Geology and Natural History. 391 
one embryo. ; 
The three fundamental organs of the embryo have in them- 
plumule had begun its development. is experiment was vari- 
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different organs were placed under conditions favorable to speedy 
Sermination, and it was seen that each fragment germinated inde- 
pendently of the others, One embryo of the sunflower gave thus 
eight plants ' 
™. 
