PLUMS. 



EUROPEAN GROUP PRUNUS DOMESTICA. 

 DIVISION I. RED, PURPLE, OR BLUE. 



Archduke.* Large, round-oval, dark purple ; flesh firm, quality 

 good. Hangs on the tree a long while. An excellent late market 

 sort. England. 



Blue Imperatrice. (Imperatrice.) Size medium, obovate, nar- 

 rowed to -the base in a somewhat conic neck ; skin deep purple, 

 bloom copious, blue ; stalk three-fourths of an inch long, slightly 



FIG. 741. Bradshaw. 



sunk; flesh greenish-yellow, rather firm, hot juicy, rich, sugary; 

 ripening very late, and hanging till nearly winter. 

 The variety known erroneously as the Serniana or Blue Impera- 

 trice of Boston, and disseminated as such, differs from the true 

 Imperatrice in its shorter and smaller neck, much shorter and not 

 sunk stalk, and more acid flavor. It is very productive, and a 

 good very late culinary sort. 



Beauty of Naples. Medium, round, sides uneven; stem half-inch, 

 purple, slight bloom, many yellow specks; flesh yellow amber, 

 tender juicy, sweet, semi-cling. Productive. 



