106 



CALYX-TUBE 



[CH. 



superior and the other parts of the flower hypogynous ; 

 but exactly the same series of events may occur with 

 perigynous and epigynous flowers in which the ovary is 

 inferior. Thus, in the Rose the apocarpous pistil is 



Fig. 27. A, B, Apple, showing five carpels, j, embedded in fleshy 

 calyx-tube; E, E^, Bowan, showing four carpels; F, F'^, White Beam 

 Tree, showing obliteration of all but one of the carpels as the fruit ripens ; 

 G, G^, Service Tree, showing four carpels (E and P). 



immersed in the urn-shaped fleshy calyx-tube (Fig. 129) ; 

 and in the Apple, Pear, Rowan, Hawthorn, &c., the calyx- 

 tube grows round the more or less syncarpous pistil and 

 renders it completely inferior (Fig. 27). 



