304 



RIKARD STERNER 



Tab. ;. Herbaceous vegetation on a southerly exposed os-slope at Ramsebo 



in the parish of Virserum in Smaland. i6 VII 1920. The experimental areas 



(i — 4) have each the size 1 m^. Declination about 15^. 



(A? to the sense of the table-figures see p. 290.) 



Dwarf-lignoses (tree-seedlings'. j 



! Arctostaphylos uva ursi | I | IV 



; Populus tremula i — i X 



Thymus serpylluni j X | I 



j Herbs. 



'Achillea millefolium 



Alchemilla pubescens 



i Arenaria serpyllifolia 



j Astragalus glycyphyllus 



Campanula persicifolia 



, » rotundifolia 



I Chrysanthemum leucanthemum 



Fragaria vesca 



• Galium verum 



Hieracium cymosum (coll. 



■» pilosella 



» umbellatum 



» vulgatum (coll. 



Hypericum perforatum 



I.aserpitium latifolium 



Lathyrus heterophyllus .... 



I » montanus 



I s niger 



Pimpinella saxifraga 



' Plantago lanceolata 



1 Polygala vulgaris 



1 Potentilla arenaria 



1 • » leucopolitana 



j » rupestris 



Potentilla Tabernaemontani 



Primula veris 



Pulmonaria angustifolia , 



Pulsatilla (vulgaris or pratensis)... 



Silene nutans 



Trifolium medium 



» montanum 



Veronica officinalis 



Vicia cassubica .' 



Viscaria vulgaris 



Grasses. 



Agrostis tenuis 



Briza media 



Carex caryophyllea .... 



■n ericetorum 



Festuca ovina 



Luzula campestris 



Melica nutans 



Phleum Boehmeri 



Pea angustifolia 



Sieglingia decumbens . 



Mosses. 

 Hylocomium proliferum 



Lichens. 



Cetraria islandica ... 



Cladina silvatica 



Cladonia rangiformis 



11 + 



The OS-slopes are occupied by a park-like birch-wood. The vegetation has 

 naturally been for centuries more or less influenced by human action, but the 

 plant occurrences mentioned above are in all probability originally quite natural. 



