233 



CHAPTEE XXIX. 



The Flora of the Dovre-fjeld. The Ferns of Norway. 



IT is said that all the alpine flora of the North may 

 be found in the Dovre-fjeld. The best stations for 

 botanists in this range of mountains are Tofte, Jerkin 

 Kongsvold, and Drivstuen. The last mentioned is in 

 Drivdalen, watered by the Driv Elv; and here, says 

 Professor Blytt, "nearly all the alpine flora seems to 

 have concentrated." The limit of birch varies from 

 3700 to 3750 feet above the level of the sea. I have 

 generally adopted the names given to plants by Lin- 

 nasus. The figures placed after each species refer to 

 the numbers of the plates in the ' Flora Danica/ 



RANUNCULACEJJ. 



Thalictrum alpinum; 11. Common on high grounds, 

 but does not reach the birch- limit. 



T. simplex; 244. Much the same as the preceding. 



Anemone vernalis ; 29. Common all over the fjeld. 



Ranunculus reptans ; 108. Common, and up to the 

 birch-limit. Found near Kongsvold. 



R. platanifolius ; 3. Common in Drivdalen. 



