DICOTYLEDONOUS PLANTS 



351 



The genus Rubus includes the many species and varietiee 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 o'i aggregate fruit. 



The g.entis Fragaria includes the many species and varieties 

 of the strawberrj^ (Figs. 191, 192, 193). 



LEGUMiNOSiE (Pea or Pulse Family). — Herbs, shrubs and 

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

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



