276 INDEX I. 



PAGE 



C. The Shell. — Not always shelly, yet best 

 described by this general term ; and 

 becoming a shell, so called, in nuts, 

 peaches, dates, and other such kernel- 

 fruits 247 



The products of the Seed and Husk of Plants, 

 for the use of animals, are practically to 

 be massed under the three heads of 

 Bread, Oil, and Fruit. But the sub- 

 stance of which bread is made is more 

 accurately described as Farina ; and the 

 pleasantness of fruit to the taste depends 

 on two elements in its substance : the 

 juice, and the pulp containing it, which 

 may properly be called Nectar and 

 Ambrosia. We have therefore in all 

 four essential products of the Seed and 

 Husk— 



A. Farina. Flour 253 



B. Oleum. Oil 254 



C. Nectar. Fruit-juice 255 



D. Ambrosia. Fruit-substance 256 



Besides these all-important products of the seed, ■ 

 others are formed in the stems and leaves of plants, 

 of which no account hitherto has been given in 



