274 



Rev. Eugene O'Meara, A.M. 



Synedra. Ehr. 



„ crystallina. Lyngb. . 



,, fulgens. Grev. 



„ superba. Kiitz. 



,, amphicephala. Kiitz. . 



„ investiens. ¥m, Sm. 



,, acuta. Kiitz. 



„ tenuissima. Kiitz. 



gracilis. Kiitz. 

 lunaris. Ehr. 



biceps. Kiitz. , 



pulcliella. Kiitz. 

 var. gracilis. ¥m. Sm. 

 var. acicularis. Win, 



Sm. 

 var. lanceolata. "Win. 



Sm. 

 var. linearis. Wm. Sm. 



capitata. Ehr. 



ulna Ehr. 



var. oxyrhynchus. Kiitz 

 var. amphirhynchus. 



Ehr. 

 longissima. Wm. Sm. 



splendens. Kiitz. 



var. radians. Kiitz. 

 salina. Wm. Sm. 

 Gallionii. Ehr. 

 spathulata. O'Mear; 

 barbatula. Kiitz. 

 tubulata. Agardh. 



arcus. 



Kiitz. 



„ affinis. Kiitz. . 



„ Nitzschoides. Grunow. 



„ putealis. O'Meara, 



„ Smithii. O'Meara, . 



Salt Hill, co. Dublin. 



Mala hide, Dublin Bay. 



Malahide, co. Dublin. 



Kilcool, Powerscourt, co. Wicklow. 



Malahide, Kingstown Harbour, Salt 



Hill, co. Dublin. 

 Friarstown, Malahide, St. Fenton's 



Well, Sutton, co. Dublin. 

 Bohernabreena, Dundrum, St. Fenton's 



Well, Sutton, co. Dublin. 

 Salt Hill, co. Dublin. 

 Lucan, co. Dublin. Glencree, Glen- 



malure, co. Wicklow. 

 Killakee, co. Dublin. Carrickmacreilly, 



co. Wicklow. 

 Kilcool, co. Wicklow. 

 Blackcastle, Newcastle, co. Wicklow. 

 Kilcool, Blackcastle, co. Wicklow. 



Howth, co. Dublin. Kilcool, Black- 

 castle, co. Wicklow. 

 Malahide, co. Dublin. Blackcastle, co. 



Wicklow. 

 Lucan, Dundrum, co. Dublin. Kilcool, 



co. Wicklow. 

 R. Dodder, co. Dublin. Ditch near 



town of Wicklow. 

 R. Dodder, co. Dublin. 

 Bohernabreena, B. Dodder, co. Dublin. 



Greenane, Powerscourt, co. Wicklow. 

 Malahide, St. Fenton's Well, Sutton, 



co. Dublin. Ditch near town of 



Wicklow. 

 Lucan, Friarstown, Bohernabreena, 



Malahide, co. Dublin. 

 Friarstown, co. Dublin. 

 Malahide, Clontarf, co. Dublin. 

 Malahide, Howth, co. Dublin. 

 Well, Newcastle Lyons, co. Dublin. 

 Salt Hill, co. Dublin. 

 Malahide, co. Dublin. Newcastle, co. 



Wicklow. 

 Malahide, Monkstown, co. Dublin. 



Bray, co. WickJow. 

 Malahide, Clontarf, co. Dublin. 

 Bush, co. Dublin. 



St. Fenton's Well, Sutton, co. Dublin 

 St. Fenton's Well, Sutton, co. Dublin. 



