Stewart — List of Mosses of North-East of Ireland. 65 
175. Tortula hornschuchiana. Schultz . 
Very rare. ‘ ‘ On the walls of the old castle at Carrickfergus, Co. Antrim.” — • 
Moore, Proc. R. I. Acad., Series II., Vol. I., No. 8. I have collected a moss 
growing on Carrick Castle, which seems to be this species, but I could find no 
fruit. Dr. Moore inlorms me that this moss was named T. gracilis by the late 
Dr. Taylor. 
176. T. revoluta. Schwaeq. 
On walls — common. Carrickfergus, many places about Belfast, Derriaghy 
(Antrim) ; Donaghadee, Carrowdore (Down). — S.A.S. 4-5. 
177. T. CONYOLUTA. Hedw. 
Old walls and quarry debris — not uncommon, abundant where it occurs. 
Knockagh (Antrim) ; wall on Castlereagh Hill, quarry heaps Moira, in the 
greatest profusion on old walls near Legacurry, Hillsborough, walls Ban- 
bridge (Down). — S.A.S. 4-6. 
178. T. UNGUICULATA. Hedw. 
Clay banks, stone dykes, quarry heaps, and sometimes on walls — very 
common. 12-4. 
179. T. muralis. limm. 
Walls and rocks — the commonest moss in the district. 1-5. 
Var. D. rupestris. A well marked form, and usually much larger — fre- 
quent on rocks in hilly districts. 
180. T. LAMELLATA. Lindb. Pottia cavifolia, var. gracilis. Bryol. Brit. 
In small quantity on ditch bank by roadside between Millisle and Bally- 
waiter (Down). — S.A.S. In fruit, 2nd February, 1874. 
181. T. aloides. Br. and Schimp. 
Clay banks and walls — not common. On trap debris near Blackhead and 
the Gobbins, ditch bank a little north of Trooper’s Lane Station (Antrim) . 
wall of bridge close to Dundonald Station, wall Ballylesson, clay bank near 
Drum Bridge, stone dyke People’s Park, clay bank on roadside near 
Groomsport (Down). — S.A.S. 9-1. 
182. T. ambigua. Wils. 
Debris of rocks, and sometimes on ditch banks. Squire’s Hill. — Mr. H. 
Knight. Limestone debris, Whitewell ; on new red sandstone, Derriaghy (An- 
