338 



THORODDSEN 



Armeria marilima, as also Luzula, Elyna, etc.; in damp home-fields 

 are found Caltha pahistris, Cardamine pratensis, Koenigia islandica, 

 Montia rwularis and different Carices. Moreover, a great many spe- 

 cies often immigrate from the plant-formations of the neighbourhood; 

 in some places, in badly kept home-fields, even swamp vegetation 

 and willow-coppices or heather may be met with in patches. The 





^m^mmM:^^<, 



Fig. 34. Outer edge of the home-field (tun) of the farmstead Hnausar in Valnsdal 

 Matricaria inodora and Capsella Bnrsa pastoris: in the background liiunex domesticus ; 



July 28, 1909. (Phot. A. Hesselbo.) 



farm-buildings are, as a rule, in the centre of the home-field, and 

 around them there is almost always a characteristic vegetation con- 

 sisting of Alopecurns geniculatus, Glyceria distans, Ranunculus repens, 

 Poa annua and P. trwialis; quite near to the home and stables grow 

 Stellaria media, Capsella bursa pastoris, Polygonum aviculare, Rumex 

 domesticus. etc. Around farmsteads in the vicinity of the sea, and 



) 



on islands, are often found in addition Cochlearia officinalis, Cakile 

 marilima and Atriplex patula. In Iceland the walls and roofs of 

 peasants' houses are generally built of turf and are therefore over- 

 grown with various grasses, especially Glyceria distans. Flowering 

 plants also often occur upon houses; they vary in the different dis- 

 tricts; in south-west Iceland Matricaria inodora grows luxuriantly 



