299 



author, Graham, quotes in the description of the plant in 

 Edinb. phil. Journ. 1829, p. 182 „Plant densely cæspitose, 

 perennial". Dr aba crassifolia is charactizied by subcarnose 

 leaves, without prominent veins, glabrous or with a few 

 simple or forked hairs on the margins (Fig. 10). 



In Arctic regions found in West Greenl. 64° — 72° and 

 East Greenl. 70°— 73°, Beyond only found in America (Rocky 

 Mountains, Sawatch Mountains, Sierra Nevada) and in the 

 Finmark. 



Fig. 10. Draba crassifolia Grah. 

 (Specimens from West Greenland: Disco, collected by J. Vahl). 



Draba alpina L. 



The leaves are oblong-lanceolate, entire, with thick, on 

 the under surface prominent middlevein, which does not 

 reach the top op the leaf. The flowering shoot is more 

 coarse than in Draba glacialis and Draba Fladnizensis, and 

 generally hairy, in the clothing the plant varies in the same 

 manner as Draba glacialis and Draba Fladnizensis but the 

 branched hairs on the surfaces are generally larger and 

 coarser, as in Draba hirta. 



Draba alpina is circumpolar in the Arctic regions. Found 



