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often has the Braya purpurascens been considered to be the 

 same as Braya alpina or a variety of that species. This 

 opinion however, I cannot agree with. B. purpurascens is 

 easily distinguished from B. alpina by its thick fleshy leaves 

 and ovate lanceolate pods. The Braya alpina as found in 

 the arctic regions and in North Scandinavia is a little more 

 slender and has often a more elongated inflorescence as the 

 plant from the Austrian Alps. 



Braya alpina Sternb. & Hoppe (Fig. 2) I have seen from 



Fig. 3. Braya purpurascens (R. Br.) Bunge. 

 (Specimen from West Greenland 70° collected by N.Hartz). 



the following stations in Arctic regions : Arakamtschena Island 

 in Berings Strait (Exemplair in the Kew Herbarium from the 

 U.S. North Pacif. Exped.), Arctic coast of America (Exem- 

 plair in the Kew Herbarium and in the British Museum 

 collected by Richardson), Scoresby sound in East Greenland 

 (Expl. in the Botanical Museum at Copenhagen collected and 

 determined by N. Hartz). 



Braya purpurascens (R. Br.) Bunge (Fig. 3) is more common 

 in Arctic regions and has been found at Port Clarence in the 



