Zoster a] 



NAIADACE^ 



329 



35 Dongl. W. Glen Head— i^. Bon. 



36 Tyrone By the Foyle '96— Miss Knowles. Ardtrea— i^/. Ulst. 



38 Down Holy wood, G. Dickie— i^/. Ukt. '64. 



39 Antrim Eiver Lagan, Corry — Fl. NE. 



40 L'derry Portstewart '00 — Miss Knowles. Frequent. 



The stations given for 2, 12, 20, 36 refer to Z. pahisU'is, sensu 

 restricto. Some of the other records may he referable to one or other 

 of the following segregates. 



Z. hrachystemon Gay. 

 Census 5 — East 2, Centre 1, West 2. 



2 Kerry IN". Castleisland '88, Scully— Cy5. II 



9 Clare Slieve Elva '96, Colgan— C'?/^. II. 



10 Tipp. N. Dromineer harbour '96 — Colgan. 



21 Dublin iN'ear Portrane '00 : local — Colgan. 



38 Down !N"ear Kircubbin '90 — P. Downpatrick '80 — Stewart. 



Z. pedtmculata Reichb. 



1 Kerry S. Castlegregory '94 : rather rare — Scully. 



2 Kerry IST. Banna '92 : rather frequent — Scully. 

 20 Wicklow Wicklow '97— P. 



38 Down 



Z. polycarpa ]S"olte. 

 Victoria Park '99 — P. Behind Queen's Quay — Stewart. 



Zostera marina L. Grass-wrack. 



Maritime and sub-maritime divisions all except 29 Leitrim, namely : — 

 1, 2, 3, 4, 5, 6, 8, 9, 11, 12, 15, 16, 17, 20, 21, 22, 27, 28, 31, 34, 

 35, 36, 37, 38, 39, 40. Common on muddy shores. 



Zostera nana Roth. 

 Census 7 — East 3, Centre 0, West 4. 

 2 Kerry N. Spa '94— Scully. 

 12 Wexford Locally abundant in Wexford Harbour '97 — Marshall. 

 16 Galw. W. Gentian Hill ! '00— Phillips. 



21 Dublin Portmarnock'97— Hart^oj. Baldoyle, More— C;j/Zi. I. 



22 Meath ISTanny River at Laytown '96— P. 



34 Dongl. E. Trawbreaga Bay '98— Hart 40^. 



35 Dongl. W. Axds abundant— -f7. Bon. 



Further exploration of mud-flats will probably yield other stations. 



