Fig. 20. — -Opalescent. Hlado niedium sizi', somewhat folded, sometimes 

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



ightiv 



/'/,-./., /,;/ H. L. Coffin. 



Fig. 21. — Fall Pippix. Blade large, long and rather narrow, folded, reflexed and 

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



