FLESHY FRUIT 



[CH. 



other investing coverings obtain a succulent mesocarp, 

 owing to the filling of their cells with sap of a sweet or 

 otherwise attractive character, which induces animals to 

 eat and disperse them. In correlation with this such 

 fruits are as a rule indehiscent, and the seeds protected 



Fig. 23. Walnut, Juglans regia. 1, flowering shoot, bearing a a 

 male catkin and b a female inflorescence ; 2, male flower with a a stamen 

 seen from within, b one from the side; 3, female flower; 4, vertical 

 section of same ; 5, fruit with one half removed ; 6, vertical section 

 through the nut ; 2, 3 and 4 enlarged (Wo). 



