PLATE 3L 
VEGETABLE REMAINS. IRONSTONE. 
FIG. 1 , 2 . 
PHYTOLITHUS Filicites ? (auriformis) froncle 
simplicc auriformi subundulata : nervis clicbetomis 
subobsoletis a basi ad marginem extensis. S. p. 
A fossil vegetable. The original a Fern f Frond simple, 
ear-shaped; the surface somewhat undulated ; marked, with 
dichotomous, indistinct nerves, extending from the base 
to the margin. 
This fossil is not common : it occurs in the ironstone on 
the borders of the county, near Alfreton : it has been found 
also near Chesterfield ; elsewhere I have not observed it. 
Fig. 1. Represents a very large specimen in ironstone. 
2. A smaller, but more perfect specimen, in ironstone. 
FIG. 3 . 
Is a small nodule of ironstone, holding a single pinnule 
or leaflet of the Phyt. Osmunda regalis, heretofore des- 
cribed, 
