XIX 



THE CLASSIFICATION OF PLANTS 



259 



Leaves. Cauline, alternate, pinnately compound, with a 

 terminal leaflet. The margin of the leaf is serrate. Leaves are 

 stipulate, and these are adnate (p. 46). 



Inflorescence. Definite. The flower is produced at the end 

 of a branch (in some cases other flowers may be produced in 

 subjacent bracts). 



Bract. Bracteate. 



Flower. Complete, actinomorphic, large, coloured, and sweet- 

 scented. 



FIG. 250. Pear (Pyrus communis). r, Flowering branch ; 2, longitudinal section of 

 flower : 3, longitudinal section of fruit ; 4, floral diagram. (S.) 



Calyx. Gamosepalous, 5 lobed, sepals inferior. 

 Corolla Polypetalous ; 5 perigynous petals. 

 Androecium. Free, indefinite, perigynous stamens. 

 Gynoecium. Apocarpous ; carpels numerous and superior. 

 Each carpel contains a single ovule. 



S 2 



