THE FOSSIL FLORA. OF THE SOUTH WALES COAL FIELD. 579 



Synopsis of Species. 



Oalamariese. 

 Calamites, Suckow. 



Group I. — C alamitina, Weiss. 

 Calamitina Gopperti, Ett., sp. 



Catamites Gopperti, Ett., Steinkf. v. Radnitz, p. 27, pi. i. figs. 3-4. 



Calamitina Gopperti, Weiss, Steinkohlen Calamarien, part i. p. 127, pi. xvii. figs 1-2, 1876. 

 *Calamitina Gopperti, Kidston, Trans. Roy. Soc. Edin., vol. xxxvii. p. 310, 1893. 



Locality. — Tondu Junction, Llynvi Valley. 

 Horizon. — (?). 



As both the Lower Pennant [Transition Series) and the White Ash Series (Middle 

 Coal Measures) crop out here, and as the exact locality of the specimen is unknown, the 

 horizon from which it was derived cannot be determined. 



Calamitina varians, Sternb., sp. 



Calamitina varians, Kidston, Trans. York. Nat. Union, part xiv., 1890, p. 16. 



Calamites varians, Sternb., Vers., ii. p. 50, pi. xii. 



Calamites varians, Germar, Vers. v. Wettin u. Lobejun, p. 47, pi. xx. 



Calamites varians, Weiss, Foss. Flora, d.jiing. Stk. u. RothL, p. 113, pi. xiii. fig. 1 (?) ; figs. 2 and 7. 



Middle Coal Measures ( = White Ash Series). 



Locality. — Treaman Colliery, Aberdare. 

 Horizon. — 2 feet 9 inch Coal. 



Calamitina approximata, Brongt., sp. 



Calamitina approximata, Weiss, Steinkohlen Calamarien, part ii. p. 81, pi. xxv. fig. 1. 

 * Calamitina approximata, Kidston> Trans. Roy. Soc. Edin., vol. xxxvii. p. 311. 

 Calamites approximatus, Brongt. {in part), Hist. d. veget. foss., p. 133, pi. xxiv. figs. 2, 3 (1 figs. 4-5). 



Transition Series (Lower Pennant Series). 



Locality. — Bute Quarry, Pwllypant, near Caerphilly. 



Horizon. — Pennant Sandstones (under Mynyddislwyn Seam). 



Locality. — Victoria Iron Works, Monmouthshire. 



Horizon. — Troedyrhywclawdd Coal (No. 2 Rhondda). 



* A more complete synonymy will be found at the references marked *. 



