VEGETATIVE REPRODUCTION 



CHAPTER XVI 



VEGETATIVE REPRODUCTION 



VEGETATIVE REPRODUCTION, in its broadest meaning, in- 

 cludes all those methods of increasing the number of the 

 individuals of a species other than by the special bodies 

 called seeds and spores. Some plants have a number of 

 ways of multiplying vegetatively, others very few or none at 

 all. We shall examine a few typical cases. 



I. Take a well-grown stem of the Tiger Lily of the gardens 

 and notice : 



1. The stem. 



2. The leaves. 



3. The black bodies in the axils of the leaves. They are 



called bulblets. 



4. Sketch a piece of stem, a leaf, and a bulblet. 



5. Are the bulblets leaf- or branch-structures? Write down 



your answer and give reasons for it. 



II. Detach a bulblet, dissect it and make sketches. 



1. Do the bulblets drop off or not? 



2. What is the bulblet for? 



3. How does it produce a new individual? 



III. Examine the flowering portions of a number of culti- 

 vated Onions and notice : 



