THE BRYOPHYJ A OF ICELAND 475 



NW. Iceland: Bildudalr (C. H.)!. W. Iceland: Lundur!. S. Iceland : Traust- 

 holtsliolm in the Thjorsa .F.)!; Breidaf)olsladr!. 



Uatlier common, es})ecially in N. and E. Iceland. Il grows on damp 

 sandy or peaty soil, espccially in placcs where tiie peat has bcen pared 

 ofl", and by tlie sides of ditches. Near Husavik il was growing plentifully 

 on dani]) slopes slretching down towards tlie sea, in association with 

 Lcptobrijnm, Aongstnvmui, lirijam inclinaliim, clc. Near Lundur it was 

 growing in company with Dichodunliiim, Aoiujsljd'mia. Dicranella Schrehcri 

 and Briiiim inclinatnm on peaty Hats which had been pared otf. Tiie 

 fruit was ripe near Berufjordur on June 20lh, near Breidabolstadr on 

 July l()th. 



135. Bryum Kaurini Philib. 



E. Iceland: Berufjordur (Grl. 



)!. 



The specimens, which are quite typical, were gathered with ripe 

 fruit on July 6th, 1878, ånd determined by Berggren as B. inclinatnm 



136. Bryum archangelicum Br. eur. 



NW. Iceland: Hesteyri!. W. Iceland: Esja (Grl.)!; Brjanslækur H. J.) !. 

 S. Iceland: Drångshlid (H.J.)!. 



Both rare and scanty on rather dry, sandy ground or on soil-covered 

 rocks. The fruit ripens at the end of July. 



137. Bryum Jorgensenii Kaurin. 



SW. Iceland: Thingvellir!. 



The Iceland plant agrees exactly with B. archangelicum in habit. 

 The leaves are narrowly and indistinctly bordered ; the perichætial leaves 

 have their margins revolute to the apcx. The piants are often purely 

 $; usually, however, a few antheridia and many archegonia are present. 

 In none of the piants investigated did the lamellæ show the slightest 

 sinuosity. The spores, which were yellow and almost smooth, were of 

 very much the same size as in B. archangelicum. 



138. Bryum inclinatum (Sw.) Br. eur. 



Very common everj'where on a more or less damp substratum, on 

 peat, sand and gravel, on soil-covered rocks, and in rock-clefts. It does 

 not appear to ascend higher than about 300—400 metres above sea-level. 



Bryum inclinatnm varies so considerably in all its parts, in habit 

 and size, in the length of the setæ, in the form and degree of inclination 

 of the capsule, in the structure of the peristome, the size of the spores 

 and in the form and cell-tissue of the leaf, that it is hardly possible to 

 collect two tufts which do nol show diversities in one respect or another. 

 Perhaps on a closer investigation many of the forms might possibly 

 be referred to some of the numerous "small species" established by 



31* 



