140 



quarry, Sellack ; exceedingly fine. Stone, Great Doward (limestone), 1877, Ley. 

 An interesting plant which ought to be looked for in other parts of the county. 

 In Oxfordshire, Mr. Boswell informs me that it is confined to the damp walls of 

 old churches ; there are some in Herefordshire in a state of damp and decay, 

 which the bryologist ought to search before they undergo restoration. 



158. Barbula muralis. 1, 2, 3, 4, 7, 8, 10, 11, 12, 13, 14, Ubiquitous 

 on walls. Pembridge, Crouch. Sellack, Ley. 



The variety rwpestrw, Wils., is common on the limestone rocks of the 

 Great Doward. Wall-top, Kingsland, 1876, Ley. 



159. Barbula unguiculata. 1. 2, 3, 4, 7, 8, 10, 11, 12, 13, 14. Very 

 frequent and not at all particular in its habitats. Pembridge, Crouch. Sellack, 

 Ley. Generally to be found, if looked for, within a few yards of any spot where 

 the collector is standing. 



160. Barbula fallax. 1, 2, 3, 11, 13. Not rare. Titley, Crouch. 

 Limestone of the Great Doward, Ley. Variety brevifoUa. Lane banks, Back- 

 bury and Aymestry, 1876, Ley. 



161. Barbula recurvifolia. 2. Limestone ; rare. One spot in the 

 large quarry. Great Doward ; barren. Ley. In fruit, small quarry, Caplar, April 

 3, ISSO, Ley. 



163. Barbula rigidula (Didymodon). 2. Irrigated rocks. Great 

 Doward, abundantly, Watkins and Ley. No other locality known in the 

 District. 



164. Barbula spadicea. 2. Limestone walls near the Summer 

 House, Howie hill, February, 1880, Ley. Male plant. 



165. Barbula cylindrica. 1, 2, 3, 7, 8, 9. Abundant in Hereford- 

 shire, in every sort of situation. Fruiting, on wall-tops, Aymestry ; on stones 

 and stumps in the river mud, Sellack and near Kentchurch ; on garden paths, 

 Sellack. 



166. Barbula vinealis. 1, 2, 7, 10, 14. Hereford, collected by E. M. 

 Holmes, Esq., October, 1879. Treago ; base of cross, Sellack churchyard ; railway 

 cutting, Fawley station, abundantly ; wall, Llanthony, Ley. All barren. Wall- 

 top, near Mary Knowl, in fine fruit, October, 1880, Ley. Wall-tops, Wilton, near 

 Ross, abundant but barren, November, 1880, Ley. 



168. Barbula revoluta. 2, 8. Quite a rarity with us. Wall-top, 

 Great Doward, May, 1873, Ley. I have not seen it since. Wall-top, Norton 

 Canon, April 16, 1879, Ley. Barren, and in small quantities. 



169. Barbula convoluta. 1, 2, 3, 8, 10, 11. Very abundant on wall 

 tops ; easily known by its minute leaves and long pale fruit stalk. Sellack, 

 Breinton, Great Doward, Ley. 



171. Barbula tortuosa. 1, 2, 14. Chiefly on the limestone, but not 

 confined to it. Great Doward, abundant ; fruiting underneath shade. Mountain 



