570 



A. HESSELBO 



lum, Calypogeia Trichomanis and Scapania irrigiia. Aiilacomnium 

 palustre was occasionalh' met with on wetter ground, and Archi- 

 dium phascoides, Ditrichiim homomallum and, on a single spot, 

 Campylopus frayilis on rather dry, clayey soil. Under tlie Hyp- 



Fig. 22. Laugarasliverir. The springs are silualed al Uic foot of a 

 hill : along Ihe outlet-clianiiel and next lo llie waler thcre is a narrow, 

 dark bell of Hcpaliar and Årcbidiiiin, Ihcn conies a broad bell of 

 Sp/iaff7iiH)i-cushions, and oulside tlial (llie darli palch in Iho fore- 

 ground) are //i/7);in/ii-carpets. 



fjwm-mats there was an almost constant temperature of 32", and 

 under Archidiiim as much as 46"". On tlie slope above one of the 

 largest springs Riccia sorocarpa grew in abundance, and where 

 steep banks were formed along the outlets grew Hypmini, Thni- 

 dium and Catharinea umlnlata f. thermophila : as was the case near 

 Thorlåkshver. 



