Fi<;. 20. — OpALEsCEXT. Blailc incilium size, somewhat t'ohled, sometimes sliglitly 

 waved (A); serrations rather dull, fine and regular (B). 



Phi.l,, 1,11 /,'. /,. Cojli. 



Fic. 21. — Fall Pippin. Blade larse, long and rather narrow, folded, reflexed and 

 waved or wrinkled (A) ; serrations sharp, coarse and distinct (B) . 



