188 DR ROBERT KIDSTON ON THE 



Fig. la. Sigillaria, cf. nodosa Bowman, sp. 



Portion of same specimen, enlarged 2 times, with illumination at right angles to ribs, to show 

 the form of the leaf scar. 

 Fig. 2. Sigillaria trigona Sternb., sp. 



Natural size. Locality — Tipton. Horizon — Roof of Thick Coal. 

 Fig. 2a. Sigillaria trigona Sternb., sp. 



Portion of same specimen, enlarged 2 times to show form of cushion and leaf scar. 

 Figs. 3 and 4. Sigillaria trigona Sternb., sp. 



Two outline drawings of cushion and leaf scar to show opening of ligule pit and diverging lines 

 on base of cushion. 

 Fig. 5. Sigillaria cordigera Zeiller. 



Natural size. Locality — Mount Pleasant, Brierley Hill. Horizon — Roof of New Mine Coal. 

 Fig. 5a. Sigillaria cordigera Zeiller. 



From same specimen, enlarged 2 times to show the leaf scars and surface ornamentation of 

 cortex. 

 Fig. 6. Sigillaria punctirugosa Kidston. 



Specimen, natural size. Locality — Mount Pleasant, Brierley Hill. Horizon — Roof of New 

 Mine Coal. (K. No. 3474.) 

 Fig. 6a. Sigillaria punctirugosa Kidston. 



A small portion, enlarged 2 times to show form of leaf scar and ornamentation of ribs. 



Plate XIII. 



Figs. 1-6. Lepidocarpon Westphalicum Kidston. 



Locality — Clayscroft Openwork, Coseley. Horizon — Ten- foot Ironstone Measures. 



Figs. I and 2. Natural size. 

 Fig. 3. Enlarged 2 times. 

 Fig. 4. Enlarged 4 times. 



Fig. 5. Enlarged 4 times. 

 Fig. 6. Enlarged 8 times. 



For description, see text. 



Plate XIV. 



Figs, la, lb, and \c. Tripterospermum ellipticum Kidston. 



The seed seen on three of the surfaces into which the nodule split, and which corresponds to the 

 three pieces of the nodule lettered a, b, c, fig. Id. Natural size. Locality — Clayscroft 

 Openwork, Coseley. Horizon — Ten-foot Ironstone Measures. 

 Fig. 2. Tripterospermum Johnsoni Kidston. 



Portion of seed, showing two of the wings. Natural size. Same locality aud horizon as last. 

 (K. No. 3573.) 

 Fig. 3. Dicranophyllum anglicum Kidston. 



Portion of small branch with leaves attached. Natural size. Locality — Shut End, near 

 Dudley. Horizon — Roof of Brooch Coal. Collected by Mr D. Rodgebs. (K. No. 4623.) 

 Fig. 3a. Dicranophyllum anglicum Kidston. 



Leaf from same specimen, enlarged 2 times. 

 Fig. 4. Huttonia spicata Sternb. 



Portion of specimen given on PI. XL fig. 4, enlarged 2 times to show bracts. 

 Fig. 5. Polypterospermum ornatum Kidston. 



Portion of seed seen natural size, showing ornamentation and longitudinal furrows indicating 

 position of wings. Locality — Shipley Clay Pit, Ilkeston, Derbyshire. Horizon — Below 

 Top Hard Coal. (K. No. 4651.) 



