Manchester Memoirs, Vol. xlvi. (1902), No. 0. 



IX. On Xenophyton radiculosum (Hick), and on a 

 Stigmarian Rootlet probably related to Lepi- 

 dophloios fuliginosus (Williamson). 



By F. E. Weiss, B.Sc, F.L.S., 



Professor of Botany, Owens College, Manchester. 

 Received and read /aniiary 21st, igo2. 



I. XenopJiyton radiculosinn (Hick). 



In a paper read before the Linnean Society of London, 

 in 1 89 1, my late colleague, Mr. Thomas Hick, described 

 a new fossil plant, found by W. Cash, Esq., at the Cinder 

 Hills, Siddal, near Halifax, to which he gave the pro- 

 visional name of TylopJiora radiculosa, afterwards altered 

 to Xenophyton radiailosiim. Hick felt in some doubt as 

 to its systematic position, but Professor Williamson, to 

 whom he showed the specimen, was of the opinion that its 

 affinities were with Stiginana, of which he considered it 

 might be a new type. This view was, however, not 

 adopted by Hick on account of certain differences which 

 the specimens presented when compared with the well 

 known stigmarian types, and he preferred to leave its 

 relationship an open question. This uncertainty as to its 

 nature, and the fact that no further specimens of this 

 plant have been discovered, are probably the reasons why 

 it has received so little attention. A number of transverse 

 and longitudinal sections of this fossil, prepared by Mr. 

 James Lomax, and representing the material investigated 

 by Hick, came into the possession of the Manchester 

 Museum by the purchase of the Hick and Cash Collections 



March loth, igo2. 



