FOSSIL FLORA OF THE STAFFORDSHIRE COAL FIELDS. 143 



Sigillaria mamillaris Brongt. 



1824. Sigillaria mamillaris, Brongt., Ann. d. Scienc. nat., vol. iv. p. 33, pi. ii. fig. 5. 



1836. ,, ,, Brongt., Hist. d. veget.foss., p. 451, pi. cxlix. fig. 1 (1 pi. clxiii. fig. 1 var.) 



1886. ,, „ Zeiller, Flore foss. bassin houil. d. Valen., p. 577, pi. lxxxvii. figs. 5-10. 



1911. ., ,, Kidston, Mem. Musee roy. d'hist. nat. de Belgique, vol. iv. p. 190. 



1836. Sigillaria Dournaisii, Brongt., Hist. d. veget. foss., p. 441, pi. cliii. fig. 5. 



1876. Sigillaria conferta, Boulay, Terr, houil. du Nord de la France, p. 44, pi. iii. fig. 3. 



Horizons and Localities. — 



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



near Birmingham. 

 Roof of Brooch Coal : Shut End. 

 Roof of Thick Coal: Bradley Colliery, Bilston. 



Roof of Fireclay Coal: Doulton's Clay Pit, Netherton, near Dudley. 

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



forma abbreviata Weiss. 



1871. Sigillaria mamillaris /3 abbreviata, Weiss, Fossil Flora d. jiingst. Stk. u. Roihl., p. 165, pi. xv. 

 figs. 1, 2. 



Horizon and Locality. — Whitestone Measures: Moxley, near Bilston. Collected 

 by the late Mr C. Beale. (K. No. 838.) 



forma Dournaisi Brongt., pro. sp. 



Horizon and Locality. — Roof of Fireclay Coal: Doulton's Clay Pit, Netherton, 

 near Dudley. 



Sigillaria scutellata Brongt. 



1822. Sigillaria scutellata, Brongt., Class, d. veget. foss., pp. 22 and 89, pi. i. fig. 4. 



1836. „ ,, Brongt., Hist. d. veget.foss., p. 455, pi. cl. figs. 2, 3, pi. clxiii. fig. 3. 



1886. ,, ,, Zeiller, Flore foss. bassin houil. d. Valen., p. 533, pi. lxxxii. figs. 1-6, 9. 



1911. „ ,, Kidston, Mem. Musee roy. d'hist. nat. de Belgique, p. 192. 



1836. Sigillaria notata, Brongt., ibid., p. 449, pi. cliii. fig. 1. 



1836. Sigillaria elliptica, var., Brongt., ibid., p. 447, pi. clxiii. fig. 4. 



Horizon and Locality. — Roof of New Mine Coal : Merryhill Colliery, Brierley Hill. 



Sigillaria vulgaris Artis, sp. 



1825. Euphorbites vulgaris, Artis, Antedil. Phyt., pi. xv. 



Remarks. — Formerly I treated this species as a variety of Sigillaria scutellata 

 Brongt.,* but in more recent years I have seen a number of specimens from the 



* Catal. Palmoz. Plants, p. 186, 1886. 



