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ORGANS AND FUNCTIONS OF PLANTS. 



Germinating seeds of cabbage palm, to show the gemlet, with 

 its sheath, a, a, the first radicle; b, its sheath; c, the geralet 

 just appearing ; d, d, d, d, d, d, d, branches from the first radicle ; 

 e, e, seed pore ; /, sheath of the gemlet ; g, the gemlet with a cleft 

 tip, through which the inner leaf shoots. 



The embryo of the seed may be erect l , as in the 

 apple and plum ; inverted 2 , as in the nettle and rock 

 rose ; oblique 3 , as in the primrose ; or curved 4 , as in 

 the pink and pea. 



Arrangement of Seeds and Fruits. 

 The number of sorts of seeds and fruits which vari- 

 ous plants produce, require to be disposed in some 

 order, a subject which has been carefully studied by 

 Gaertner, Richard, Mirbel, and Desvaux. The best 

 arrangements are still very defective. 



(l) In Latin, Orthotropus or Anatropus. 



(2) In Latin, Antitropus. (3) In Latin, Heterotropus. 



(4) In Latin, Campulitropus. 



