The following localities may briefly be mentioned :— Eostrevor, New- 

 castle, Copeland Island, Donaghadee, Newtownards, Greyabbey, Holy- 

 wood, Cave HUl, Antrim, Knockagh, Glenarm, Islandmagee, Rathlin, 

 Benbradagh, Moneymore, Ballyronan. " Frequent in Deny " ; D.M. 



CAIiTHA Linn. Marsh Marigold. 



1. O. palustrls Linn. Mayflower. 



Marshes, and margins of streams — common. Fl. mid. April tiU mid. 

 June. 



Order II. ia-YMPHJECE2:. 



n'YMPH.aCA linn. Water Lily. 



1. N". alba linn. "White Water Lily. 



Lakes, and slow streams — frequent in Down, and Deny— rare in Antrim. 



Fl. July and Aug. 



Down— Lough Leagh, 1797, and almost all lakes in County Down ; 

 Templeton. Bally drain ; Flor. Self. Shane's Lough near 

 Killyleagh; Proc. Belf. Nat. Field Club, 1876-7. BaUy- 

 alloley, Creevy Lough, and abundant in lakes near Crossgar, 

 and "Killyleagh ; S.A.S. Dam near Dromore ; C. Dickson. 



Antrim— Lagan Canal, and Lough Neagh ; Flor. TJlst. Portmore ; S.A.S. 

 Rathlin Island ; Froc. R.I.A., 1837, and 1884. 



Deny — Ballyamott Lake ; Ord. Surv. Londonderry. ** Abundant in most 

 of the lakes and rivers in Deny " ; D.M. 



irUPHAR Smith. 



1. N". luteum Smith. Yellow Water Lily. 



Lakes, streams, and deep ditches — frequent. Fl. mid. June till mid. 

 Aug. 



The yellow water-lily is commonly found associated with the preceding 

 species, but more frequent, and usually in greater abundance. "From 

 50, to 700 feet in Deny " ; D.M. 



