FISSIDENTACE^. 199 



Derry— Very common in the county ; D.M. 



8. P. strlctum Banks. 



Mountain rocks — very rare, and no fruit seen. 

 Down — Slievemartin, and rocks on Slieve Donard called Blackstairs ; 

 H.W.L. 



Mentioned by Templeton as found by him, but no definite locality 

 stated. 



9. P. commune Linn. 



Woods, heaths, bogs, and stony banks— very common. Fr. April — 

 June. From sea level to 2700 feet. 



SERIES II. Order IX. FXSSZBEITTACSJE. 



FZSSZDEirS Hedwig. 



1. r. ezllls Hedwig. 



Damp ditch banks — very rare. Fr. Feb. and March. 

 Antrim — Ditch banks near Belfast; T. Drummond, Miisci Scotici, vol. 3. 

 Bank of a lane leading from Ballygomartin road, south of the 

 Forth Eiver, to the Black Mountain. The moss was only 

 observed, sparingly, on the south side of the lane near the 

 foot of the mountain ; S.A.S., March, 1880. 

 Not known to occur elsewhere in Ireland. 



2. F. puslllus Wilson. 



Sandstone, and Limestone rocks — very rare. Fruiting in spring. 

 Antrim — On fallen sandstone rocks on the east face of the Black Moun- 

 tain to the north of "Whiterock, and chalks rocks in Redhall 

 Glen; S.A.S. 

 The only Irish localities as yet known. 



3. T» bryoldes {Linn.) Hedwig. 



Damp, shady clay banks— very common. Fr. Nov.— March. 



4. F. osmundoldes (Swartz) Hedwig. 



Damp shady rocks, and wet stony heaths — rare. Fr. Feb. — April. 

 Down— Moist rocky places in Newtownards Park, quarter of a mile from 



