Allioiiia liiiearis, Pursh. Narrow-leaved Umbrellawort. 

 In dry soil from the Missouri valley westward. 



Abroiiia fragraiis, Nutt. White Abronia. 



In the Bad Lands, east of the Black Hills. 



PORTULACACE^. Purslane Family. 



Taliiiuiu teretifolium, Pur-sh. Fame-flower. 



On dry, rocky hills in the Sioux valley near Dell 

 Rapids, and in the Black Hills. 



Claytoiiia perfoliata amplecteus, Greene. Spanish 

 Lettuce. 



In the Black Hills. 



Portnlaca oleracea, L. Pursley. Purslane. 



An introduced weed in cultivated grounds throughout 

 the state. 



CARYOPHYLLACE^B. The Pink Family. 



Sileiia Noctiflora, L. Night-flowering Catchfly. 



An introduced weed, occutring occasionally in the 

 Sioux valley. 



Lychiiiis alba, Mill. White Champion. 

 Sparingly introduced near Brookings. 



Lychiiiis Dnuumoudii, (Hook.) S. Wats. Drummond's 

 Pink. 



In the Black Hills, Custer and Rapid City. 



Sapoiiaria ofticiiialis, L. Soapwort, Bouncing Bet. 

 Escaped from cultivation in the Sioux valley. 



Vaccaria vaccaria, (L.) Britton. Cow-herd. 

 Saponaria vaccaria, L. 



Occurs occasionally in the Sioux and Minnesota val- 

 leys, and in the Black Hills. 



Alsiiie media, L. Chick weed. 

 Stellaria media, Cyr. 



Sparingly introduced in the Sioux valley. 



