THE BHYOPHYTA Ol* ICKLAND 



On heathy ground in Gnupdalur near 1) \rafjordur a 

 rather scattered Bryophyte vegetation was found, composed of Hylo- 

 comium prolifemm , H. parietinum , Hijpmim uncinaium, Dicranum 

 scoparium, D.molle, 1). fnscescens , D.Starckei, Conostomum borealc. 

 Lophozia Flavckei, L. lycopodioides , L. Kunzeana, L. ventricosa and 



Fig. 25. Grunnavik near Jokulsfjordur in XW. Iceland. Stony slope. The low-lying parts 

 are boggy, the somewhat higher ridges are covered with heath vegetation (Hiupclriuu. 

 Vdcciniiim, Dicraniiiu spp. , etc.), whilst the stony ridges situated highest (in the hack-- 

 ground) are bare of vegetation. 



L. alpestris. The Dicranum spp. formed thick , extensive cushions, 

 and the Lophozia spp. grew woven into these cushions. 



Grunnavik near Jokulsfjordur (Fig. 27)). Up to a height of 

 100 200 metres the mountain slopes were partly covered with 

 heather-moor and partly with bog-vegetation or moss-hogs. The 

 stony ridges, situated higher up, which had been formed by stones 

 sliding down from the mountain above, were covered with heath, 

 while the intervening depressions were boggy, and .there along the 

 channels, where the water formed streamlets or issued as springs, 

 the usual "Dy" vegetation consisting of Mniobrynm albicans, Philo- 

 notis, etc., had developed. 



