UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 925 
Contribution from the Bureau of Plant Industry 
WM. A. TAYLOR, Chief 
Washington, D. C. 
PROFESSIONAL PAPER 
February 18, 1921 
A BRACHYTIC VARIATION IN MAIZE 
By 
J. H. KEMPTON 
Assistant in Crop Acclimatization 
CONTENTS 
Page 
Definition of Brachysm 1 
Review of the Literature 2 
Origin and Description of the Variation 2 
Inheritance of Other Brachytic Variations 6 
Morphological Significance 8 
Associated Changes 9 
Agricultural Advantages 11 
Inheritance of Brachysm in Hybrids with Commercial Varieties 14 
Conclusions 26 
Literature Cited 28 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1921 
