244 



WEED FLORA OF IOWA 



Fig. 140-A. Distribution of Morning-glory. 



flowers; calyx densely hairy below; corolla funnel-form, white and 

 purple or pale blue; lobes of stigma and cells 3. 



Fig. 141. Annual Morning-glory (Ipomoea purpurea). A frequent escape from 



gardens into fields. 

 (Photographed by Colburn.) 



