118 DR ROBERT KIDSTON ON THE 



Calamites Cisti Brongt. 



1828. Calamites Cistii, Brongt., Hist, d. veget.foss., p. 129, pi. xx. 



1886. „ ,, Zeiller, Flore foss. bassin houil. d. Valen., p. 342, pi. lvi. figs. 1, 2. 



Note. — Not very common. 



Horizon and Localities. — Roof of Brooch Coal : Oldbury, near Dudley ; Shut 

 End, near Kingswinford ; Pensnett. 



Calamites undulatus Sternb. 



1826. Calamites undulatus, Sternb., Essai flore monde prim., vol. i. fasc. iv. p. 26; vol. ii. fasc. v.-vi. 



p. 47, pi. i. fig. 2 (? pi. xx. fig. 8). 

 1828. ,, ,, Brongt., Hist. d. veget.foss., p. 127, pi. xvii. figs. 1-4. 



1886. ,, ,, Zeiller, Flore foss. bassin houil. d. Valen., p. 338, pi. liv. figs. 1 and 4. 



Note. — This plant, usually so common, I have only received from a single locality. 

 This apparent rareness of Calamites undulatus in the South Stafford Coal Field may 

 possibly arise from the plant having been passed over in collecting. 



Horizon and Locality. — Roof of Brooch Coal: Shut End, near Kingswinford. 



Calamites Waldenburgensis Kidston. 



1828. Calamites approximatus, Brongt. (non Schl.) (pars), Hist. d. veget.foss., p. 133, pi. xxiv. figs. 2, 3 



figs. 4, 5). 

 1855. ,, ,, Geinitz (pars), Vers. d. Steinkf. in Sachsen, p. 7, pi. xi. fig. 5, pi. xii. 



fig. 3. 



1887. ,, ,, Stur (pars), Calamarien d. Carbon-Flora d. Schatz. Schichten, p. 119, 



pi. v. fig. 3, pi. viii. fig. 4. 

 1893. Calamitina approximata, Kidston, Trans. Roy. Soc. Edin., vol. xxxvii. p. 311, pi. ii. figs. 5, 6. 

 1903. Calamites Waldenburgensis, Kidston, Trans. Roy. Soc. Edin., vol. xl. p. 789. 

 1911. ,, ,, Jongmans, Anleitung, vol. i. p. 57, figs. 65, 66. 



Note. — Rare. 



Horizons and Localities. — 



Ten-foot Ironstone Measures : Cabbage Hall Pit, Netherton. 



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



Below Bottom Coal : Ruiton, near Sedgley. 



Calamites Schutzei Stur. 



1887. Calamites Schutzei, Stur, Calamarien d. Carbon-Flora d. Schatz. Schichten, p. 131, pi. iii. figs. 2, 

 26 ; pi. iv. ; pi. iv./,, fig. 1 ; pi. xvii. fig. 2 ; text-figs. 33-38. 



Note. — Rare. 



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

 near Dudley. 



