199 



Ag:o.seris parviflorii, (Nutt.) Greene. Small -flowered 

 Agoseris. 

 Troximon glaucum parviflorum^ Gray. 



In the Black Hills and the adjoining plains. 



Ag:oseris .scorsonerjiefolia, (Schrad.) Greene. Western 

 Agoseris. 



On railroad embankments near Custer, Black Hills. 



Nothocalai cuspidata, (Pursh.) Greene. False Calais. 

 Troximon cuspidatum^ Pursh. 

 On prairies from the Missouri valley eastward. 



Crepis ruiicinata, (James.) T. & G. Naked Stemmed 

 Hawksbeard. 



In low moist soils in the Minnesota and Sioux valleys 

 and in the Black Hills. 



Hieraciuin uinbellatum, L. Narrow-leaved Hawkweed. 

 In damp ground in the Minnesota valley and in the 

 Black Hills. 



Hieraciuin Cauadeiise, Michx. Canada Hawkweed. 



On shady banks in the Minnesota valley and in the 

 Black Hills. 



♦ 



Hieraciuin Fendleri, Schut. Fendler's Hawkweed. 

 On dry hills near Rockford in the Black Hills. 



IVabalus albus, (L.) Hook. Rattlesnake Root. 

 Prenanthes alba^ L. 



In rich woods in the Minnesota valley. 



Nabalus asper, (Michx.) T. & G. Rough White Lettuce. 

 Prenanthes asper^ Michx. 



On low prairies in the Minnesota, Sioux, James, and 

 southern Missouri valleys and the Black Hills. 



Nabalus racemosus, (Michx.) DC. Glaucous White Let- 

 tuce. 



Prenanthes racemosa, Michx. 



On low prairies in the Minnesota and Sioux valleys 

 and in the Black Hills. 



