x8i 



. Primrose Family. 



Androsace occidentals, Pursh. Androsace. 



In dry soils from the Missouri valley eastward ; com- 

 mon. 



Androsace septentrionalis, L. Mountain Androsace. 

 In the Black Hills, Custer. 



Androsace septentrioiialis subulifera, Gray. 



In the foothills of the Black Hills; near Rapid City. 



Steironema ciliaum, (L.) Raf. Fringed Loosestrife. 

 Lysimachia ciliata, L,. 



In damp thickets from the Missouri valley eastward, 

 and in the Black Hills; common. 



Naiimbergia thrysiflora, (L.) Duby. Tufted Loosestrife. 

 Lysimachia thyrsiflora, L. 



In cold spring bogs in the Minnesota valley near Elk- 

 ton in the Sioux valley, and in the Black Hills. 



Centunciilus minimus, L. Chaffweed. 



In the upper Missouri valley, (Wai worth and Potter 

 counties) and the Black Hills. 



Dodecatheon media, L. Shooting Star, American Cow- 

 slip. 



On moist banks in the Black Hills; Rapid City, and 

 Custer. 



OLEACE^E. Olive Family. 



Fraxiniis laiiceolata, Borck. Green Ash. 

 Fraxinus viridus, Michx. F. 



Abundant along streams and bordering lakes through- 

 out the state. 



Fraxinus Peimsylvaiiicus, Marsh. Red Ash. 

 Fraxinus pubescens, L/am. 



With the last throughout the state and rather more 

 common. 



