210 PROCEEDINGS OF THE ACADEMY OF [1893. 



Potentilla emarginata Pursh. 



Wostenholtn Island, Upernavik, and on the Nunatak in the 

 Verhoeff glacier. 



Potentilla nivea L. 

 Dr. Burk. 



Potentilla pulchella R. Br. 



Disco. 

 Potentilla maculata Pourr. 



Disco, not in Dr. Burk's collection. 

 Potentilla tridentata Ait. 



Godthaab, and as far North as Disco. 

 Dryas octopetala L. 



Next to Papaver perhaps the commonest flower of Greenland. 

 Sometimes in clumps of a foot across, with sometimes a hundred 

 flowers open at once. Also on the Verhoeff Nunatak. 



Alchemilla vulgaris L. 



Varying in size. At Disco preferring wet places. 

 Saxifraga csespitosa L. 

 Saxifraga cernua L. 



Disco. On the Verhoeff Nunatak. 

 Saxifraga fiagellaris Willd. 



McCormick Bay. Appears to be rare. I only found a few 

 plants here, and only one specimen was seen by Dr. Burk, and that 

 in the same locality. 



Saxifraga oppositifolia Willd. 



Growing in great masses, and giving great beauty to the rocks 

 about the "Redcliff House," Lieutenant ^Peary's winter quarters. 



Saxifraga nivalis L. 



Disco. 

 Saxifraga rivularis L. 



Above Meville Bay, not half the size of those at Disco. 

 Saxifraga tricuspidata Ketz. 



Common everywhere. On the Verhoeff Nunatak. 

 Saxifraga azoides L. 



Wostenholm Island and McCormick Bay, not in Dr. Burk's 

 collection. 



