i8r 

 PrimuIvACE-.^. — Primrose Family. 



Androsace occidentalis, Pursh. Androsace. 



In dry soils from the Missouri valley eastward ; com- 

 mon. 



Androsace septeiitrioiialis, L. Mountain Androsace. 

 In the Black Hills, Custer. 



Androsace septentrionalis snbulifera, Gray. 



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



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

 Lysimachia ciliata^ L. 



In damp thickets from the Missouri valley eastward, 

 and in the Black Hills; common. 



Nannibergia tlirysiflora, (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. 



Centnnculns minimns, L. Chaffweed. 



In the upper Missouri valley, (Walworth and Potter 

 counties) and the Black Hills. 



Dodecatlieon media, L. Shooting Star, American Cow- 

 slip. 



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

 Custer. 



Oleace^. — Olive Family. 



Fraxinns lanceolata, Borck. Green Ash. 

 Fraximis viridus^ Michx. F. 



Abundant along streams and bordering lakes through- 

 out the state. 



Fraxinns Pennsylvanicus, Marsh. Red Ash. 

 Fraximis pubescens^ Lam. 



With the last throughout the state and rather more 

 common. 



