212 TORTULACE^. 



Down — Sparingly on sandy ditchbank between Donagbadee and Millisle, 

 in good fruit on 2nd Feb , 1874 ; S.A.S. 



2. T. stellata [Schreb.) Lindb. (T. kigida SchuUz), 

 Damp rocks— very rare. Fr. Jany. and Feb. 



Down — Three capsules on rocks by the waterfall in Cregagh Glen, Feb., 

 1877, and sparingly at same locality in Jany., 1880 ; S.A.S. 

 Antrim — In Colm Glen a little above the new bridge ; D.M. 



3. T. erlcaefolla {NecTc.) Lindb. (T. ambigua B. ^ S.). 

 Eocks, and clay banks— rather rare. Fr. Jany. — March. 



Down— "Walls at Portavo, and Newtownbreda, also on clay banks at 



Scrabo; S.A.S. 

 Antrim — Plentiful on red sandstone rocks by the roadside north of 



Derriaghy church ; S.A.S. 



4. T. aloldes [Koch) Be Not. 



Damp clay banks, wall tops, and earthy ledges of rocks— frequent. 



Fr. Nov.— Feb. 



Down — Walls at Ballylesson, and Dundonald, also clay banks above 

 Groomsport church, ditch bank at Sydenham, and on grit rocks 

 in Cregagh Glen ; S.A.S. Narrow -water, and old quarry at 

 Magheralin; C.H.W. 



Antrim — On a moist clay bank among some firs opposite Newforge {Br. 

 Stokes, 1802) ; Temfleton. In the crevices of the stonework 

 at the lower end of the west side of the lock on the Lagan 

 canal, and on the north, and south walls of the BeKast Deer- 

 park ; Templeton {as B. rigidmn, E. B., 180). Colin Glen; 

 T. Brummond. Damp banks at Drumbridge, and on ledges 

 of Kmestone rocks all along the Belfast hills, as Black Moun- 

 tain, Cave Hill, and Whitewell, also on ditch bank near 

 Troopers' Lane, and basalt rocks north of Whitehead ; S.A.S. 

 SaUagh Braes; C.H.W. 



5. T. atrovlrens {Sm.) Lindb. Did. nervosus E. ^ T.). 

 Rocks near the sea — extremely rare. Fr. March — May {B.M.F,), 



Antrim — One small tuft collected on Rathlin Island ; S.A.S. 



6. T. muralls {Linn.) Hedw. 



Walls, and occasionally on dry rocks — very common. Fr. Jan. — June. 



Var. /3 RUPESTRis Schultz. 

 Dry rocks— frequent, especially on limestone, and basalt. 



7. T. subulata {Linn.) Redw. 



Dry shady banks, and occasionally on rocks, and trees — frequent Fr, 



