I9 6 NOTES ON THE FLORA OF IOWA. 



son Cos. This species, though not uncommon, does not 

 seem to appear in the published lists. 

 Dianthus armeria L. 



Johnson Co. Introduced, but seemingly well established. 

 Callirrhoe involucrata Gray. 

 Shelby Co. ( Fitzpatrick) ; Scott Co. Not rare near Dav- 

 enport. 

 Ailanthas glandulosus Desf. 



Lee Co. Well established in and near Keokuk. 



POLYGALA CRUCIATA L. 



Muscatine Co. (Reppert.) 



POLYGALA VERTICILLATA L. VCIT . AMBIGUA Gray. 



Johnson Co. Not always clearly distinct from the type. 

 Baptisia tinctoria R. Br. 



Johnson Co. Rather common. 

 Baptisia alba R. Br. 



Shelby and Winneshiek Cos. {Fitzpatrick) ; Fremont Co. 



LUPINUS PERENNIS L. 



Winneshiek Co. {Holzvay.) 



HOSACKLA PURSHIANA Beilth. 



Henry Co. [Mills.) 

 Desmodium nudiflorum DC. 



Muscatine Co. {Reppert.) 

 Desmodium rigidum DC. 



Des Moines Co. (Bartsch.) 

 Rosa humilis Marsh. 



Henry Co. [Mills) /Johnson Co. Common. 

 Rosa rubiginosa L. 



Henry Co. [Mills.) Introduced. 

 Crataegus crus-galli L. 



Louisa and Muscatine Cos. (Reppert) ; Allamakee Co. 

 {Fitzpatrick) ; Johnson and Lee Cos. Frequent. 

 Potentilla supina L. 



Woodbury Co. {Hitchcock.) 



