VITA 



The author received her secondary education at her 

 native city, Woodstock, Illinois. She graduated from the 

 Illinois State Normal University in 1902 after which she 

 taught High School Mathematics and Science for six years. 

 A year and a half was then spent teaching under the Pres- 

 byterian Mission Board, in the mountains of Tennessee. 

 The degree of A. B. was received from the University of 

 Illinois in 1911, and that of A. M. from the same Uni- 

 versity in 1912. Two years were spent as Instructor of 

 Mathematics and Physics at Maryville College, and one 

 year as Assistant Professor of Mathematics at Tusculum 

 College. Since 1916 she has been an Assistant in Botany at 

 the University of Illinois, assisting* during the past year 

 and a half chiefly in Plant Physiology. 



