Dlatomacece of Dublin and Wicklow. 



26 o 



Himantidiuni. Ehr. 

 „ bidens. Ehr., 

 „ gracile. Ehr., 

 } , majus. Wni. Sm. . 

 „ nodosum. Ehr., 



Homeocladia. Agardli.. 



,, Martiana. Agardh, . 

 „ filiformis. Wm. Sm . 

 „ sigmoidea. Wm. Sm . 



Isthmia. Agardh. 



„ nervosa. Kiitz, 

 „ enervis. Ehr., 



Lichmophora. Agardh. 



„ flabellata. Agardh, . 

 ,, splendida. Grev. 



Lysigonium. Link. 



„ nummuloides.Vvni.Sm. 



„ Westii. Wm, Sm., . 



Mastogloia. Thwaites & Wm. 



Sm. 

 „ lanceolata. Thwaites. 



„ Danseii. Thwaites, . 



,, apiculata. Wm. Sm. 



„ \ Smithii. Thwaites, . 



„ Grevillii. Wm. Sm. . 



Melosira. Agardh. 



„ Borreri. Greville, 



,, subflexilis. Kiitz, 

 „ varians. Agardh, 

 ,, distans. Kiitz. 



Meridion. Agardh. 



„ circulare. Agardh, 



Navicula. Bory. 

 „ nobilis. Ehr. 



„ major. Kiitz. 



viridis, Nitzsch, 



Killakee, co. Dublin. 

 Powerscourt, co. Wicklow. 

 Rathdrum, Lugnaquilla, co. Wicklow. 

 Powerscourt, co. Wicklow. 



Monkstown, co. Dublin. 

 Howth, co. Dublin. 

 North Wall, co. Dublin. 



Malahide, co. Dublin. 

 Malahide, co. Dublin. 



Malahide, Howth, co. Dublin. 

 Sutton, Ballybrack, co. Dublin. 



Malahide, Dollymount, co. Dublin ; 



Salt Ditch near Wicklow. 

 Dollymount, Oyster Beds, Howth, co. 



Dublin; Salt ditch near Wicklow. 



Dollymount, co. Dublin; Kilcool, co. 



Wicklow. 

 Kilcool, co. Wicklow. 

 Dollymount, co. Dublin. 

 Kilcool, Greystones, co. Wicklow. 

 Kilcool, co. Wicklow. 



Malahide, Dollymount, Howth, co. 

 Dublin ; Salt ditch near Wicklow. 



Greystones, co. Wicklow. 



Common in fresh water. 



Killakee, Dundrum, co. Dublin; Kil- 

 cool, co. Wicklow. 



Friarstown, Killiney, co. Dublin ; Glen- 

 cree, co. Wicklow. 



Feather Bed Mountain, co. Dublin ; 



Lugnaquilla, co. Wicklow. 

 Killakee, Feather Bed Mountain, co. 



Dublin ; Arklow, Greenane, co. 



Wicklow. 

 Friarstown, Feather Bed Mountain, co. 



Dublin ; Greenane, Lugnaquilla, co. 



Wicklow. 



