154 DR ROBERT KIDSTON ON THE 



according to their position on the axis. Occasionally the seeds appear as if enclosed in 

 bracts, and at some places a large subtending bract is present. 



These are the first British specimens of the kind which I have met with. 



Horizon and Locality. — Blue Measures, above Brooch Coal: Jubilee Pit, Sand- 

 well Park Colliery, West Bromwich. 



SEEDS. 



Samaropsis Goppert. 



Samaropsis Gutbieri Geinitz, sp. 

 PI. XVI. fig. 2. 



1855. Cardiocarpon Gutbieri, Geinitz, Vers. d. Stemkf. in Sachsen, p. 39, pi. xxi. figs. 23-25. 

 1888. Cardiocarpus Gutbieri, Kidston, Trans. Roy. Soc. Edin., vol. xxxiii. p. 403, pi. xxiii. fig. 5. 

 1893. ,, ,, Potonie^ Flora d. Rothl. v. Thiiringen, p. 254, pi. xxxi. figs. 15-19. 



1881. Cardiocarpus sclerolesta, Brongt., and Cardiocarpus sclerotesta minor, Brongt., Reciter, graines foss. 

 silic, p. 37, pi. A, figs. 5, 6. 



Description. — Winged cordate seeds longer than broad or broader than long, with 

 a sharp point and a rounded or notched base. Wing rather narrow, wider at base, and 

 gradually becoming narrower as it reaches apex. Nut lenticular in section. 



Remarks. — These seeds vary much in size and in the relative proportions of length 

 to width. According to Geinitz they attain a width of 2 cm., the same size as that 

 figured here ; but Potonie, who unites Cardiocarpon reniforme Geinitz # with Samar- 

 opsis Gutbieri, ascribes to them a width of 3-5 cm. 



Potonie has suggested that the specimens of Cardiocarpus major figured by 

 Grand'Eury t and Renault J may be isolated nucules of Samaropsis Gutbieri. This 

 is most probably the case, for in the small specimen I figured from the Radstock 

 Coal Field § the nucule lifts out of the matrix, and in form is identical with the 

 Cardiocarpus major, as figured by these authors, only slightly smaller. In my 

 specimen, however, the nucule when replaced in the little hollow in the matrix is seen 

 to have been surrounded by a wing which occurs as a stain on the stone. 



Horizons and Localities. — 



Shale over Brooch Coal : Holly Hall, near Dudley. 



Ten-foot Ironstone Measures : Clayscroft Openwork, Coseley, near Dudley. 



Roof of Thick Coal : Tipton. 



Samaropsis Meachemi Kidston, sp. 



1888. Cardiocarpus Meachemi, Kidston, Trans. Roy. Soc. Edin., vol. xxxv. p. 330, plate, figs. 5-7. 



Horizon and Locality. — Blue Measures, above Brooch Coal : Hamstead Colliery, 

 Great Barr, near Birmingham. 



* Dyas, p. 145, pi. xxxi. fig. 16, 1861-62. t Flore carbon, du depart, de la Loire, p. 235, pi. xxvi. fig. 16. 



X Flore foss. terr. houil. d. Commentry, part ii. p. 600, pi. lxxii. figs. 10, 11, 1890. § hoc. cit. 



