44 T. L. Lyon anp J. K. WILson 
sition of the timothy plant during growth and ripening, with a com | 
parative study of the wheat plant. Missouri Agr. Exp. Sta. Research | 
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Warers, H. J. Studies of the timothy plant. Part I. The influence 
of maturity upon the yield, composition, digestibility, palatability, and 
feeding value of timothy hay. Missouri Agr. Exp. Sta. Research bul. 
“19: 1-68. 1915. 
Witrartu, H., Romer, H., anp Wier, G. On the assimilation of 
the elements of nutrition by plants during different periods of their 
growth. (English translation of Ucber die Nahrstoffaufnahme der 
Pflanzen in verschiedenen Zeiten ihres Wachstums. Landw. Vers. Stat, 
63:1-70.) 1906. 
Wison, James K. Calcium hypochlorite as a seed sterilizer. Amer. 
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1911: 
Memoir 38, The Crane-Plies of New York. Part II. Biology and Phylogeny, the second precedin; 
19: 
number in this series of publications, was mailed on July 18, 1921. \ ! ; 
Memoir 39, The Genetic Relations of Plant Colors in Maize, the next preceding number in this series © 
publications, was mailed on July 19, 1921. 
