270 



The Journal of Heredity 



AN EXTREME TYPE OF CRINKLY MAIZE 



In some stocks of Crinkly, especially those in which the abnormal characteristics are developed 

 to an extreme degree, the tassels have difficulty in piishinij out of the rolled upper leaves. It is 

 sometimes necessary to slit the upper leaves. "The ears of crinkly arc usually somewhat smaller 

 than those of normal plants but are not otherwise materially dilTerent." (I-'ig. 26.) 



On the whole, it is thf)iight safe to may be influenced by modifying factors 



conclude that crinkly is a simple seems likely, however, in view of the 



mendelian recessive to normal and that noticeable differences in height of 



the two types are differentiated by the plants and in breadth, crinkliness, 



single factor pair Cr cr. That the and lobing of leaves in different 



expression of the character crinkly stocks. 



