418 A. HESSELBO 



54. Lophocolea cuspidata Limpr. 



Vestmannaey!. S. Iceland: Holt!. 



On Vestmannaey it was found in several piaces at the base of clifFs 

 and in specially large quantities in Heljusdal where it grew abundantly 

 among stones on an Urd usually mixed with Eiirynchinm , Stockesii 

 and Mniiim iindiilatum. Near Holt it was found in several piaces, but 

 everywhere only in small quantities in clefts of tuff-rocks, woven into 

 the tufts of mosses. Only sterile specimens have been found. 



55. Lophocolea minor Nees. 



N. Iceland: Halsskogur (O. D.)!. S. Iceland: Rej^kirdalur!; Vestman- 

 naey: Heljusdal!. 



In Reykirdalur it v^^as growing rather sparinglj^ on a grass-covered 

 slope stretching down towards a streani. On Vestmannaey' it occurred 

 in several piaces assoclated with L. cuspidata sometimes intermixed in 

 its tufts. In all the localities only sterile specimens were collected, but 

 bearing the characteristic gemmæ. 



56. Chiloscyphus polyanthus (L.) Corda. 



Common in wet localities or in water, on gravelly ground and 

 occasionally in bogs and on wet rocks. Only sterile specimens were 

 found. 



It occurs sometimes in unmixed cushions, which are usually blackish- 

 green in colour in water and yellowish-green in boggy ground, some- 

 times mixed with other Bryophyta such as Marchantia, Philonotis, Dicra- 

 nella sqiiarrosa and Mniiim spp. It is most widely distributed in the 

 lowlands up to about 300 metres and does not appear to ascend much 

 higher than 400 metres. 



The typical form was collected only in S. Iceland on damp tuff- 

 rocks near Holt. All the other piants which have been investigated be- 

 long to var. fragilis (Roth) K. M. It varies considerabh' as regards 

 size and colour, but the form of the leaves and the size of the leaf- 

 cells are almost always the same. 



Note. Chiloscyphus pallescens is recorded from several piaces by 

 Morch, Gronlund and H elgi J onsson , but all the specimens refer- 

 red to this species belong to Chiloscyphus polyanthos var. fragilis. 



57. Harpanthus Flotowianus Nees. 



E. Iceland: Seydisfjordur, several piaces!. N. Iceland: several piaces 

 around Eyjafjordur (O. D.)!; Stadr near Hriitafjordur!. NW. Iceland: Dyra- 

 Qordur; Sugandafjordur; Isa*j6rdur; Grunnavik; Kaldalon; Arngerdareyri!. 

 W. Iceland: Olafsdalur in Dalasysla (H. J.)!; Esja, several piaces!. 



In NW. Iceland this species is of the most frequent occurrence 

 among all the Brj'ophyta and is met with everywhere on wet ground 

 up to a height of about 300 metres above sea-level. In the other parts 

 of the country it is wanting or rare; on Esja it is however rather fre- 



