December 9, 1913 13 
HEUCHERA OVALIFOLIA Nutt. 
Fairly numerous in cracks of rocks in gulches in the forest 
reserves. 
RIBES AMERICANUM Mill. 
Common. 
RIBES HUDSONIANUM Rich. Currant. 
Abundant along the sides of the larger valleys and in the 
coulees. 
RIBES ODORATUM Wendl. Golden or Missouri currant. 
Common in open woods. 
RIBES SAXOSUM Hook. Wild gooseberry. 
Fairly abundant in thickets throughout the county. 
AGRIMONIA BRITTONIANA Bicknell 
Rare on springy ground in the buttes. 
POTENTILLA BIENNIS Greene 
Frequent in open woods of the valleys and on the steppe. 
POTENTILLA PENNSYLVANICA ARACHNOIDEA Lehm. 
Tolerably common on the plains. 
POTENTILLA PENNSYLVANICA STRIGOSA Pursh 
In grass lands; frequent. 
Rosa FENDLERI Crepin. Wild rose. 
Common on the steppe. In flower as late as July 23d in 
1910. Abundant in woodlands of buttes. 
Rosa Sayi Schwein. Long fruited rose. 
Locally common in woods of Slim Buttes. 
ASTRAGALUS DIVERSIFOLIUS Gray ? 
Rare on table of Short Pine hills. 
ASTRAGALUS ELATIOCARPUS Sheldon 
Rare along roads on the plains of southern Perkins county. 
ASTRAGALUS NITIDUS Doug]. 
Tolerably frequent about buttes. 
ASTRAGALUS PAUCIFLORUS Hook. 
Professor Nelson thinks more material might indicate that 
this represents a new species. Fairly frequent in the bunch 
grass association on the foothills of the forested buttes. 
