CHAP. III.] ROSE^. 51 



characters are common to the order; but the 

 plants included in it differ from each other 

 so much in other respects, that it has been 

 found necessary to redivide Rosacese into tribes, 

 of which the following six contain plants com- 

 mon in British gardens. 



TRIBE I.— ROSE^. 



The flowers of the wild Rose have the lower 

 part of the calyx tubular and fleshy (from being 

 lined with the dilated receptacle) and the upper 

 part divided into five leafy sepals, which enfold 



Fig, 20.— Rosa Fosteri. 



the bud, and remain on after the expansion of 

 the corolla. In Rosa Fosteri^ (see Jig. 20,) and 



E 2 



