FLORA OF MITCHELL COUNTY 285 



ARABIS. 

 A. virginica : Pierce's bridge. 



Crassulacese. 



PENTHORUM. 



P. sedoides : Pierce's bridge. 



Saxifragaceae. 

 SAXIFRAGA. 



S. pennsylvanica: Riceville (just over the county line). 



HEUCHERA. 

 H. villosa : river bank. 



MITELLA. 



M. diphylla : rich woods, stream banks. 



RIBES. 



R. cynosbati : woods and pastures. 



R. oxyacanthoides: woods and pastures. 



R. floridum : Pierce's bridge. 



Rosacese. 

 PHYSOCARPUS. 



P. opidifolms : Pierce's bridge ; river banks. 



SPIR^A. 



S. salicifolia : railroad track. 



PYRUS. 



P. coronaria : common in open woods. 

 P. ioensis : South 7th street, Osage. 

 P. sitchensis: Indian Head bluff. 

 P. Aucuparia: Pelton's woods. 



AMELANCHIER. 



A. canadensis: Iron spring on the river road. 



CRAT^GUS. 



C. punctata: Pierce's bridge; Spring Park; corner 8th and 

 Mechanic streets, Osage. 

 C. coccinea : Spring Park. 

 C. mollis : river road. 



FRAGARIA. 



F. virginiana : common everywhere. 



