Cochlearia fenestrate R. Br. An arctic species, closely re- 

 lated to the last and often confused with it. It is apparently 

 confined to arctic America. 



Grant Land, July, 1906, Wolf. 



Rhodiola rosea L. (Sedum Rhodiola DC). A species not 

 uncommon in the arctic and mountainous parts of Europe; 

 in America confined to the north, extending south to Newfound- 

 land and Maine in the east. It has also been collected at two 

 stations in Pennsylvania. 



Ravine on Caribou Island, Battle Harbor, Labrador, Aug. 

 15, 1909, Goods ell 74. 



Saxifraga cernua L. A circumpolar arctic-alpine species, in 

 America extending south to Labrador and in the Rocky Moun- 

 tains to Colorado. 



Vicinity of Cape Saumarey, Aug. 8, 1908, Goodsell 16; vicinity 

 of Cape Sheridan, Grant Land, June 15 to July 17, 1909, Good- 

 sell 60 (depauperate specimen); Grant Land, July, 1906, Wolf. 



Saxifraga rivularis L. A circumboreal species, in America 

 extending south to the White Mountains and to the Rocky 

 Mountains in Montana. 



Vicinity of Etah, Aug. 6-18, 1908, Goodsell 48. 



Muscaria caespitosa (L.) Haw. {Saxifraga caespitosa L.). 

 A circumpolar arctic and subarctic species, extending in Amer- 

 ica from Greenland to Labrador, Montana, British Columbia, 

 and Alaska. 



Vicinity of Cape Sheridan, Grant Land, June 15 to July 17, 

 1909, Goodsell 5Q. 



Leptacea tricuspidata (Rottb.) Haw. (Saxifraga tricuspidata 

 Rottb.). An arctic-alpine species, ranging from Greenland to 

 Labrador, Lake Superior, the Canadian Rockies, and Alaska. 



Vicinity of Etah, Aug. 6-18, 1908, Goodsell 47 and 42; vicinity 

 of Cape Saumarey, Aug. 8, 1909, Goodsell 28. 



Leptacea flagellaris (Willd.) Small (Saxifraga flagellaris 

 Willd.). A circumboreal alpine-arctic species, extending in 

 America south in the Rockies to Arizona. 



Vicinity of Cape Sheridan, Grant Land, June 15 to July 17, 

 1909, Goodsell 58; Grant Land, July, 1906. Wolf. 



