ip6 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. 



Ailanthus glandulosus Desf. 



Lee Co. Well established in and near Keokuk. 



P0LYGA.LA CRUCIATA L. 



Muscatine Co. [Reppert.^ 



POLYGALA VERTICILLATA L. VUT. AMBIGUA Gray. 



Johnson Co. Not always clearly distinct from the type. 

 Baptisia tinctoria R. Br. 



Johnson Co. Rather common. 4 

 Baptisia alba R. Br. 



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

 LUPINUS perennis L. 



Winneshiek Co. {^Holivay.^ 



HOSACKIA PURSHIAXA Bsiltk. 



Henry Co. [Mills.) 

 Desmodium nudiflorum DC. 



Muscatine Co. [Reppert.) 

 Desmodium rigidum DC. 



Des Moines Co. [Bartsch.) 

 Rosa humilis Marsh. 



Henry Co. [Mi//s) ; Johnson Co. Common. 

 Rosa rubiginosa L. 



Henry Co. [Mills.) Introduced. 

 Crat^gus crus-galli L. 



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

 [Rilzpalrick) ; Johnson and Lee Cos. Frequent. 



POTENTILLA SUPINA Z. 



Woodbury Co. [Hitchcock.) 



