26 



THALLOPHTTA. 



Thinnfcldia rliomhoidcdh, Ett. 



have not seen any specimens which 

 conform to the characters of these- 



Loinatopteris jurensis, Kurr. = 



Warwickshire. (Zone of A. plan- 



oriis.) 

 Macntcsniopteris aspUnioides, Ett. 



Dorsetshire. (Lower Lias.) 

 Faehyptens, sp. 



Dorsetshire. (Lower Lias.) 

 Equisetites Brodiei, Buck. 



Gloucestershire and Worcestershire. 



(Lower Lias.) 

 Chara liasslca, iioore. 



Somersetshire. 

 Chondrites bollensis, Quen. 



Somersetshire and Oxfordshire. (Zone 



of A. serpentinus.) 

 Fhymatoderma liassicum, Schloth. 



Dorsetshire. (Lower Lias.) 

 Fucoids. 



Somersetshire, Gloucestershire, and 



Northamptonshire. 



The majority of the Liassic plants have been found in Dorsetshire- 

 and East Yorkshire, but, as noted in the above list, a few species 

 are recorded from other counties. The species of Chara mentioned 

 in "Woodward's list as of doubtful origin was recorded by Moore ' 

 from Charterhouse ; he mentions a single ' seed-vessel,' but does 

 not publish a drawing. 



For the sake of convenience all the Liassic species are dealt with 

 together ; they are arranged botanically and not geographically. 



(Described under the Ehsetic plants,, 

 p. 12.) 

 Mr. H. B. Woodward notes that the 

 horizon is douhtful. 



Valueless as records of Algae. 



Class THALLOPHYTA. 



The Museum collection does not include any specimens that are- 

 worthy of record as fossil Algse. In their work on the Lias of the- 

 Yorkshire Coast, Tate & Blake institute two names for fossils 

 which they regard as algse. The type-specimens of their two- 

 ' species,' Chordophyllites cicatrioosus and JVulUporiies furoillatus,- 

 which are in the Jermyn Street Museum, should not, in my opinion, 

 be included in any list of undoubted plants. The cast named 



Moore (67), p. 538. 



Tate & Blake (76), pp. 156, 233, pi. xiv. figs. 7, 9. 



