162 Observation of the Origin of J 7 arictics. 
will always find between the tongue florets, more or less 
numerous tubular florets which are hidden from view by 
the others. Moreover, the degree of doubling is to a 
considerable extent subject to fluctuating variability; one 
plant has more and another fewer, transformed florets. 
Fig. 28. Chrysanthemum inodoruui plenissimum. A plant 
with a high degree of doubling in the inflorescences, and, 
consequently, perfectly sterile. 
This is an important point, for the white tongue florets 
of C. inodoruui plenissimum are female and inflorescences 
such as those shown in Fig. 28 and Fig. 34C on page 184 
set absolutely no seed. The variety is therefore main- 
