ORIGIN AND CLASSIFICATION 25 



References to crosses of maize and teosinte : — 

 Hahshberger, J. W. Crosses of Teosinte and Maize. Garden 



and Forest, IX : 522. 

 U. S. Dept. Agr. Year Book, 1909 : 312. 



References on classification of maize : — ■ 

 BoNAPAUs. Mais, folio. Paris, 1836 (folio). 

 Index Kewensis. 



Sturtevant, E. L. (1899.) Varieties of Corn. Bui. 57, Office 

 of Exp. Sta., U. S. Dept. Agr. 



