DICOTYLEDONOUS PLANTS 



349 



The pear (P. communis) is a native of Europe and was used 

 by the ancient inhabitants. The quince (P. cydonia) is a native 

 of Asia and was well known to the ancient Greeks and Romans. 

 Both of these fruits are very generally grown throughout the 

 north temperate zone. 



The various species of American hawthorns (Cratcegus) and 

 of June berries. ( A melanchier) belong to this sub-family. 



FIG. 188. Orchard production. 



Sub-Family Prunece (Peaches, Plums, Cherries). Ovary 

 superior; pistil solitary; fruit a drupe (Figs. 186, 187). 



This includes the many varieties of the common peach 

 (Prunus persia), which is of very ancient origin and is a native 

 of Persia, or China or probably of both. It is one of the most 

 valuable fruits grown in America. This sub-family also includes 1 

 the almond (Amygdalus or Prunus} (P. communis and P. 

 nana] ; the apricot (P. armeniaca} ; the many species and varie- 

 ties of both European and American plums, and the many species 

 and varieties of European and American cherries (Fig. 188). 



