146 TYFEACE^. 



2. T. angustlfolla Linn. 



Ditches, and lake margins — very rare, and now lost in several of the 



old stations. Fl. July. 



Down — Lough Henney near Saintfield {Campbell) ; Flor. Sib. On the 

 west side of Long Lough three miles north of Ballynahinch ; 

 S.A.S., 1884. 



Antrim — In a ditch on the right hand side of Carrickfergus road ahout 

 200 yards above the Milewater ; Templeton, 1818 (loc. now 

 obsolete) . Abundant by the shores of the lough at Portmore, 

 and by Lough Neagh at Selshan ; Cyb. Hib. Not seen re- 

 cently in the latter locality, but re -discovered at Portmore, by 

 Rev. H. W. Lett, in 1882. 



SPARGAXriUM Linn. £us Eeed. 



X. S. raznosum Hudson. 



Ditches, and margins of sluggish streams — common. Fl. mid. June 

 till end of July. 



2. S. simplex Hudson, 



Ditches, slow streams, and lake-margins — frequent. Fl. July and 



till mid. Aug. 



Down — "Watery places in the Ards ; Templeton, 1806. Lakes near Bally- 

 nahinch ; G. C. Hyndman. Ballyalloley ; Flor. Belf. Deixy 

 Lough north of Ballynahinch, Monlough, and Saintfield 

 lakes; S.A.S. Ballykinler, Crossgar, and Dundonald ; 

 R.Ll.P. 



Antrim — Bog meadows ; Templeton. Near Belfast ; Flor. Hib. Lagan- 

 side ; Flor. Ulst. Several places by Lough Neagh, as Port- 

 more, Crumlin waterfoot, Ballinderry, and north of Toome ; 

 S.A.S. 



Derry — By the Bann, and at Ballyamot near Derry ; D.M. Lough Beg 

 near Toome; S.A.S. 



3. S. natans Linn. 



Rivers, and lakes— rare. Fl. from early in July till late in Aug. 



Down — Castlewellan Lake ; Templeton, 1808. Annsboro' Lake northeast 

 of Castle wellan ; S.A.S. 



Antrim — Drains at Portmore; Dr. Scott {fide Templeton). Cranmore; 

 Templeton, 1803. Lakes near Fairhead ; Cyb. Hib. Plenti- 

 ful in the Sixnulewater where it empties into Lough Neagh ; 

 S.A.S. 



Derry — In Lough Beg, and plentiful in the Bann above Kilrea; D.M. 

 Ballyamot Lake ; Flor. Ulst. 

 The long floating leaves so abundant in the Lagan, and some other 



