THE BRYOPHYTA OF K.KLAND 4<S7 



163. Bryum Brownii Br. eur. 



N. Iceland. Hof O. D. 1. W. Icchind: Reykjavik:. 



On the peninsula near Reykjavik it occurred ;iljuiulantly on damp 

 sandy grouiKi in company wilh Brijum pallens and B. incUnatum. Fiiiit 

 was ripe on August otii. 



It is also rccorded ironi sevcral localities wliich are cnumerated in 

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

 are wrongly dcterniined. 



KU. Mnium hornum L. 

 Aslrophylliim honiiim Lindb. 



E. Iceland: Comnion from Hornatjordur to Berufjordur ' ; Seydis- 

 tjordur!; Vallanes H.J.)!. X. Iceland: Akureyri!; Hof near Eyjafjordur 

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

 about Isatjordur!; Bildudalr (CH., i!; D\rafjordur ! ; near Jokulsfjordur !. 

 \V. Iceland: common everywhere (Grl.; H. .1.;!). S. Iceland: Gonimonl. 

 Vestman naeyl. 



Common in East, South, West and Northwest Iceland, rarer north- 

 wards. It occurred abundantly even in Vatnsdal and Hlonddal Geita- 

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

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

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

 peaty ground, especially on knoils or along the sides of ditches, more 

 rarely on soil-covered rocks. $ piants occur rather frequenlly; on the 

 other hånd, it has not been found in fruit. 



165. Mnium orthorrhynchum Brid. 



Astrophiillum orthorrhyiicluim Lindb. 



Very common everywhere in soil-tilled rock-clelts. and ravines, on 

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

 or more often mixed with other mosscs. (^ flowers are rathcr common; 

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

 to ascend higher than 400—500 metres above sea-level. 



166. Mnium serratum Schrad. 

 Astrophijlliiin marginatiim (Dicks.) Lindb. 



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

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

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

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



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,. 



