828 



NAIADACEiE 



[Rtippia 



Kerry S. 

 Kerry JS". 

 Cork W. 

 Cork Mid 

 Cork E. 

 Waterfd. 



8 Limrck. 



9 Clare 



12 Wexford 



15 Galw. SE. 



16 Galw.W. 



17 Galw.NE. 



20 "Wicklow 



21 Dublin 



27 Mayo "W. 



28 SHgo 

 31 Lonth. 



34 Dongl. E. 



35 Dongl. W. 

 38 Down 



40 L'derry 



Ruppia rostellata Koch. 



Census 21— East 9, Centre 1, West 11. 



Derrynane '00 : frequent — Scnlly. 



'Neav Bally bunnion '94 : fi'eqnent — Scnlly. 



Skibbereen, &c., '96 : frequent — Phillips. 



Eochestown '98 : frequent — Phillips. 



Dunkettle and Toughal '00 : fi'equent — Phillips. 



Dungarvan and Tramore '99 — P. Clonea — Hart j8^^ 



Eoynes '85-6 — Stewart S6j. 



Lehinch '00— E. D. O'Brien ! Kilrush— Stewart 86j. 



Wexford Hbr. c. '97 — Marshall. Eaven Point — J84. 



Kilcolgan and Oranmore '99 — P. 



Seaweed Point near Barna '99 — P. 



BaUyloughaun '99— P. 



Arklow '94— P. 



Near Corballis '00 : local — Colgan. 



I^ewport '99— Marshall. 



Ballysadare '97— P. 



Greenore '00— P. 



Mouth of the Erne, Yowell— Cy^. II. 



Letterkenny, Glen Bay, &c. : fi'equent — Fl. Bon. 



Blacksta:ff Bridge near Kircubbin '90 — P. 



Mouth of Eiver Bann '94— P. 



Commoner in the south than in the north. 



Zannicliellia palustris L. Horned Pondweed. 

 Census 17 — East 8, Centre 4, West 5. 



2 Kerry 'N. JSTear Tralee '94 ; rare — Scully. 



3 Cork W. Skibbereen '96 : frequent on the coast — PhilKps. 



4 Cork Mid Blackrock '98 : frequent near the sea — Phillips. 

 6 Cork E. Toughal and Glanmire '00 : fi-equent — Phillips. 

 6 Waterfd. Clonea '82— Hart jc?^. 



8 Limrck. Einekirk '85-6 — Stewart 86 j. 



9 Clare Inishmore '90 — Nowers and Well»-.65i-. 



12 Wexford Wexford '97 — Marshall. Erequent on south coast. 



20 Wicklow West of Wicklow (J. Ball)— Briggs '76506. 



25 Eoscomn. Near Kiltoom on Lough Eee '85-6 — B. & Y. iij. 



26 Mayo E. Cong '95— M. & S. S4S- 



34 Dongl. E. Buncrana (J. Hunter), Inch — Fl. Bon. 



