THE FOSSIL FLORA OF THE SOUTH WALES COAL FIELD. 597 



Lonchopteris rugosa, Zeiller, Flore foss. d. bassin liouil. d. Valen., p. 244, pi. xxxix. figs. 2-3, 



pi. 1. figs. 3-4. 

 Lonchopteris rugosa, Weiss, Aus. d. Steinkf., p. 16, pi. xv. fig. 95 (Ed. 1882). 

 Woodwardif.es acutilobus, Gb'pp., Syst. fit. foss., p. 289, pi. xxi. fig. 2. 



Lonchopteris Bricii, Zeiller (not Brongt.) (in part), Veget. foss. du terr. houil., p. 79, pi. clxv. figs. 3-4. 

 Lonchopteris Bricii, Renault (not Brongt.), Cows d. botan. foss., vol. iii. p. 166, pi. xxx. figs. 1-2. 

 (?) Lonchopteris Roehlii, Achepohl (not Andrse), Niederrh. Wesffdl. Steink., Supp., pi. iv. fig. 31. 



Note. — This species appears to be very rare. 



Middle Coal Measures (White Ash Series). 



Locality. — Cribbwr Brick Works, near Aberkenfig, Llynvi Valley. 

 Horizon. — Fireclay Bed (Below 9 Feet Seam). 



Sphenophyllese. 



Sphenophyllum, Brongt. 



Sphenophyllum cuneifolium, Stern b., sp. 



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



pi. lxiii. figs. 1-10. 

 * Sphenophyllum cuneifolium, Kidston, Trans. Roy. Soc. Edin., vol. xxxvii. p. 332. 

 Rotularia cuneifolia, Sternb., Ess. flore monde prim., i. fasc. 2, p. 33, pi. xxvi. figs. 4a, ib. 

 Sphenophyllum erosum., L. and H., Fossil Flora, vol. i. pi. xiii. 



Transition Series (Lower Pennant Series). 



Locality. — Bwllfa Dare Colliery, Aberdare. 

 Horizon. — Graig Seam. (Abergorchy.) 



Middle Coal Measures (White Ash Series). 



Locality. — Bwllfa Dare Colliery, Aberdare. 



Horizons. — Balls Mine, above 4 Foot Seam ; 4 Foot Seam (var. saxifragafolium). 

 Locality. — Cribbwr Brick Works, near Aberkenfig, Llynvi Valley. 



Horizon. — (var. saxifragcefolium). Fireclay Bed (Below 9 Feet). 



Sphenophyllum myriophyllum, Crepin. 



Sphenophyllum myriophyllum, Crepin, Notes paleophytol. l re note, p. 6 (Bull. Soc. toy. d. botan. d. 



Belgique, vol. xix. part ii., 1880). 

 Sphenophyllum myriophyllum, Zeiller, Flore foss. d. bassin houil. Valen., p. 422, pi. lxi. fig. 7, pi. lxii. 



figs. 2-4. 

 VoTkmannia gracilis, Sternb. (in part), Ess. flore monde prim., voi. ii. p. 53, pi. xv. fig. 1. 

 Volkmannia gracilis, Roehl, Foss. Flora d. Steink. Form. Westph., p. 20, pi. xii. figs, la, lb. 

 Vollanannia gracilis, Schenk, in Ricldhofen's China, vol. iv. p. 235, pi. xxxvii. fig. 2. 

 Catamites communis, Ett. (in part), Steinkf. v. Radnitz., p. 24, pis. i. fig. 5, vi. figs. 1-3, vii. fig. 1-4. 



VOL. XXXVII. PART III. (NO. 26). 4 U 



