952 



An intermediate association, whose composition shows it to be 

 a transition bet w een the boggj'-moor and the giass-moor 

 has an extremely wide distribution. All my lists, including those 

 just given above, contain some, at least, of the dominant species 

 of the grass-moor; this is particularly conspicuous in the first 

 example. 



The following lists will show still better the piants of this inter- 

 mediate association. 



1. Turbary on the west-side ofToftevatn, Oster o. The sur- 

 face very uneven through frecjuent cxcavation for peat. PZriophorum, 

 Carex Goodenoughii, C. panicea, C flava. Agrostis canina, Scirpus caespi- 

 tosus, Juncus squarrosus, Potentilhi erecta and Calluna are the more 

 abundant phanerogams^ and lliey beconie dominant in turn on different 

 parts. In the same way there is aUernate domination of mosses: 

 Sphagna, Polytrichum commune, Hjiocomia and Grimmia hypnoides. 



2. Turbary in the valley from Midvaag to Sorvaagsvatn on 

 Vaago. The higher parts of this irregular unduhiting slretch are 

 covered by a kixuriant growth of heather-moor; Eriophorum, Juncus 

 lampocarpus, Carex flava, Scirpus cacspitosus, Carex Goodenoughii, etc. 

 are dominant in the hollows. 



3. Slretch of moor beside the lakcs bclwccn Sand and Skopen, 

 Sando; dominant species: Eriophorum, Scirpus cacspilosiis and Sphagna; 

 common: Potentilla erecta, Calkma, Cladonia rangiferina; scattered are 

 Empelrum, Pinguicula, etc. 



4. Stream-delta at the upper end of Sandsvatn, Sando 

 formed by the different outlels of the river; surface level. Dominant 

 species: Juncus lampocarpus. Nardus and Agrostis sp.; common: Succisa, 

 Potentilla erecta, Ranunculus flammula; others noled: Antlioxanthum, 

 Bellis, Festuca ovina, Leontodon, Brunella, Carex panicea, Euphrasia bo- 

 realis, Plantago lanceolata, Ranunculus acer. 



5. The flat area round I^ van ha uge-la ke on Sydero. Dominant: 

 Carex Goodenoughii, Nardus and Anthoxanthum ; other species noted: 

 Eriophorum, Juncus conglomeratus, Luzula multiflora, Potentilla erecta, 

 Galium saxatile, Festuca ovina, Rumex acetosa, Polygala serpyllacea, 

 Selaginella. Euphrasia minima, Pinguicula, Bellis, Ranunculus flammula, 

 Carex pilulifera. Very luxuriant mos.s-covering in the bottom. A sample 

 of the moss-vegetation, brought away, contained according to C. Jensen's 

 identification: Sphagna (S. subnitens, S. Gravetii, S. cymbifolium), Hylo- 

 comia (H. loreum, H. proliferum, H. parietinum, H. squarrosum), and 

 other mosses (Isothecium tenuinerve, Thyidium tamariscifolium, Gymno- 

 cybe palustris, Astrophyllum hornum and Hypnum purum). 



The latter two lists (No. 4 and 5), in particular, are distinct from 

 tlie true boggy-moor vegetation as regards species, and sliow a marked 

 approach towards the grass-moor. 



(/)) The grass-moor association (Gliimiflor-Hijlocominm 

 association). This name is used to indicate a plant-association 



