326 PROF. C. G. BABIKGTON ON THE FLORA OF ICELA:ND. 



vatn, T. 4- G. Ness, Esia, Reikium, Nupterijal, Oerebakka, Hlide' 

 rendi, Holte, S. 



Discovered in Icelaud (on clayey ground at Ness, Z*) by J. G. 

 Konig in a.d. 1765 (Linn. Mantis, 35). 



255. Empetrum nigrum, Linn. — K, 



Reykjavik, B. Hafnarfjord, Graufell, S. Siglufjord, Eyafjord, T. Sf G. 

 Orsefa Jokull, near Myvatn, Hd, 



** Used by Bishop Pal for making sacramental wine. Pal's 

 Saga, cap. ix.'* J5. G. 



[Euphorbia Peplus, Linn» — S, 



Solander saw this in Paulsen's herbarium. A possible but 

 not probable native.] 



256, Ceratophyllum demersum, Linn. — K. 



In all the lists. I know of no localities. 



257. Urtica urens, Linn. — K. 



Reykjavik, B, Eyjafjoril, B. G. Skagafjord, Sy. I 



It grows about the houses at Reykjavik, and was probably in- 

 troduced. Solander saw it in 1772 ; but Mohr took no notice of it 

 in 1786. Hooker observed it in 1811, and I saw it in 1848. 



258. U. DioiCA, Linn. — K. 



M. 



( 



on Platey in Breidifjord. I believe that they meant Z7. dioica^ 

 which seems to be the Brennu-netla of Iceland, and is the Bran- 

 natsla of Sweden. 



259. Callitriche verna, Linn. — K. 

 Hafnarfjord, S. Reykjavik. St. 



260. C. STAGNALIS, Scop.St. 



Reykholt, St. 



261. C. AUTUMNALis, lAnn. — K. 



Included in all the lists, I know of no localities. 



262. Betula nana, Linn.~K. 



Thingvellir, B. Kreisuvik, H, Eylifr, Vithidal, Myvatn, B. G. Eya- 

 fjord, T. ^' G. SkagaQord, Sy. I 



263. B. intermedia. Thorn, {in Rchb. FL Excurs,). 

 I>. alba ^. procumbens^ Sol. MS, B. fruticosa, V(fhl. 

 Abundant near Thingvellir, B. Stadarstad, M. . 



