IDENTIFICATION OF PLUM VARIETIES 



11 



Figure 7. Leaf Margin. 

 1. MONITOR — even; 2. ALBION — coarsely waved; 3. GERMAN PRUNE — finely waved. 



The nature of the upper surface of the leaf is worthy of careful note (Figures 8 

 and 9). It may be smooth as in Wickson, slightly buUate or pebbled as in French 

 Damson, very bullate as in Pearl, slightly rugose or wrinkled as in Shropshire 

 or quite rugose as in English Shropshire. Furthermore, the leaves of some va- 

 rieties have pubescence on the upper surface. This is particularly true of the 



Figure 8. Leaf Surface. 



1. SHROPSHIRE — slightly rugose; 3. FRENCH DAMSON — slightly bullate; 



2. ENGLISH SHROPSHIRE — rugose; 4. PEARL — bullate. 



