Sparganium.'] TTPHACE^. 307 



BxM. In the lake at Sandymount (a variety smaller than 

 usual) Fhr. Hib. ■ Marshes near Irishtown ; Ir. Flor. 

 (Extinct in some, if not all, of these stations). — 12. In 

 Lough Hanay, between Lisbum and Saintfield ; Flor. nib. 

 Ditch by the Carrickfergus road at the turnpike gate near 

 Belfast (probably extirpated) Flor. Ulst. Abundant on the 

 shores of Portmore Lake, Antrim, and at Selchin by Lough 

 Neagh; D.M. 



SPARQANIUM Linn. 

 1. S. ramosum (Huds.) — Branched Bur-reed. 

 Districts 123456789 10 11 12 

 Lat. 51°-56°- Throughout Ireland. 

 Type in Great Britain, British. 



Ditches, pools, &c. ; frequent. Fl. July. 



2. S. simplex (Huds.) — Unhrancked Bur-reed. 

 Districts 12-45--89 10 1112 

 Lat. 51°-56°- Throughout Ireland. 

 Type in Great Britain, British, inclining to English. 



Ditches, streams, canals, lakes, &c. ; not unfrequent. Fl. 

 July. 



A form with long floating leaves, and which seldom 

 flowers, is not uncommon in canals and rivers, and has often 

 been mistaken for " S. natans." 



3. S. natans (Linn.) — Floating Bur-reed. 

 Districts -------8-- 11 12 



Lat. 53°-56°. "West and North of Ireland. 

 Type in Great Britain, British [Scottish]. 



Lakes in mountainous districts ; local and rare. Fl. 

 August. 



8. Not unfrequent in the lakes near Eoundstone in Con- 

 nemara ; D. M. — 11. Lakes near Slieve League and Lough 

 Drimly near CuldafF, Donegal ; Flor. Ulst. — 12. Lakes near 

 Fair Head, Antrim ; D. M. 



Some other localities, given in the "Flora of Ulster," 

 require to be re-examined. 



