FLORISTIC FEATURES OF A PRAIRIE PROVINCE 371 



B. Consocies Stipa. 



Location: Slope or level prairie (Heiiehera Hill type or 

 upland level of Grove's Field). 

 Soil : loam to sandy loam. 



Arrangement: Copious or slightly copious, gregarious. 

 The main species are : 



Brauneria purpurea, Psoralea argopkyUa, Stipa spartea, 

 Sporol)olus, Coreopsis palmata, Liatris pycnostacliya, Liatris 

 squarrosa, Lespedeza capitata, DelpMnium Penardi, Lilium 



Fig. 145. — Kame Hill, Alluvial basin below, probably the pre-Wisconsin 

 bed of Des Moines river. 



pJuladelphicum, Phlox pilosa, Heiichera Americana, Pedi- 

 cularis canadensis, Viola pedata, Baptisia bract eata, Eryn- 

 gium yuccaefoUunh, Amorpha canescens, Gentiana puherida, 

 Solidago speciosa, Solidaga rigida, Petalostemum purpure- 

 um, Sisyrinchium angustifoliiim, Hypoxis hirsuta, Aster 

 sericeus. Aster midtiflorus. 



