401 



added to the former; in humid crevices light green patches of 

 several m^ extension could be seen, the colour of which was 

 exclusively due to this plant. 



When walking upwards in the direction of southeast from 

 the stony plains and the sand-drift grounds to the gneiss- 



Fig. 24. Coffin-shaped sand-hills, erosion-remnants covered with Salix- 

 and Chaniaenerium. In the fore-ground Festuca rubra. Klitdalen. Del. 



E. Ditlevsen. 



grounds one saw, as soon as the shelter of a knoll had been 

 arrived at, Dryas and Elyna draw together and form a Dryas- 

 heath, which at this time of the year (beginning of August) 

 shone already in the motley colours of autumn: large wine-red 

 blotches of Ardostaphylos alpina, dark green portions of Cas- 

 siope tetragona, yellowish-brown patches of Empetrum, Vacci- 

 nium uliginosum and Betula nana. In more humid heath 



