DICOTYLEDONOUS PLANTS 



351 



The genus Rubus includes the many species and varieties of 

 the blackberries, dewberries and raspberries (Figs. 189, 190). 



Sub-Family Potentillece (Strawberries). Ovaries supe- 

 rior, carpels few to many, becoming dry achenes; fruit a mass of 

 dry achenes or a pulpy receptacle, bearing minute, dry achenes. 



FIG. 190. Blackberry, a form oi aggregate fruit. 



The genus Fragaria, includes the many species and varieties 

 of the strawberry (Figs. 191, 192, 193). 



LEGUMIISTOS^E (Pea or Pulse Family). Herbs, shrubs and 

 trees; leaves alternate, stipulate, compound, rarely simple; 

 flowers perfect, regular or irregular; sepals five, more or less 



