16 MODEL OF A SYMPODIUM [CH. II 



have formed at the knot on the opposite side. Then 

 repeat the process of " hanging " on the second piece, and 

 suppose a second flower-bud to develope at its end, and a 

 bract as before, and so on. 



On now stretching out the whole chain of pieces of 

 string, we should still have an apparently single axis with 

 apparently lateral flower-buds ; but it is obvious that this 

 axis is really compounded of different lengths, and that 

 each flower-bud terminates one stretch of the sympodium. 



