180 CHEMICAL AGENTS AND GROWTH 



Schneider, C. L. 1941. The effect of red light on growth of the Avena seedling 



with special reference to the first internode. Am. J. Botany, 28, 878-86. 

 Scholes, G., J. Weiss, and C. M. Wheeler. 1956. Formation of hydroperoxides 



from nucleic acids by irradiation with x-rays in aqueous systems. Nature, 



178, 157. 

 Scott, R. A., Jr. 1957. Biochemical and photochemical control of leaf disk 



expansion. Dissertation, Texas Agricultural and Mechanical College, College 



Station. 

 Scott, R. A., Jr., and J. L. Liverman. 1956. Promotion of leaf expansion by 



kinetin and benzylaminopurine. Plant Physiol., 31, 321-22. 

 . 1957. Control of etiolated bean leaf disk expansion by gibberellins and 



adenine. Science, 126, 122-24. 

 Skinner, C. G., R. G. Ham, D. C. Fitzgerald, Jr., R. E. Eakin, and W. Shive. 



1956. Synthesis and biological activity of some 6- ( substituted )-thiopurines. 



J. Org. Chem., 21, 1330-31. 

 Skinner, C. G., and W. Shive. 1955. Synthesis of some 6-(substituted) -amino- 

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1956. Effect of some 6-(substituted) -purines on regeneration of hydra. 



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 Thimann, K. V. 1956. Studies on the growth and inhibition of isolated plant 



parts. V. The effects of cobalt and other metals. Am. J. Botany, 43, 241-50. 

 Toole, E. H., S. B. Hendricks, H. A. Borthwick, and V. K. Toole. 1956. 



Physiology of seed germination. Ann. Rev. Plant Physiol, 7, 299-319. 

 Weintraub, R. L., and L. Price. 1947. Inhibition of mesocotyl elongation in 



various grasses by red and by violet light. Smithsonian Inst. Pubis., Misc. 



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