Fia. 34. Tips of ears. Left to right, well-covered tip, exposed tip and very tapering tip. 

 Fia. 35. Butts of ears. Left to right, well-shaped butt, expanded butt, and contracted butt. 



Fio. 36. Shape of kernels. 



(1) round; (2) square; (3) short keystone; (4) deep key- 

 stone; 5 shoepeg. 



