KEVIEW ON FLOWER-BRANCHES 



121 



those which are fairly typical of the 

 the various classes discussed in the 

 preceding paragraphs. As soon as 

 the main types are well fixed in 

 the mind, random clusters should 

 be examined, for the pupil must 

 never receive the impression that 

 all flower -clusters follow the defini- 

 tions in books. Clusters of some 

 of the commonest plants are very 

 puzzling, but the pupil should at 

 least be able to discover whether 

 the inflorescence is determinate or 

 indeterminate. 



In the tomato (Fig. 186) the 

 flower- cluster is opposite the leaf. 

 185. Scape, of the true or English daisy. Examine blooming tomato plants, 



and determine the method of this inflorescence. Compare the grape. 



In some cases the flower- cluster 



ends in a leaf, suggesting that 



the cluster is morphologically a 



leaf; but see whether there is 



not a joint between the cluster 



and the leaf, showing that the 



leaf is attached to a branch. 



The flower-cluster of the tomato 



has been greatly modified by 



cultivation. It was originally 



distinctly racemose. 186. Tomato shoot. 



Geraniums in the school-room window. 



