278 Proceedings of Indiana Academy of Science 



Figs. 9-27. Leaves of Convolvulacoae. 9-12, Ijiuiiioea laciutoNa : K'.-KJ. Cotifolviilu.i 

 spithamaeus; 17, C. japonkus; 18 and 19, C. sepiuin; 20 and 21, C. fratcmijlorus ; 

 22-25, C. arvensis; 26 and 27, C. repens. 



