S26 MR ROBERT KTDSTON ON THE FOSSIL PLANTS OF 



Cordaitese. 



Samaropsis, Goppert. 



Samaropsis nervosa, Kidston, sp. 



1894. Cardiocarpus nervosus, Kidston, Proc. Roy. Phys. Soc, vol. xii. p. 266, pi. v. figs. 3-5. 



Locality. — Homcliff Dean, near mill, River Tweed, S. of Horncliff village, 

 Northumberland. 



Horizon. — Cementstone series = Ballagan group. 

 Locality. — River Coquet, half mile N.N.E. of Holystone, Northumberland. 



Horizon. — Cementstone series = Ballagan group. 



Rhabdocarpus, Goppert and Berger. 



Rhabdocarpus curvatus, Kidston, n.sp. 



(Plate II. fig. 14 a, b, c, d.) 



Seeds oblong, blunt at both extremities, slightly curved, and bearing about eight 

 slight ridges on the exposed surface. 



Remarks. — All the specimens figured occur on the same block, — a, b, c all shown 

 in their relative position as they occur on the slab. The specimen d was some little 

 distance from the others. 



The seeds vary in size from 1'30 cm. to 2 cm. long, and from 0*50 cm. to 070 cm. 

 wide. 



Locality. — Lewis Burn, rather over 200 yards below Lewis Burn Colliery, North 

 Tynedale, Northumberland. 



Horizon. — Carbonaceous series = Scremerston group. 



Cordaicarpus, Geinitz. 

 Cordaicarpus planus, Kidston, n.sp. 



1883. (?) Cardiocarpus apiculatus, Kidston (non Goppert), Trans. Roy. Soc. Edin., vol. xxx. p. 545, pi. 

 xxxi. figs. 13, 13a. 



Small oval or pointed seeds, about 0'70 cm. long, and rather less wide. Surface 

 smooth, and surrounded by a narrow wing or border. 



These small seeds vary in form. At plate xxxi. fig. 13 (I.e.) is shown a specimen 

 terminating in a point, while that shown at fig. 13a is oval. These specimens occur on 

 a slab thickly covered with other examples of the same species. 



