1025 



Page 



b. The sand-dune (Klit) formation 925 



Psamma association. 



c. The salt-marsli formation 926 



Atropis association, Carex-salina association, Plantago-maritima 

 association. 



d. The coast-cliff formation 931 



Ramalina association, Grimmia-Weissia association, Haloscias 

 association. 



2. Subalpine formations 935 



a. The plankton formation 936 



b. The freshwater lithophyte formation 936 



Cladophora association, Enteromorpha association. 



c. The limnæ formation of the lakes 937 



Litorella association, Sparganium-Potamogeton association. 



d. The limnæ formation of running water 942 



e. The hj^drophyte formation round springs and streamlets 943 



Philonotis association, Amphibious association. 



f. The swamp formation 945 



Heleocharis association, Menyanthes-Polygonifolius association. 



g. The moor formation 947 



Boggy sedge-moor association (Cyperace-Sphagnum association), 



Grass-moor association (Glumiflor-Hylocomium association) 



with Nardus facies, Juncus-squarrosus f. and Scirpus-cae- 



spitosus f. 

 h. The heather-moor formation (moist Calluna heath) 956 



Calluna-Erica-cinerea association, 

 i. The grass-slope formation 962 



Carex-binervis- Luzula-silvatica association, Anthoxanthum- 



Agrostis-vulgaris association with Agrostis-vulgaris facies and 



Anthoxanthum f. 

 j. The cliff vegetation 967 



The lithophyte formation. 



Lithopln^te association of the isolated stones and boulders, 

 Lithophyte association of tiie solid cliffs. Wet lithophyte 

 association. 



The t3'pical chomophj'te formation. 



The ombrophile chomophyte formation. 



The thermophile chomophj'te formation. 



3. Alpine formations 989 



a. The rocky-flat formation 990 



b. The alpine-bog formation 996 



Eriophorum-Carex-pulla association. 



c. The Grimmia-heath formation 997 



Transition from Grimmia-heath to grass-moor (transition for- 

 mation). 



4. The vegetation of the sea-fowl cliffs 1003 



