FLORAL ANATOMY OF SOME COMPOSITÆ. ol 
Arber (1) for the fusion in that genus. In Tussilago Farjara, where there 
13 more symmetry, the upper distributive centre is much less complicated. 
Waa 
9 
Ета. 2.—Semi-diagrammatic sections of 
the florets of Senecio vulgaris (diags. 
1-8), Taravacum officinale (diags. 
9-11), Calendula officinalis (diags. 
12-16). 
Ета. 1.— Vascular system of tubular floret 
of Senecio vulgaris. 
