8 



Antiphylla oppositifoUa (L.) Fourr. (Saxifraga oppositi- 

 folia L.). A circumpolar arctic-alpine species, in America 

 extending south to Vermont, Montana and British Columbia. 



Vicinity of Cape Sheridan, ('.rant Land, June 15 to July 17, 

 1909, Goodsell 4Q; vicinity of North Star Bay, Aug. 3-6, 1908, 

 Goodsell 11; Grant Land, July, 1906, Wolf. 



Potentilla emarginata Pursh. An arctic species, ranging 

 from Greenland and Labrador to the Canadian Rockies and 

 Alaska; also in Siberia and on Spitzbergen. 



Vicinity of North Star Bay, Aug. 3-6, 1908, Goodsell 7; vicin- 

 ity of Cape Saumarey, Aug. 8, 1908, Goodsell 32. 



Potentilla Sommerfeltii Lehm. A rare arctic species, growing 

 in Spitzbergen, Greenland, the Baffin Bay islands, and the 

 arctic coast of America. 



Grant Land, July, 1906, Wolf. 



Potentilla pulchella R. Br. An arctic species of the same 

 range as the preceding, but it has also been collected on Wrangel 

 Island off Siberia. 



Vicinity of Etah, Aug. 6-18, 1908; Goodsell 39. 

 Potentilla Yahiiana Lehm. An arctic species, ranging from 

 Greenland through the islands north of Hudson Bay, and the 

 arctic coast of America to Alaska. 



Vicinity of Cape Saumarey, Aug. 8, 1909, Goodsell 31. 



Sibbaldiopsis tridentata (Soland.) Rydb. {Potentilla tridentata 



Soland.). A plant of rocky places, ranging from Greenland to 



the mountains of Georgia, west to Minnesota and Manitoba. 



Ravine on Caribou Island, Battle Harbor, Aug. 15, 1909. 



Goodsell 82. 



Comarum palustre L. A swamp plant distributed through 

 northern and subalpine Europe, Asia, and America, ranging in 

 the latter from Greenland to New England, Minnesota, Wyoming, 

 California, and Alaska. 



Ravine on Caribou Island, Battle Harbor, Labrador, Aug. 15, 

 1909, Goodsell 77 . 



Rubus Chamaemorus L. An arctic and subarctic bog plant, 

 ranging from Labrador and Newfoundland to New Hampshire, 

 British Columbia, and Alaska; also in Europe and Asia. 



