PnOF. C. C. BABINGTON ON THE FLOEA OF ICELAND. 325 



245. R. AcETOSA, Linn, — K, 



This is a common plant. I have seen it from Reykjavik, B. Breid- 

 dalsheidi^ Hd, Hafnarfjord, S. Steinstadr in Oxnadalr, B, G. 



Seythisfjord, Sy, 



246. R. AcETOSELLA, I/inn. — K. 



Common. I have seen it from Reykjavik, B., and Steinstadr, B, G. 



247. OXYRIA KKNIFORMIS, Hook, — K. 



Reykjavik. B. Stappen, Mk. Besserstad, Kr. SigluQord, T. Sf G. 

 Breiddalsheidi, Hd, Grimstunga, B. G. Saudarey (Suthrey) in 

 BreithjQord, Robert, Olafsijord, G. Skagafjord, Sy. ! 



248. Polygonum viviparum, Jjinn. — K. 



Reykjavik, B, In great abundance at Thingvellir, H. Akreyri, Ilal- 

 lorm-stadr-Hals, at the foot of Orcefa Jokull, near Myvatn, Hd. 

 Hafnarfjord, S. ! Holar, J5. G. Seythisfjord, SkagaQord, Sy. 



I have received specimens of it named P. Bistorta. 

 [P. BisTORTA, Linn.~H, 



A very doubtful native.] 



249. P. AMPHiBiuM, Linn. — K, 



In all the li^ts, I have no knowledge of its localities- 



250. P. Persicaria, Linn.—K. 



In all the lists. I have no knowledge of its localities. 



251. P. LAPATHiFOLiUM, Linn.— St, 



Steenstrup deposited an Icelandic specimen in the Herbarium 

 a.t Copenhagen. 



252. P. Hvdropiper, Linn.—K. 



In all the lists. 1 have no knowledge of its localities. 

 Vahl had doubts concerniug this plant and the two preceding 

 being natives. 



253. P. aviculare, Linn. ' " 



Common. I have seen it from Thingvellir and the Geysirs, R. Ak- 

 reyri, C. ! Reykjavik, Skagaijord, and Seythisfjord, Sy. ! 



Lange says that forms aiigtistifolium and latifoUum are in the 

 Herbarium at Copenhagen. 



[P. Convolvulus, Linn. — G. 



I know nothing of this, and it is not noticed by others.] 



254. KcENiGiA isLANDiCA, Linn. — K. 



Reykjavik, B. Geysirs and north foot of Laugerfell and Skalholt, //. 

 ^ B. G. Bessestcd, Sir J. Banks in Brit. Mus. Herb. Rangar- 

 velUr, Mk, Skagafjord, M. StadarfcII, St. Oefjord, Kr. My- 



