Joseph Stuart Caldwell 



B.A., Maryville College, Maryville, Tennessee, 1902; M.A., The University of Chicago, Chicago, Illinois, 

 1904; Ph.D. (Plant Physiology and Plant Morphology), Chicago, August, 1914 



BIOCHEMIST IN CHARGE OF FRUIT BY-PRODUCTS UTILIZATION 

 INVESTIGATIONS, WASHINGTON AGRICULTURAL EXPERI- 

 MENT STATION, PULLMAN, WASHINGTON 



Professor of Plant Physiology and Head of Department of Botany, Alabama Polytechnic 

 Institute, Auburn, Alabama, 1912-1916; Alabama State Botanist, Alabama Agricultural 

 Experiment Station, Auburn, Alabama, 1912-1916; Biochemist in charge of Fruit By- 

 products Investigations, Washington Agricultural Experiment Station, 1916 — . 



Member: Amer. Assoc. Adv. Sci. (Fellow), Bot. Soc. Amer., Botanists Cent. States, 

 Phi Beta Kappa, Sigma Xi. 



PUBLICATIONS 



Effect of toxic agents upon the action of bromelin. Bot. Gaz. 39: 409-419. 1905. — 

 A primer of hygiene. {With J. W. Ritchie.) 1910. — The relation of environmental 

 conditions to the phenomena of permanent wilting in plants. Physiol. Res. 1: 1-56. 

 1913. — Some new conceptions of soil infertility. Proc. Alabama State Hort. Soc. 9: 

 44-59. 1914. — A study of antagonism. Bot. Gaz., in press. Chemical changes in the 

 apple induced by the brown-rot fungus (Sphaeropsig malorum). Jour. Agric. Res., in 

 press. — The evaporation of apples and berries. Washington Agric. Exp. Sta. Tech. 

 Bull., in press. Physiological role and chemical composition of certain cactus mucilages. 

 Bot. Gaz., Ml press. 



66 



