296 



To this species belong: 



Draha aspera Adams. (Fig. 5). The leaves here are 

 mostly ciliated; small branched hairs are of rare occurrence 

 on the surfaces. I have not seen original specimens, but 

 there are specimens closely agreeing with the description 

 given by De Candolle from the Taimyr peninsula (legit Mid- 

 dendorf), the Tschuktscher-land (legit Kjellman), St. Laurence 



Fig. 5. 



Draha aspera Adams. 



(Specimen from the 



Taimyr peninsula 73° 45' 



collected by Middendorf). 



Fig. 6. 



Draha oUgosperma Hook. 



(Specimen from Arctic America in 



Herb. Hook). 



bay, Beringsstrait (leg. Escholtz under the name of Draha 

 algid a). 



Draha oUgosperma Hooker (Fl. Bor. Am. I, p. 51) (Fig. 6) 

 is not distinct from Draba glacialis from Arctic America 

 determined by W. Hooker. The leaves are mostly covered 



