290 GLIMPSES INTO PLANT-LIFE 



substance which so beautifully colours tree trunks 

 in moist situations) and yeast, are formed of one 

 cell on]\% and \\hen such cells attain their full size 

 they simph' dixide into two or more cells which 

 <^row, and finall)- attain maturit}- when the process 

 is repeated. 



The other example is that known as the straw- 

 berry " runner," this, as we know, is only an 

 elongated stem bearing at the end a bunch of 

 leaves, and from the base of the leaves a few roots, 

 the whole being a new plant which may be 

 remox'ed from the parent and grown in some other 

 place. 



These, then, are examples of vegetative repro- 

 duction, and my readers can disco\'er for them- 

 selves many other instances in the garden. 



The plan of propagation by "cuttings" is simply 

 the gardener's practical application of vegetative 

 reproduction. 



The second mode of increase is by special 

 reproductive cells, which are set free by the parent 

 plants and become new individuals. The second 

 mode is common to all plant-life, and in it two 

 distinct processes can be observed. VVe often sec 



