96 ESSENTIALS OF BOTANY 



notches in the leaf-margin and are accompanied almost 

 from the first by minute roots. 



Pin up a bryophyllum leaf on the wall of the room or 

 lay it on the surface of moist earth, and follow day by 

 day the formation and development of the buds which it 

 may produce. 



This plant seems to rely largely upon leaf-budding to 

 reproduce itself, for in a moderately cool climate it rarely 

 flowers or seeds, but drops its living leaves freely, and from 

 each such leaf one or several new plants may be produced. 



114. Review Summary of Chapter IX. 



r Coverings. 



Buds < 



r leaf-buds. 

 Contents . . .J flower-buds'. 

 L mixed buds. 



Classes of buds as regards J regular 



position I 



t irregular. 



Make a sketch of Fig. 58 as it looked in June of the same sum- 

 mer ; also as it would look the following June (Fig. 58 represents the 

 autumn condition). Sketch the twigs of Fig. 24 and Fig. 25 as seen 

 one year later. 



