Plants of the Pribilof Islands. 145 



Salix [intermediate between S. arctica and S. ovalifolia may possibly be 

 a hybrid. M. S. BEBB.] 



Collected July 30 on St. Paul. 



Empetrum nigrum Linn. 



Abundant on both islands and forming the covering of large 

 areas. It sometimes forms pure heather bogs, but more often is 

 mixed with moss, usually Racomitrium. 



Fritillaria kamtschatcensis Ker. 



Common on St. George between Zapadnie and the highest 

 part of the island; not seen on St. Paul. 



The rushes (Junccteesi) have been determined by Mr. F. V. 

 Coville as follows : 



Luzula arcuata unalaschkensis Buchenau. 

 Collected on St. George Island. 



Luzula confusa latifolia Buchenau. 

 Common on St. Paul. 



Luzula campestris sudetica Celakovsky. 

 Common on St. Paul. 



The sedges (Cyperacese) have been determined by Prof. L. H. 

 Bailey as follows : 



Carex alpina Swartz (form). 

 Collected on St. George Island August 10. 



Carex cryptocarpa Meyer (form). 

 Common on Polavina. St. Paul. 



Carex norvegic?* Schk. 



Common with the last species. 



