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CLASSIFICATION OF FRUITS. 



or one is succulent and of an orange red ; the interior hard 

 and woody, encloses the fruit. 



Here is a representation (Fig. 81) of an acorn, which is the 

 Fig. 81. 



fruit of the oak (QUERCUS rdbur) ; it stands in a hemispherical 

 cup, formed of imbricated scales. The pericarp, called a 

 gland, is ellipsoid, coriaceous, one-celled, and one-seeded. 

 The seed is tunicated ; the embryo is dicotyledonous ; the co- 

 tyledons are large and fleshy ; a, an entire Calybion ; b, the 

 cup, (d two abortive glands) ; c the gland cut vertically, show- 

 ing the embryo near its apex. 



Fig. 82. 



3d. Sycone (from sucon, a fig). This 

 genus presents fruits enclosed by a fleshy 

 involucrum or receptacle ; as the fig. 

 Fig. 82, a, represents a sycone or a fig, 

 open at the summit; b the same cut 

 transversely. 



Describe the fruk of the oak Sycone. 



