244 



BOTANY. 



Finally, by the elongation of the leaves, the whole plant is 

 pushed out of the now empty seed-coat (Fig. 145, ///). 



Fig. 145.— Seeds of a Pine in different stages of germination. J, ripe 

 seed in longitudinal section ; s, seed-coat : c, endosperm ; u\ axis of 

 embryo ; c, leaves ; y^ opening in seed-coat. 7J, 11^ four views of the be- 

 ginning of germination : A, external view ; B, with half of the seed-coat 

 removed ; 0, in longitudinal section ; D, in transverse section ; s, seed., 

 coat ; e, endosperm ; c, leaves ; w, root. IIJ.^ germination completed. 



