18 



MORPHOLOGY 



latter arc practically the earliest cllieient foliage of the plnntlet. 

 Thus, as in the germinating C'lierry-seed ( l-'i^-. :;i). three or four 

 internodes of stem, with their leaves, may be produced before 

 these leaves themselves are siillicieiitlv developed to make any 

 contribution to this irrowth. And in the Beech :,nd lieaii. 



the leaves of the plumule come forward almost before the root 



has attached the plantlct to the soil. (FiiT. -'^. :i;").) Between 

 such cases and that of Maple and the like there are all decree >. 

 There are also familiar east's in which the storage of nourishment 

 in the cotyledons is carried to a maximum, with results which 

 gravely ailed the development. 



j.'Ki. :;i. '['!,,. rnil.r\n Mhr \\lml,' krnn'l) of the Bean. 35. Same early in ^ermi- 

 TKition; (lie tliiiU e.iiyleilniis e\|i:ncliii'4 ami slinwiii^ the plumule. 3G. Same, more 

 julvanei'il in uenninatinii ; (lie plumule Jovelxpeil into :ui iiiterncule nf stem liearing a 

 ]i:iir 1. 1' le:i\ 88. 



FIG. :!7. Kinbryo of Pea, i. <. a pea minus the seed-coat. 38. Advanced germi- 

 natior of the same 



