The Mosses and Hepatics of Denbighshire. 325 



Hypnum squarrosum B. and S. ; abundant. 

 H. triquetrum B. and S. ; frequent. 



HEPATICS. 



*Riccia crystallina L. ; Gresford. 



* Ricciocarpus nutans (L.) Corda ; pond near Rossett, legit 



Dr. Thomas, of Chester. New to Wales. Specimens of 

 this interesting hepatic were exhibited at a meeting of 

 the Liverpool Botanical Society in July, 1917, by the 

 finder. The President, Mr. W. G. Travis, kindly sent me 

 a few fronds for examination. 

 *Reboulia hemisphcerica (L.) Raddi. ; Minera, Nant y Ffrith. 



* Conocephalum conicum (L.) Dum. ; Gresford, Glasgoed, 



Minera. 



* Lunnlaria cruciata (L.) Dum. ; Glasgoed, Gresford, Brynteg. 

 *Preissia quadrata Scop. ; World's End. 



*Marchantia polymorpha L. ; c.fr., Nant y Ffrith (Watson, 



Duncan and Jones). 

 Anenra pinguis. (L.) Dum. ; Berwig, Minera, Nant y Ffrith, 



World's End, Eglwyseg Rocks. 

 *A. multifida (L.) Dum. ; Eglwyseg Rocks. 

 A. major (Lindb.) K. Mull. ; Nant y Frith. 

 Metzgeria jurcata (L.) Lindb. ; Nant y Ffrith, World's End, 

 Minera. 

 *M. pubescens (Schrank) Raddi ; Nant y Ffrith, Minera 



(Duncan, Watson and Jones), World's End. 

 *Moerckia Flotowiana (Nees) Schiffn. This rare and interesting 

 hepatic is not uncommon on the sandhills of North Wales. 

 It grows on calcareous soil at Berwig and Minera. In 

 August 1907, I gathered it at Burbage, in Derbyshire, in 

 a similar habitat to the latter. 

 Pellia epiphylla (L.) Corda ; well distributed in the district. 

 *P. Fabbroniana Raddi ; Minera, Nant y Ffrith, Eglwyseg, 

 World's End, Gresford. Var. Horea Nees ; Nant y Ffrith, 

 World's End— in extensive sheets in the latter locality. 

 *Blasia pusilla L. ; Minera, Nant y Ffrith. 

 Marsupella emarginata (Ehrh.) Dum., 10 ; Minera. 

 Alicularia scalaris (Schrad.) Corda, 10 ; Minera, Berwig, 



Nant y Ffrith, Eglwyseg Rocks. 

 *Ettcalyx hyalinus (Lyell) Breidl., 10. 

 Haplozia crenulata (Sm.) Dum., 10 ; Minera. Var. *gracillima 



(Sm.) Heeg ; Minera. 

 H. cordifolia (Hook.) Dum., 10. 



H. riparia (Tayl.) Dum., 10 ; Nant y Ffrith, World's 

 End. Var. *rivularis Bern. ; World's End (Ingham and 

 Jones). 

 Gymnocolea inflata (Huds.) Dum. ; common on Minera 

 Mountain. 



1917 Oct. 1. 



