RECENT DISCOVERIES IN THE SOUTH NORWEGIAN FLORA 



257 



limit in the districts south of Romsdalsf jord and on north More. (cf. Fig. 12). 

 Towards east this species follows the Dovre Ridge and its continuation 

 northeastwards to the borderhne to Sweden. In our neighborland Sweden it 

 occurs in several locaUties in the provinces of Harjedalen and Jamtland. Here 

 it gradually peters out, but the species has been discovered in a few, isolated 



Fig. 1 1 . The distribution in south Norway of Rhododendron lapponicum. For its 

 occurrence in north Scandinavia, see Hulten, 1950. (cf. also Addendum). 



localities as far north as to ca. 65° N. Lat. It is, however, its southernmost 

 limit, in northernmost Hardangervidda, Norway, that attracts most interest. 

 Among Scandinavian field botanists it is a well-known fact that Pedicularis 

 Oederi is favored by a calcareous substrate. Hardangervidda is an enormous 

 massif which for a long time especially east of Sorfjord in Hardanger and 

 north of the remarkable Mt. Harteigen has been considered a botanist's 

 "paradise", with a rock substrate rich in lime and schists. Here occur Dryas 

 octopetala, Arenan'a norvegica, Euphrasia lapponica, and many other "de- 

 manding" plant species. But precisely here, in this "paradise", Pedicularis 



