310 MR ROBERT KIDSTON ON THE FOSSIL PLANTS OF THE 



The material on which the present communication is founded, is the result of full) 7 

 ten years collecting on the part of many local geologists, who have given special atten- 

 tion to the subject, and to these gentlemen I take this opportunity of offering them my 

 best thanks for all the assistance they have so willingly and kindly given me, whilst 

 working up the Fossil Flora of the district, and I specially wish to mention Mr J. Smith, 

 Kilwinning ; Mr J. Rorrison, Springhill ; Mr D. Beverdige, Annandale Colliery, near 

 Kilmarnock ; Mr A. Sinclair, Riccarton ; Messrs J. Stevenson, T. Steel, J. Gilchrist, 

 W. Hillhouse, and J. M'Mirren, Kilmarnock; and Mr R. Linton, Kilmaurs ; but 

 above all am I indebted to the Rev. D. Landsborough, Kilmarnock, who has taken 

 the deepest interest in the matter, and kept up a constant communication amongst the 

 workers on my behalf.* 



I have given a full list of references, and the synonymy of the species included in the 

 following pages. 



Synopsis of Species. 



(From the Lower Series of the Lower Coal Measures.) 



Calamarieae. 



Calamites, Suckow. 



Group I. — C alamitina, Weiss. 



Calamitina varians, Stemb., var. insignis, Weiss. 



Calamites (Calamitina) varians, var. insignis, Weiss, Steinkohlen Calamarien, part ii. pp. 62, 63, pi. i., 



and pi. xxviii. fig. 1. 

 Calamites varians, Germar, Vers, von Wettin u. Lobejun, Heft iv. p. 47, pi. xx. 

 Calamites varians, Schenk., Richthofen's Cliina, vol. iv. p. 234, pi. xxxv. fig. 5 (? pi. xxxiv. fig. 1), 1883. 



Remarks. — A single specimen of this plant has been collected, and, though it only 

 shows a small portion of a stem, I have no hesitation in referring it to Weiss' Calamitina 

 varians, var. insignis. 



Locality. — Woodhill Quarry, Kilmaurs. 

 Horizon. — Shale over Sandstone.t 



Calamitina Gopperti, Ett., sp. 



Calamites 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. 

 Calamitina (Calamites) Gopperti, Kidston, Trans. York. Nat. Union, part xiv. p. 16, 1890. 

 Calamophyllites Goepperti, Zeillcr, Flore foss. d. bassin houil. d. Valenciennes, p. 363, pi. lviii. fig. 1. 

 Calamites (Calamitina) varians abbreviatus, Weiss, Steinkohlen Calamarien, part ii. pp. 62 and 73, pi. 

 xvia. figs. 10, 11. 



* Publications of the Geological Survey of Scotland relating to the Galston, Kilmarnock, and Kilwinning Coal 

 Fields : — Geological Map, sheet 22. Memoirs. Ayrshire (north part), with parts of Renfrewshire and Lanarkshire, 

 Explanation of sheet 22, 1872. Horizontal Sections, sheet 5. Vertical Sections, sheet 3. 



t This is about 18 feet above the Durroch Coal. 



