464 



D ICOT YLE DORIES. 



loculus (Fig. 504 D). The large flowers are situated in few- 

 flowered umbels or corymbs. P. communis (Pear ; free styles, Fig. 507 ; 

 it has the well-known pear-shaped fruit ; the core is reduced to several groups of 



FIG. 503. Cydonia valgans. Longitudinal section of fruit. 



sclerenchymatous cells embedded in the pulp, the leaf-stalk is as long as the 

 blade). Cydonia (Quince) has a hairy fruit with many seeds in 2 

 rows in each loculus of the endocarp (Figs. 504 (7, F ; 506); the 

 testa of these seeds is mucilaginous. C. vulgaris, large, terminal 

 flowers on lateral branches, 

 and large leaf -like, per- 

 sistent sepals. 



2. Mains and Amelan- 

 chier(Aronia}\ carpels free 

 on the ventral edge ; styles 

 united. Malus communis 

 (Apple) the fruit is " um- 

 bilicate " at the base ; no 

 sclerenchymatous cells in 



the pulp ; Styles united at FIG. 507. Longitudinal section of Pear flower. 



