CRTTCIFER^. 11 



a marshy wood by the lough shore one mile south of Antrim ; 

 S.A.S. 

 Deny — By the river in Castledawson Demesne, and at Artrea near Toome ; 

 D.M. First recognised in Ireland by D.M. 



SZSTMBBZUM Linn. 



1. S. officinale {Linn.) Scop. Hedge-mustard. 



Waste ground, and roadsides— very common. Fl. mid. May till mid. Aug. 



2. S. sopbla Linn. Flixweed. 



Waste grovmd — very rare. Fl. July and Aug. 

 Antrim— Near Carrickfergus ; Templeton, 1812. Quarry spoil-bank at 

 Magheramome ; S.A.S. Possibly not native, but thus known 

 to be established in this part of Antrim for 75 years. 



3. S. thalianum {Linn.) Gaud. Wall Cress. 



Walls, and dry basaltic rocks— not common. Fl. April and May. 



Ascends to nearly 1000 feet on the hills. 



Down — Walls of ancient abbey and graveyard at Movilla ; S.A.S. 



Antrim— On the Deer Park waU, and rocks below the Cave Hill; Tem- 

 pleton, 1797. South face of Black Mountain, and old walls 

 at Carrickfergus ; Flor. Ulst. East face of the Knockagh ; 

 B.N.F.C., 1865. Cave Hill above Whitewell, rocks at Car- 

 rick Castle, and Blackhead, also sparingly on rocks at Ushet 

 in the Island of Rathlin ; S.A.S. 



Derry — Frequent in the neighbourhood of Coleraine ; D.M. 



4. S. alliaria Linn. Jack by the Hedge. 



Roadsides and hedge banks— frequent. Fl. mid. May till mid. July. 



Down — Lambeg ; G. G. Hyndmayi, 1832. Eostrevor ; Miss Eeid, also, 

 S.A.S. 



Antrim— Southwest corner of the deer-park, Belfast ; Templeton, 1797. 

 Woodbum, and Colin Glen ; Flor. Belf. Ballycastle, and 

 Shane's Castle; Flor. Ulst. Cave Hill tramway; T.H.C. 

 Glenavy, Antrim, Randalstown, BaUycarry Glen, Waterloo 

 near Lame, Glenarm, and Whitepark Bay near BaUintoy ; 

 S.A.S. Camlough; R.Ll.P. 



Derry — Base of Umbra rocks ; i).M. 



BRASSZCA Linn. 



1. B. campestrls Linn. 



Waste ground, and borders of fields, especially where damp— common. 



