30 



BUDS 



hollowed out into a sort of inverted cup, as in the Button- 

 wood, or Plane Tree 

 (Fig. 19). 



32. Large and 

 strong buds, like 

 those of the Horse- 

 chestnut and Hick- 

 ory, contain besides 

 the scales several 

 leaves or pairs of 

 leaves, ready formed, 

 folded, and packed away in small compass, just as the 

 seed leaves of a strong embryo are folded away in the 

 seed ; they may even contain all the blossoms of the ensu- 

 ing season plainly visible as small buds. Buds containing 



19. Sub-petiolar bud of the Plane Tree. 



20. UndergroT-nd stem (**), thickened roots (rf), and 

 resting bud of Bell wort (Uvularia). 



both leaves and flowers are termed mixed buds. Under 

 the surface of the soil, too, or on it, covered with the dead 

 leaves of autumn, similar strong buds of our perennial 

 herbs may be found (Fig. 20). 



33. The resting state. Buds, like seeds, remain in a 

 state of rest, or dormancy, during the winter, although 

 life is hardly reduced to such low terms in buds as it is in 

 seeds. Buds are therefore more easily aroused to activity; 



