12 



ZMSSOJYS WITS PLANTS 



the base of the stronger shoot (a). The lilac, 

 therefore, gets up in the world by a process 

 of suppression. This suppression begins the very 

 year in which the buds are forming, for we 

 have already seen (Fig. 3) that companion 



buds are generally un- 

 like ; sometimes this 

 early suppression goes 

 so far that one bud 

 never has an oppor- 

 tunity to fully de- 

 velop. 



14. In the fall, the 

 old seed-pods of the 

 lilac stUl persist on the 

 bush. They are shown 

 in Fig. 9. That is, both 

 the terminal buds upon 

 this shoot gave clusters 

 of flowers, and it rested 

 with the lower pairs of 

 buds to continue the 

 growth. Two of these 

 pairs have made the ef- 

 fort, while the buds be- 

 low them remain dormant 



Fig. 10. 



and will never grow un- 



Winter twig of black haw, showing ° 



the aide buds at a u. less somc injury should 



