DICOTYLEDONS: RO SALES. 



679 



1170. The rose family (Rosacese) . In this family there are 

 five types, represented by the 

 following plants and illustra- 

 tions: i st. In spiraea (fig. 565) 

 the receptacle is cup-shaped. 

 There are five carpels, united 

 at the base, but free at the ends. 



2d. In the Strawberry the re- Flower of Fragaria vesca with columnar 



ceptacle is conic and bears the 



carpels (fig. 566). The conic receptacle becomes the fleshy 

 fruit, with the seeds in little pits over the surface. 3d. The rasp- 

 berries, blackberries, etc., 

 represented here by the 

 flowering raspberry (Rubus 

 odoratus), fig. 567. 4th. 

 This is represented by the 

 roses. The receptacle is 

 urn-shaped and constricted 



Fig. 567. 

 Flowering raspberry (Rubus odoratus). 



Fig. 568. 



Perigynous flower of Rosa, 

 with contracted receptacle. 

 (From Warming.) 



toward the upper portion, with the carpels enclosed in the base 

 (fig. 568). 5th. Here the receptacle is cup-shaped or bell-shaped 

 and nearly closed at the mouth as in the agrimony. 



