322 THE MOSSES OF NORTHUMBERLAND 



FoNTiNALis ANTiPYRETicA, L. ChoUerford. 



Neckeba complanata, Hubn. ChoUerford. 



HoMALiA TRICH0MAN0IDE8, Brid. Chollerford. 



PoROTRiCHUM ALOPECURUM, Mitt. GunnertoD. 



Leskea polycarpa, Ehrh. Chollerford. 



Thuidium tamariscinum, B. and S. Crag Lough. 



Camptothecium sericeum, Kindb. Chollerford. 



Brachythecium rutabulum, B. and S. Chollerford. 



B. RivuLARE, B. and S. Housesteads. 



B. PLUMOSUM, B. and S. Chollerford. 



B. PURTJM, Dixon. Barcombe. 



EuRHYNCHiuM CRASSiNERViTJM, B. and S. ChoUerford. 



E. MYOSUROIDES, Schp. Barcombe. 



E. MYURUM, Dixon. Chollerford. 



E. STRIATUM, B. and S. Eoman Bridge, Chollerford. 



E. MURALE, Milde. The Chesters, Chollerford. 



E. RusciFORME, Mildo. Housesteads. 



Plaqiothecium elegans, SuU. Crag Lough. 



P. denticulatum, B. and S. Crag Lough. A small form 



with imbricated, scarcely complanate, very concave leaves, 



at Chollerford, at foot of tree. 

 B, silvaticum, B. and S. Eoman Bridge, Chollerford. 

 P. UNDULATUM, B. and S. Crag Lough. 

 Amblystegium serpens, B. and S. Chollerford. 

 A, FiLiciNUM, De Not. Chollerford cfr. 

 Hypnum riparium, L. Housesteads, 

 H. STELLATUM var. PROTENSUM, B. and S. On stone pier of 



Eoman Bridge, Chollerford. An entirely creeping form, 



growing flat on the stones. 

 H. UNCiNATUM, Hedw. Eoman Bridge, Chollerford. 

 H. cupRESsiFORME, L. Chollerford. 



H. CUPRESSIFORME var. ERicETORUM, B. and S. Crag Lough. 

 H. Patienti^, Lindb. Chollerford. 

 H. MOLLuscuM, Hedw. Housesteads. 

 H. palustre, L. In E, Tyne, Chollerford, with Grimmia 



apocarpa var. alpicola. 



[A striking form, which I have gathered on boulders partly submerged 

 in several of our rivers in subalijine districts, having a robust habit, 

 large falcate leaves, and especially characterised by the very stout, 

 single nerve, reaching well above two-thirds of the leaf. These ar? 



