The Mosses and Hepatics of Denbighshire. 323 



Neckera crispa Hedw., 1, 3, 7 ; Berwig, Nant y Ffrith, Minera. 



Va.r.*falcata Boul., I, 3, 7 ; World's End. 

 N. complanata Hiibn., 1, 3, 7 ; Gresford, Minera. 

 Leucodon sciuroides Schwaeg., 3, 4, 7 ; Eglwyseg Rocks, 



Llandegla, on trees (Wilson, Duncan and Jones). 

 Pterygophyllum lucens Brid. ; Minera. 

 Porotrichum alopecnrum Mitt., 1,2,7; River Dee at Llangollen, 



Nant y Ffrith. 

 *Leskea polycarpa Ehrh. ; Gresford. 

 Anomodon viticulosus Hook, and Tayl., 7 ; Eglwyseg Rocks, 



Wrexham. 

 Heterocladium heteropterum B. and S. ; Minera. 

 Thuidium tamariscinum B. and S. ; not uncommon. 

 *T. delicatulum Mitt., 1, 7 ; probably the moss found in the 



part of the district marked 7 is T. Philiberti. 

 *T. Philiberti Limpr. ; Berwig, Minera. 

 Climacium dendroides Web. and Mohr, 1 ; Minera. 



* Cylindrothecium concinnnm Schp. ; Minera (Knight and Jones). 



* Orthothecium intricatum B. and S ; Minera. 

 Camptothecium sericeum Kindb. ; frequent and generally 



distributed throughout the district. 

 C. hitescens B. and S., 1, 7 ; Wrexham, Berwig. . 

 Brachythecium albicans B. and S., 1, 3. 

 B. rutabulum, B. and S. ; frequent. Var. *plumosulnm Bry. 



Eur., 5. 

 B. rivulare B. and S., 5 ; Nant y Ffrith, Minera. 

 B. velutinum B. and S., 1, 2, 4 ; Nant y Ffrith. 

 B. popaleum B. and S., 1, 5 ; Wrexham, Cyrn y Brain. 

 B. plumosum B. and S., 1, 2 ; Glasgoed, Nant y Ffrith, 



Minera. 

 B. purum Dixon, 1, 5, 7 ; not uncommon in the remaining 



parts of the district. 

 Eurhynchium crassinervium B. and S., 2, 3, 7 ; Minera. 

 E. prcelongum Hobk., 1, 2 ; Nant y Ffrith, Minera, Cyrn y 



Brain. Var. *Stokesii Brid., 1, 8. 

 E. Swartzii Hobk., 1, 2, 4, 7 ; Gresford. 

 *E. piimilum Schp., I, 2. 

 *E. Teesdalei Schp. ; Gresford, Nant y Ffrith, World's End. 



The fertile plant grows freely on boulders and rocks in 



the stream that flows from World's End. 

 E. tenellum Milde, 1 ; Gresford, Nant y Ffrith. 

 E. myosuroides Schp., 1 ; Minera, on rocks. This common 



moss is found in great abundance on trees in the counties 



of Merioneth and Carnarvon. Its extreme rarity in this 



part of Denbighshire is no doubt due to the injurious 



effects of smoke. Var. *rivulare Holt, 2, 4. 

 E. myarum Dixon, 1, 4, 5 ; Minera. 

 E. striatum B. and S., 1, 3, 5, 8 ; Wrexham. 



1917 Oct. 1. 



