on the coal. 5. Coal, 1 inch. 6. Underclay with roots, 10 inches. 7. Gray sandstone, 1 foot 5 inches. Stigmaria rootlet continued from the bed above; erect Calamites. 8. Gray shale, with pyrites. Flattened plants."