[13] 99 FLOWERING PLANTS 



Fruits (continued). 

 III. PEAR (Pyrus communis) (Rosacece). 



A . Sketch a longitudinal section of an old Pear flower, shewing (a) receptacle-tube fused with the styles above, 

 (b) sepals, (c) stamens, (d) styles, (e) ovary and ovules. 



B. Draw transverse and longitudinal sections of a very young Pear fruit and observe the carpels becoming 

 surrounded by the fleshy receptacle. 



C. Sketch a ripe Pear in longitudinal section shewing (i) the stalk with the vascular cylinder continued 

 up to the base, through the central column and round the sides of (2) the carpels with horny walls (pericarp - 

 ' core ' of the pear) and cavities containing (3) the seeds (' pips '), (4) the fleshy receptacle completely surrounding 

 the carpels, (5) the styles, (6) the remains of sepals and stamens surmounting the whole. 



A 



