THE INFLORESCENCE. 



" Fig. 30. 



123 



observed in the Heliotropium Peruvianum, in the Sedums, in 

 the Droseras or sundews, and in most Boraginaceous plants. 

 The theoretical formation of this inflorescence may be ascer- 

 tained by consulting the ideal figure placed here by the side of 

 the scorpioid cyme of Myosotis palustris. 



The first flower is situated at b, and terminates the growth of 

 the primary axis a, b ; from the axil of the bract, or in the 

 place where it is suppressed at c, arises a secondary axis, c, d, 

 which by its vigorous development, usurps the place of the 

 primary axis, which is thus cast to one side. In like manner, 

 a tertiary axis, e, f, springs from the axis c, d, at e, the ter- 

 minal flower at d becoming apparently lateral, as before ; in 

 this manner a succession o unifloral axes are produced from 



