307 



an abnormal state; these pods do not contain developed 

 seeds; normal pods, also on specimens collected by J. Vahl, 

 are flat, somewhat broader and whith longer style than in 

 D. hirta. Watson 1. c. puts the plant down as D.hlHa 

 warctica, and it is possible, that this is right; nevertheless 

 the above mentioned characters seem to be constant. 



D. hirta v. incano-hirta Hartman = D. hirta v. dovrense 

 Fr. from Dovre in Norway, seems not to be different from 

 D. arctica. 



Besides only found in Arctic regions: in America in 

 Grinnell-land, West Greenland from 64°— 72^ East Greenland 

 from 70°— 75°, Spitzbergen, Chabarowa, in Asia at the 

 mouth of the Lena river and in the Tschuktscher-land. 



Draba nivalis Liljebl. 



Leaves lanceolate- 

 spathulate , entire , on 

 both sides covered with 

 a gray-whitish felt con- 

 sisting of small appressed 

 branched hairs. Stems 

 thin 5—10 ctm. long, 

 often hairy with small 

 appressed branched hairs, 

 often with a single entire 

 leaf. Inflorescence few- 

 flowered, pods oblong- 

 elliptical, pointed at both 

 ends, with a short thick 

 style (Fig. 18). 



Synonyms are D. 

 miiricella Whlbg. and 

 D. Liljehladii Wallm. 

 But the plant cannot be 

 combined with the D. 



Fig. 18. Draba nivalis Liljebl. 

 (Specimen from Northeast Greenland 

 c. 71° collected by N. Hartz). 

 20* 



