157 



Pyrus sambuci folia, C. &. S. 



Doubtfully reported by Dr. Rydberg as occurring near 

 Sturgis in the Black Hills. 



Anielanchier Canadensis, (L,. ) Media. June Berry, Ser- 

 vice Berry. 



Along the Sioux river near Sioux Falls. 

 Anielanchier rotunclifolia, (Michx.) Roem. Round- 

 leaved June Berry. 

 Amelanchiey Canadensis rotundifolia, T. & G. 



In woods and thickets in the Minnesota and Sioux 

 valleys. , 



Amelanchier aluifolia, Nutt. Northwestern June Berry. 

 Amelanchier Canadensis alnifolia, T. & G. 



In thickets and on dry knolls from the James valley 

 westward; common. 



Crataegus macracaiitha, Lodd. I/ong Spined Thorn- 

 apple. 

 Cratcegus coccinea macracantha, Dudley. 



Common in thickets in the Minnesota, Sioux and 

 James valleys, and in the Black Hills. 



Cratsegus mollis, (T. & G.) Scheele. Red-fruited Thorn. 

 Crattzgus tomentora mollis, Gray. 



Occasional in thickets in the Minnesota, Sioux and 

 James valleys. 



DRUPACE^;. Plum Family. 



Primus Americana, Marsh. Wild Plum. 



Very abundant in thickets in the vicinity of lakes and 

 streams throughout the state. 

 Primus Besseyi, Bailey. Western Sand Cherry. 



On bluffs and banks of streams from the James valley 

 westward. 



Primus Peimsylvaiiica, L. F. Pin Cherry or Wild Red 

 Cherry. 



This species has only been reported from the Black 

 Hills. 



