Mosses of the Counties of Dublin and Wicklow. 231 



orbicularis, Br. et Sch. Bryol. Europ., vol. 3. Monogr., p. 13, t. 



240. Broyl. Brit, p. 154, t. 45. D. On the faces of walls in 



warm situations ; wall by the roadside leading to Dublin from 



Stillorgan. 

 spiralis, Hook and Taylor. Muscol. Brit., p. 69. Dryoptodon 



spiralis, Bridel. Broyl. Univ. 1, p. 772. W. On rocks at 



Upper Lough Bray. (Barren.) 

 torquata, Greville. Scot. Crypt. Fl., ft. 199. G. torta, Nees et 



Hornsch. Bryol. Brit., p. 156, t. 32. W. On moist rocks near 



the summit of Sugarloaf Mountain, 

 trichophylla. Greville. Scot. Crypt. Fl. t. 100. Dicranum pul- 



vinatum, var. argenteum, Turn. Muse. Hib., p. 78. W. On 



rocks where the river is crossed going from Luggelaw to Lough 



Dan. D. On the mountains. Frequent. 

 Schultzii, Bridel. Bryol. Univ., 1, p. 199. Bryol. Brit., p. 157, t. 



45. Trichostonium patens, Var. piliferum. Muscol. Brit., p. 



105. D. Bocks at Luggelaw. D. Near the Scalp, 

 patens, Br. et Sch. Bryol. Europ., vol. 3. Monogr., p. 18, t. 246. 



Trichostomum patens, Schwasgr. Suppl., t. 37. W. Moist 



rocks at the Waterfall, Powerscourt. 

 ovata, Web. et Molir. Bryol. Brit., p. 160, t. 13. Muscol. Brit, 



ed. 2, p. 71. D. On rocks, Hill of Howth, and Killiney Hill. 



(Barren.) 



Schistidium, Br. et Schimp. 



maritimum, Br. et Sch. Bryol. Europ. Monogr., p. 10, t. 255. 

 Bryol. Brit, p. 151, t. 13. Grimmia maritima Turn. Muse. Hib., 

 t. 3, p. 2. On rocks close to the sea, D. W. Common. 



Ptychomitrium, Br. et Schimp. 



polyphyllum, Br. et Schimp. Bryol. Europ., vol. 3. Monogr. p. 

 4, t. 229. Bryol. Brit., p. 173, t. 19. Trichostomum poly- 

 phyllum, Turn Muse. Hib., p. 35, t. 7. W. On rocks at Lough 

 Bray. D. Near the Scalp, and at Killake. 



Racomitrium, Bruch et Schimp. 



canescens, Bridel. Bryol. Univ., 208. Bryol. Brit., p. 170, t. 

 19. Trichostomum canescens Hedw., St. Cr., 3, t. 3. Eng. Bot. 

 t. 2534. W. Damp sandy ground, and among rocks fre- 

 quent. D. In similar places frequent. 



lanuginosum, Bridel. Bryol. Univ., 1, p. 215. Bryol. Brit, p. 

 169. t. 19. Trichostomum lanuginosum Hedw. Turner Muscol. 

 Hib., p. 38. W. On heaths and on the roofs of thatched houses 

 in continuous layers. D. In similar situations. Common. 

 In both places. 



heterostichum, Bridel. Bryol. Univ., 1, p. 214. Bryol. Brit., p. 

 163, t. 19. Trichostomum heterostichum Hedw., Smith, Eng. 

 Bot., t. 1347. W. Among rocks and on walls, Lough Bray 

 and Seven Churches. D. In similar places. Frequent. The 

 varieties /3. alopecurum, y. gracilescens, S. pumilum occasionally 

 occur in both counties. 



R2 



