S78 



IOWA ACADEMY OF SCIENCE Vol. XXV, 1918 



lata, Mentha arvensis var. canadensis, Lycopus americana, 

 Gentiana puherula, Gentiana Andreirsii, Polygala incar- 

 nata, Polygala sanguinea, Rudbeckia MrsiUa, Lilium canaden- 

 sis, Helenium antumnale, Lobelia siphilitica, CaWia paUtstris, 

 Ba)ii()iri(Ius septentrionalis, Galium 'trifidum, Juncus tennis, 



Fis. 153. — Edge of shallow pond in alluvial ba.sin. Scirpus validus. 

 Tuneus tenuis. Polygonum :Mulilenbergii. 



Baptisia leiicophaea, Viola cucullata, Viola pedatifida, Hyporis 

 hdrsuta, Prunella 'vulgaris, Stachys palustris, Stachys teiiui- 

 folia, Teucrium canadense, Pycnanthewum virgini-anum, Ra- 

 nunculus septentrionalis, Spiranthes cernua, Aster multiflorus, 

 Solidago. 



