Fig. 19. 

 Dr aba incana L.. 

 2 /3 nat. size. 

 (Specimen from Iceland 

 collected by Stefånsson). 



Fig. 20. 

 Draba aurea M. Vahl. 

 2 /3 nat. size. 

 (Specimen from West Greenland 65°45' 

 collected by J. A. D. Jensen). 



