334 APPENDIX E 



* Amelanchier alnifolia Nutt. Fort Smith, Mackenzie, June 21. 



We noted this shrub on Kah-d'nouay Island, Great Slave 

 Lake. 



* Fragaria gla-uca Rydb. Fort Smith, Mackenzie, June 21. 



A strawberry, apparently this species, was noted on Kah- 

 d'nouay Island. 



*Dryas integrifolia Vahl. Last woods, east shore, Artillery 

 Lake, August 6; Caribou Island, Great Slave Lake, July 21. 

 Found only toward the northern limit of the forest and on the 

 Barren Grounds. 



* Rosa acicularis Lindl. Fort Smith, Mackenzie, July 2. 

 This rose reaches its perfection at the Slave River, and on the 



southern shores of Great Slave Lake. 



* Lathyrus ochroleiicus Hook. Fort Smith, Mackenzie, July 2. 



Prunus virginiana Linn. 



Observed on the banks of the Athabaska near Fort McKay, 

 which is near its northern limit. 



* Empetrum nigrum L. Last woods, east shore. Artillery Lake, 



August 6. 

 Common on Caribou Island, Great Slave Lake, where its 

 fruit was still green on July 20. The berries were thoroughly 

 ripe at the eastern end of Great Slave Lake on September 11. 

 The berries of this shrub furnish food for many species of birds 

 and mammals. 



Elmagnus argentea Pursh. 



Observed in suitable places along the Athabaska, and common 

 on Smith Portage. 



* Shepherdia canadensis (L.), Nutt. Fort Smith, Mackenzie, 



June 22; near Caribou Island, Great Slave Lake, July 19. 

 Common throughout the region north to near the limit of trees. 



