142 Scientific Proceedings, Royal Dublin Society. 



Juncns tnaritimus (Sm.) — Frequent. 



J. compressus (Jacq.) — Common. 



J. acutus (Linn.) — Along the whole east coast of Wexford where suit- 

 able extent of sand-hills occur, and occurring also on the Water- 

 ford coast at Tramore and Dungarvan, but not on the south coast 

 of Wexford, This handsome rush extends north nearly as far as 

 Wicklow Head. It is more abundant south of Cahore Point, in 

 Wexford, than in its other localities. It also occurs, sparingly, in 

 Cork. 



J. glaucus (Ehrh.) — Frequent. 



Alisma ranunculoides (Linn.) — \ 



Triglochin maritimum (Linn.) — > Clonea, Waterford. Common. 



Typha latifolia (Linn.) — / 



Arum maculatum (Linn.) — Abundant in thickets on sand-hills, as at 

 Courtown. 



Potamogeton pectinatus (Linn.) — Lady's Island Lake and Orossfarnoge, 

 Wexford ; Clonea, in Waterford. Local. 



P. pusillm (Linn.) — Thriving in brackish water with the last species. 

 Frequent. 



Ruppia maritima (Linn.), var. rostellata. — Eaven Point, Wexford ; 

 Clonea, Waterford. 



Zannichellia palustris (Linn.) — Lady's Island Lake, Wexford ; Clon6a, 

 Waterford. 



Zostera marina (Linn.) — In the estuaries, abundant. 



Scirpus maritimus (Linn.) — Frequent in brackish places ; usually the 

 first symptom of a river's having been influenced by the tide. 



8. taherncemontani (Gm.) — Morris Castle, Lady's Island Lake, in Wex- 

 ford ; Clonea, in Waterford. 



8. savii (S. et M.) — Eaven Point, Lady's Island" Lake ; and Saltee 

 Island, in Wexford. 



Careoo arenaria (Linn.) — Abundant. 



C. vulpina (Linn.) — Frequent. 



C. paniculata (Linn.) — Clonea, Waterford. 



C. acuta (Linn.) — Ballymadder, in Wexford ; Clonea, Waterford. 



C. pendula (Huds.)-^Duffcarrig and Courtown, Wexford. 



C. extensa (Good) — Eaven Point, Eosslare and Saltee Island, in 

 Wexford ; Waterford, in several places in the estuaries. 



C. distans (Linn.) — Frequent. 



C. riparia (Curt.) — Near Kilmichael Point ; and near Morris Castle, 

 on Wexford coast. 



