400 



tops and sides. Stellaria loyigipes once in a while grew among 

 the Salices on these sandhills (Fig. 24). 



Sand-drift grounds. In many places were small, low 

 downs of white drift-sand. The "living" downs were often 

 quite devoid of any vegetation. On flats with lively sand-drift 



Fig. 23. Polygonum viviparum,%&na-Av\îi%ïonnA%. Klitdalen. Del. H. Olrik 



were noted: very luxuriant, decumbent bushes of Аа/гжагс^гса г;., 

 Chamaeneriwm latifolium, Dryas with erect branches and with 

 only the ends of the branches above the sand (Fig. 21 — 22), 

 Folygonum viviparum, the rhizomas of which were, in such 

 localities, often lengthy and erect (Fig. 23), Festuca rubra, very 

 vigorous, most often a form with hairy spikelets, Arabis arenicola, 

 Arenaria ciliata (not common). Wherever the sand was a 

 little more moist Equisetum arvense (the decumbent form) was 



