PROF. C. C. "nABT^^GTON" ON THE FLORA OF ICELAND. 345 



Betz considered tliat this was the plant intended by Konig, 

 who is the sole real authority for it.] 



433. Elymus arenarius, Linn. — K. 



On sand-hills m the deserts near Ilckla, between Hekla and Modru- 

 dalr, Grimstadr, Ifd. Hafnarfjord, Skalholt, Granfell, S. Ska^arnes, 

 Mk. Gronahlid, St. Myvatn, Ilusevig, Vapnefjord, M, Efferso, Sy. ! 

 Suthrey in Breidjfjord, Robert, 



Henderson saw the people cutting it on the Myrdalssandr. He 

 states that it is nowhere more plentiful than amongst the sand and 

 ashes which cover the ground along that part of the south coast. 

 Horrebow Q Nat. Hist. Iceland,' Engl. ed. 1758, p. 41) says that 

 "in the district of Skaftafel grows a sort of wild corn, of which 

 the inhabitants make bread, and, though growing wild, it is in 

 every respect as good as the Danish. This grows in sand, and 

 the seed that drops off sows itself. The straw they use to 

 thatch their houses.*' 



434. EciuiSETUM ARVENSE, Linn, — K. 



This is probably a common plant. It is very hirge at Uthlid, B. (r, 

 Reykjavik, Krisuvik, St. 



)3. RIPARIUM. 



Reykholt, St. 



* 



435. E, UMBROSUM, Willd. — B. 

 E. pratense, Linds. 



Thingvellir, jB. Reykjavik, Sy. ! Skjald-brcid, Hd, ! 



m 



436. E. SYLVATicuM, Linn. — K. 

 Copse near Laugarvatn, B, O, 



It is in all the lists. 



437. E. LiMosuM, Linn. — K. 



Vithimyri, Herathsvatn, B. G. ! Reykjavik, Kr. 



It is probable that K. and Z., from whom H., perhaps, took the 

 name, meant by E. fiumatile the form of E. limosum which is 

 thus named by the northern botanists. It is doubtful what 

 Vahl meant by E. fiuviatile, which he mentions as a doubtful 

 native. P. & Z. seem to co2:>y from him, but, nevertheless, give 



Zoega calls his E. flic- 



viatile "Elting;" Solander does the same, and his specimen 13 



lelandic E, fluviatile to 

 being included in most 



ama 



E. liinosum (Fries). 

 E. limosum^ notwiths 



of the lists. 



