FOSSIL FLORA OF THE STAFFORDSHIRE COAL FIELDS. 129 



Sphenophyllese. 



Sphenophyllum Brongniart. 

 Sphenophyllum cuneifolium Sternb., sp. 



1823. Rotularia cuneifolia, Sternb., Essai flore monde prim., vol. i. faso. ii. ppi 33 and 37, pi. xxvi. 



figs. 4a, 45. 

 1886. Sphenophyllum cuneifolium, Zeiller, Flore foss. bassin houil. d. Valen., p. 413, pi. lxii. fig. 1, 



pi. lxiii. figs. 1-10. 

 1893. ,, ,, Zeiller, Mem. Soc. geol. d. France: Paleont., vol. iv. No. ii. p. 12, 



pi. i. (iii.) figs. 1-4, pi. ii. (iv.) figs. 1-3, pi. iii. (v.) figs. 1, 2. 

 1901. ,, ,, Kidston, Trans. Nat. Hist. Soc. Glasgow, vol. vi. (new series) p. 124, 



fig. 21, a, b, p. 121, and fig. 23, p. 125. 

 1911. ,, ,, Jongmans, Anleitung, p. 377, figs. 335-345a (non 345 b, c) (non 



" nach Kidston "). 

 1826. Rotularia saxifragsefolium, Sternb., Essai flore monde prim., vol. i. fasc. iv. p. xxxii, pi. Iv. fig. 4. 

 1831. Sphenophyllum erosum, L. & H., Foss Flora, vol. i., pi. xiii. 



Note. — Common. 

 Horizons and Localities. — 



Brooch Coal : Holly Hall, near Dudley. 



Ten-foot Ironstone Measures : Clayscroft Openwork, Coseley, near Dudley ; 



Cabbage Hall Pit, Netherton, near Dudley. 

 Roof of New Mine Coal: Brierley Hill; Dibdale, near Gornal. 

 Between Fireclay Coal and Bottom Coal : Doulton's Clay Pit, Netherton, near 

 Dudley. 



forma saxifragsefolium Sternb., pro. sp. 

 Blue Measures, six feet above Brooch Coal : Hamstead Colliery, Great Barr, 



near Birmingham. 

 Brooch Coal : Oldbury. 



Roof of New Mine Coal: Merry hill Colliery, Brierley Hill. 

 Blue Measures, six feet above Fireclay Coal: Netherton, near Dudley. 

 Between Fireclay Coal and Bottom Coal : Doulton's Clay Pit, Netherton, near 



Dudley. 



Sphenophyllum tenuissimum Kidston, n. sp. 

 PI. XVI. figs. 3, 4, and 4a, 5. 



Description. — Stem very slender, about 1 mm. wide, internodes 7 mm. long. 

 Leaves single veined, 8 mm. long or more, narrow, about 1 mm. broad, dichotomously 

 divided, and segments end in an acute point. Fructification borne on the ordinary 

 stems without any cone formation, and consisting of numerous pyriform sporangia, 

 united to each other by a thick basal extension into groups of four. 



TRANS. ROY. SOC. EDIN., VOL. L. PART I. (NO. 5). 17 



