SEEDS AND SEEDLINGS 77 



Thus, then, in these cases, starting with the form of the 

 fruit, we see that it governs that of the seed, and that of the 

 seed again determines that of the cotyledons. But though 

 the cotyledons often follow the form of the seed, this is not 

 invariably the case : other factors must also be taken into 

 consideration ; but when this is done, we can, I venture to 

 think, throw much light on the varied forms which seedlings 

 assume. 



