THK BRYOPHYTA OF ICELAND 4cS7 



. Bryum Brownii Br. eur. 



N. Iceland: Hof (O. D.)!. W. Iceland: Reykjavik!. 



On the peninsula near Reykjavik it occurred abundantly on damp 

 sandy ground in company with Bnjuin pallens and B. incliiuitnm. Fruit 

 was ripe on August 5th. 



It is also recorded from several localities which are enumerated in 

 Gronlund's lists, but all the corresponding specimens in the collections 

 are wrongly determined. 



1(U. Mnium hornum L. 

 Astrophyllum hornum Lindb. 



E.Iceland: Common from Hornafjordur to Berufjordur!; Seydis- 

 fjordur!; Vallanes (H. J.)!. N. Iceland: Akurcyri!; Hof near Eyjafjordur 

 (O. D.)!; Geitaskard!; Vatnsdalur!. NW. Iceland: Common everywhere 

 about Isafjordur!; Bildudalr (C. H.)!: D\rafj6rdur! ; near Jokulsfjordur !. 

 W. Iceland: common everywhere (Grl.; H. J.;!). S. Iceland: Common!. 

 Vestmannaey !. 



Common in East, South, West and North-west Iceland, rarer north- 

 wards. It occurred abundantlv even in Vatnsdal and Blonddal Geita- 



mf 



skard), but further eastwards it was collected only in a few localities 

 near Eyjafjordur. It appears to be quite absent, for instance, from the 

 district around Husavik. It grows almost exclusively on somewhat damp, 

 peat} 7 ground, especially on knolls or along the sides of ditches, more 

 rarely on soil-covered rocks. ^ plants occur rather frequently; on the 

 other hand, it has not been found in fruit. 



165. Mnium orthorrhynchum Brid. 

 Astrophyllum orthorrhynchum Lindb. 



Very common everywhere in soil-filled rock-clefts, and ravines, on 

 faces of damp tuff rocks, etc., and occurs in wide-spread unmixed tufts 

 or more often mixed with other mosses. <$ flowers arc rather common; 

 on the other hand, it has not been collected in fruit. It does not appear 

 to ascend higher than 400500 metres above sea-level. 



166. Mnium serratum Schrad. 

 Astrophijlliim mciryinatum (Dicks.) Lindb. 



N. Iceland: Hof near Eyjafjordur (O. D.)!. Vidvik (P. Sofoniasson) !. 

 \V. Iceland: Giljarfoss and Kleppjarnsreykir in Reykholtsdalur (Grl.)!; 

 Kalmanstunga (Grl.)!; Fell near Kollafjordur (St.)!; Alafoss!. S Iceland: 

 Flokastadagil!; Barkarstadr!; Holt!; Austarhlid nearGeysir!. Vestmannaey!. 



It grows on damp, shady rock-sides in caves and clefts in the 

 lowlands, and is rather common in the southern part of the country, 



