Stewart— List of Mosses of North-East of Ireland. 6i 



142. Racomitrium heterostichum. Bridel. 



Rocks and stones on the hills — very common, from the mountains of Derry 

 to those of Down. 11 -3. 



143. R. fasciculare. Bridel. 



On rocks and stones in mountainous districts — common from Slieve Gallion 

 (Derry), to Slieve Donard (Down). 11-3. 



144 R. sudeticum. Br. and Sckimp. 



Rocks on mountains — rare. " Sparingly on Slemish." — Moore, Herb. 

 Coll. Sc. Dublin. Abundant on granite rocks Slieve Donard, from 1,000 feet 

 to the summit, on the earn at the top of Slieve Croob (Down). — S.A.S. 3-4. 



145. R. aciculare. Bridel. 



On wet rocks, and on stones in streams in hilly regions — common in Derry, 

 Antrim, and Down. 11-4. 



146. R. ELLIPTICUM. Br. and Schi??ip. 



On rocks — rare. ' ' On rocks at Fairhead." — Flor. Hib. ' ' Abundant on 

 Fairhead and Slemish." — Moore, Herb. Coll. Sc. Dublin. Meenard Mountain 

 (Derry). — S.A.S. I find this species still intermixed at Fairhead with G. Daviesii, 

 as mentioned by Dr. Taylor in Flor. Hib. On Slemish it is in considerable 

 abundance. 



147. R. PATENS. Bridel. 



Very rare. "In large tufts on Slemish Mountain ; baiTen." — Moore, Herb. 

 Coll. Sc. Dublin. 1 have seen it on Slemish, but not in fruit. — S.A.S. 



148. Grimmia leucophea. Grev. 



Rare. " On trap rocks near the Giant's Causeway, Antrim ; also, on a 

 similar rock in the island of Rathlin, 1837." — Moore, Proc. R. I. Acad., 

 Series II., Vol. I., No. 8. 



149. G. ovata. Web. and Mohr. 



Mountain rocks — very rare. In October, 1873, I found a few little tufts of 

 this moss in fruit, on stones at the summit of Sallagh Braes, near Larne (An- 

 trim) ; this is the only known instance of its occurrence in the North of 

 Ireland. 



