234 Davip Moors, PHD. F.LS. 
Weissia, Hedw. 
viridula, Bridel. Bryol. Europ., Vol. 1., Monogr., p. 5, t. 21. W. 
controversa, Hedw. Hook and Tayl. Muscol. Brit., p. 85. 
Bryol. Brit., p. 46, t. 15. W. Dry banks and waste places. C. 
D. In similar places. Common. 
cirrhata, Hedw. Sp. Musc., t. 12. Bryol. Brit, p. 47, t. 15. 
W. On rocks on Sugar-loaf Mountain, and Lough Bray. D. 
Hill of Howth, and at Killiney. 
verticillata, Bridel. Spec. Musce., p. 121. Bryol. Brit., p. 49, 
t. 15. Grimmia verticillata, Turner, Muse. Hib., p. 31. Eu- 
cladium verticillatum, Bryol. Europ., vol. 1, Monogr., p. 3, t. 40. 
W. On calcareous wet rocks, Lough Bray. D, On similar for- 
mation, near the sea, at Howth. 
Splachnobryum, C. Muller. 
Wrightii, C. Mull. Braithwaite, in “ Journal of Botany” for July 
1872, plate 123. Entosthodon minimus, Hunt in “ Manchester 
Lit. and Phil. Society’s Memoirs,” 11, p. 19, 1871. Ambly- 
phyllum hibernicum, Lindb. MS. On the walls and floors of a 
forcing plant pit, Botanic Garden, Glasnevin. This little moss 
has for several years been noticed growing annually within this 
limited locality. It is, no doubt, an alien which has been in- 
troduced with foreign plants from the West Indies, and become 
naturalised here, where it grows. 
Didymodon. Br. et Schimp. 
cylindricus, Br. et Schimp. Bryol. urop., vol. 2, Monogr. p. 5, 
t. 187. Trichostomum tenuirostre, Lindberg, Trichost, Europ. 
p- 15.  Weissia tenuirostris, Muscol. Brit., p. 83, t. 3. . W. 
On wet banks and rocks in the mountain streams Lough Bray 
and Powerscourt Waterfall. |D. In similar places, frequent 
among the mountains. 
rubellus, Br. et Schimp. Bryol. Europ. vol. 2. Monogr. p. 3, tab. 
185. Weissia curvirostra. Hook and Tayl., Muscol. Brit. p. 84. 
W. Wet banks and damp walls, frequent. D. In similar 
situations, frequent. 
Trichostomum. Br. et Schimp. 
flavovirens, Bruch. In Mull. Muse. Sardin. Bryol. EKurop., vol. 2. 
Monosgr., p. 6, t. 172. W. Sandhills near the sea. C. D. In 
similar places. Common. 
erispulum, Bruch et Schimp. Bryol. Europ.,-vol. 2. Monogr. 
p.* Ft. Lis Byrok, Brit,” p.s Lik sth as aDiodymodon 
crispulus. Tayl.in Fl. Hib., p.18. W. Rocks and banks, 
chiefly on limestone formation, frequent. .D. On similar forma- 
tion. Common. 
tophaceum, Br. et Schimp.  Bryol. Europ., vol. 2. Monogr. 
p- 9, t 175. Bryol. Brit., p. 113, tab. 20. Didymodon trifarium. 
Hook and Tayl. Muscol. Brit. ed. 2, p. 118, 20. W. On wet 
clay banks and on rocks, frequent. D. Frequent. 
