M. Molliard, Professor of 

 Plant Physiology, University 

 of Paris, France. Physiology 

 of the fungi. Professor Molliard 

 is the author of the best work in 

 French on plant physiology. 



Dr. H. S. Reed, Professor 

 of Plant Physiology, Citrus 

 Experiment Station, River- 

 side, California. Plant nutri- 

 tion; Nature of growth. 



