132 RECONNAISSANCE IN NORTHERN ALASKA IN 1901. 



Polygon ace.e. (Smartweed family.) 



Polygonum plumosum Small. 



At camp, July 21; at camp, August 12. 

 Polygonum viviparum L. 



At camp, August 12. 



Silenacke. (Pink family.) 



Alsine longipes (Goldie) Colville. 



At camp, Colville delta, August 14. 

 Arenaria laricifolia L. 



At camp, John River, July 10. 

 Ammodenia. 



Cape Smyth, September 5. 



RANTJNCULACEiB. (Buttercup family.) 

 Anemone. 



At camp, Arctic slope, July 21. 

 Anemone. 



Low ground near John River, June 15. 

 Anemone richardsoni Hook. 



Low ground near John River, June 15. 



Papaverace.e. (Poppy family.) 

 Papaver radicatum Rottb. 

 At camp, August 12. 



Brassicace.e. (Mustard family.) 

 Cochlearia. 



Cape Smyth, September 5. 

 Eutrema edwardsii R. Br. 



At camp, Colville delta, August 14. 



Saxifkagace/E. (Saxifrage family.) 

 Saxifraga hirmlus L. 



At camp, Colville delta, August 14. 

 Saxifraga opposilifolia L. 



At camp, John River, June 26 and 28. 

 Saxifraga tricuspidata Retz. 



At camp, John River, July 10. 

 Partiassia palustris L. 



At camp, Anaktuvuk River, August 5. 



RosACEiE. (Rose family.) 

 PotentiUa fruticosa L. 



At camp, John River, July 10. 

 PotentiUa villosa Pall. 



At camp, John River, July 10. 

 Dry as inlegrifolia Vahl. 



At camp, John River, June 26. 



