Dr. Bohumil Nemec, Professor in 

 Charles University and Director of 

 the Institute of Plant Physiology, 

 Prague, Czechoslovakia. Growth; Re- 

 generation; Irritability; Reproductive 

 processes. 



Dr. F. E. Denny, Plant Phys- 

 iologist at the Boyce Thompson 

 Institute, Yonkers, N. Y. Plant 

 biochemistry; Dormancy; Effects 

 of stimulating agents. 



