79 



Perennials : 

 Carex pennsylvanica 

 Carex fcsiiicacca, 



var. hrevior 

 Sisyrinchium sp. 

 Anemone cylindrica 

 Amorpha canescens 

 Ceanothiis aniericanus 

 HeliantJicmuiii majus 

 Asclepias aniplexicaulis 



Interstitials : 

 StetiopJiyllus capillaris 



Breiveria Pickcriiigii 

 Verbena stricfa 

 Physostegia dcnticulata 

 Pent stem on grand if lorus 

 Aster sericeiis 

 Aster niultiflorus 

 Brauneria pallida 

 AcJiillea Millefolium 



Polygonum tenue 



Com melina virgin ica 



4. Oquawka area ; nearly original bunch-grass near the county 

 line between Henderson and Mercer counties. The dominant species 

 are Andropogon scoparius, Koeleria cristata, and Leptolonia cog- 

 natum, named in order of their abundance. These three species are 

 mixed indiscriminately and with them are several other bunch-grasses 

 of less importance in the consocies. These are Panicum pseiido- 

 pubescens, Panicum virgatum, Panicum Scribneriannm, Andropogon 

 furcatus, Bouteloua hirsnta, and Carex Muhlenbergii. 



The ground is about 90 per cent, covered, and the spaces between 

 the bunches are well covered with patches of moss, mats of Anten- 

 fiaria, and bunches of Panicum pseudopubescens and Bouteloua hir- 

 snta. The secondary species are the following. 



Perennials : 

 Tradescantia reflexa 

 Baptisia bracteata 

 Amorpha canescens 

 Tephrosia zirginiana 

 Lespedeza capitata 

 Euphorbia corollata 

 A cerates viridiflora 



Mat : 

 Antennaria sp. 



Interstitials : 

 Paspalum setae eum 

 Cy perns filiculmis 



Rhus canadensis, var. 



illi)ioe}isis 

 PJiysalis 1 'irgin ia na 

 Helianthus scaberrimus 

 Helianth us accident alis 

 Brauneria pallida 



Conimclina virginica 

 Silene antirrhina 

 Cassia Chamaechrista 



Oenothera rhombipetala 

 Monarda punctata 

 Linaria canadensis 

 Specularia perfoliata 

 Ambrosia psilostachya 



