BUDS 



linllowed out into a sort of inverted cup, as in the Buttoii- 



wood, or Plane Tree 

 (Fig. 19). 



32. Large and 

 strong Ijuds, lilce 

 tliose of tlie 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 awaj in the 

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

 ing season plainly visible as small buds. Buds containing 



Siib-petiular bud of the Plane Tree. 



20. Unilergro'.jd stem (xt), thickened roots {i-t) , and 

 resting bad ot Bellwort {Uvidaria). 



l)otli leaves and flowers are termed mixed hucls. Under 

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

 leaves of autumn, similar strong buds of our j)erennial 

 lierbs mav be fdund (Fig- 20). 



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

 state of lest, or dormancy, during the winter, althougli 

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

 seeds. Buds are therefore more easily aroused to activity; 



