. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 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.
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 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 — Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massachusetts Agricultural Experiment Station. Amherst, : Massachusetts Agricultural Experiment Station, 1907-1974
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