/'// R. L. cm, 



Fn;. 2. — Gravensteix. Ulaik' laiiif, Hat, ri)innkMl (ir rather narrow at Iiase (A); serra- 

 tions inodcratc'lj' sliarji anil sliallow (H), fairly rcsular. 



Tl.:. :!. — McIxTOsH. Petiole short lAV hla.le larne, flat or slisilitly folded near ediie 

 broail (B) and heart shai)ed (C) at base, dee]) iiliiisli sreon; serrations rather dul 

 and shallow, especiall\- at base (D). 



