20G 



ALIKIt.Mi-'N "1' I'tislTlON. 



direction of tlie leaves is that presented by a turnip (fig. 

 107)presented to tlieMuseum of King's College, London, 

 by the late Professor Edward Forbes. The turnip is 

 hollow in the interior and the majority of the leaves 

 springing from its apex instead of ascending into the 

 light and air become bent downwards so as to occupy 

 the cavity, and in such a manner as to bring to mind 

 the position of an inverted embryo in a seed. 



Altered direction of the flower and its parts. The changes 

 which take place in the relative position either of 

 the flower as a whole or of its several parts during 

 growth are well known, as also are the relations which 



Fio. 107. Hollow turnip, showing some of the leaves inverted and 

 occupying the cavity. 



some of these movements bear to the process of ferti- 

 lisation, so that but little space need here be given to 

 the subject beyond what is necessary to point out the 

 frequent changes of direction which necessarily accom- 



