FLORA OF THE MIAMI VALLEY. 31 



V. officinalis, L. Common Speedwell. 



V. serpyllifolia, L. Thyme-leaved Speedwell. 



V. peregrina, L. Purslane Speedwell. 



V. arvensis, L. Corn Speedwell. 



SEYMERIA, Pl'rsh. 

 S. macrophylla, Nutt. Mullein Foxglove. 



GERARDIA, L. 

 G. purpurea, L. Purple Gerardia. 

 G. tenuifolia, Vahl. Slender Gerardia. 



PEDICULARIS, TouRN. 

 P. lanceolata, Michx. Lousewort. 



ACANTHACE^— The Acanthus Family. 



DIANTMERA, Gronov. 

 D. Americana, L. Water Willow. 



RUELLIA, L. 

 R. ciliosa, Pursh. R. strepens, L. 



VERBENACE^— rhe Verbena Family. 



VERBENA, L. 

 V. hastata, T>. Blue Vervain. 

 V. urticifolia, L. White Vervain. 

 V. stricta, \'cnt. Hoary \'ervain. 

 V. bracteosa, Mi( hx. 

 V. Aubletia, L. 



