602 A. HESSELIJO 



Philonotis tomentella, Mnium punctalnm, M. orthorrhynchiim, Amphi- 

 dium Mougeottii, A. lapponicum, Ana'ctangium compactum, Didymodon 

 rnbellus and Schistidium gracile grew abundantly in extensive cushions. 

 Lescnrcea filamentosa was found abundantly at the basal part of 

 the rock-face. Pohlia cruda, Barlramia itgphylla, Plagiothednm pul- 

 chellum, Mijnrella jnlacea, M. tenerrima, Radnla complanata, Haplozia 

 atrovirens and Marchantia polymorpha grew partly in small tufts, 

 partly intermixed with other species in the tufts formed by them. 



2. Botnsdalur, H valfj ordur: damp rock -face. The base 

 of the rock-face, up to a height of about a few metres, was covered 

 with extensive cushions of Hypnum cupressiforme, H. mollnscum, 

 Brachythecium glareosum, Orthothednm chryseum, Philonotis tomen- 

 tella and Distichium montanum. Where the rock-face was wet with 

 the downward-oozing water, large patches of it were covered with 

 Anomobryum continuum. Partly in the crevices of the rock-face, 

 partly scattered in the tufts there occurred Amblysteginm Sprncei, 

 Brynm pallescens, B. indinatiim, Lophozia quinquedentata, L. M Ciller i, 

 Blepharostoma trichophyllum and Aneura pinguis. 



3. B e r u f j 6 r d u r, r o c k - f a c e, w here the water was oozing 

 down from the ledge above: Hijpmim alpestre, Orthothednm 

 chryseum, Blindia acnta, Onchophorns Wahlenbergii, Plagiopns (Ederi, 

 Philonotis fontana, Distichium montannm, Mijnrella jnlaceci, M. tener- 

 rima, Scapania snbalpina, Lophozia quinquedentata, Haplozia alrovi- 

 rens and H. cordifolia. 



4. Seydisfj ordur, dry rock face with a northern ex- 

 posure. On the dry rock face itself there grew: Plerigynandrnm 

 /ili forme, Homalothednm sericenm , Grimmia fnnalis, G. torqnata, 

 Hypnnm revolntnm and Ortholricham rnpestre. The basal part of 

 the rock-face was much weathered, presenting numerous crevices 

 and small ledges. There grew: Hypnnm reuolnlnm , H. filidnum, 

 Orthothednm chryseum, Plagiothedum pnlchellnm, P. Roeseauum, 

 Mijnrella jnlacea, M. tenerrima, Amphidium Mougeottii, Mnium orthor- 

 rlujnchnm, Bartramia ityphylla, Pohlia cruda, Plagiobryum Zierii, 

 Meesea Iridwides, Orthotrichnm Blyttii, Distichium montanum, Di- 

 trichnm flexicanle, Fissidens osmundoides, Schistidium confertnm, 

 Didymodon rnbellns, Metzgeria fnrcata, Blepharostoma trichophyllum 

 and Odontoschisma elongatnm. 



r>. Akureyri, dry rock-face, 350 metres above sea- 

 level. The rock-face was covered with extensive mats of Homalo- 

 thednm sericenm and Plerigynandrnm fill for me mixed with cus- 



