PART 111. | THE MECHANISMS OF FLOWERS. 371 
a e so small and so closely aggregated that the larger insects come 
In contact with many at once in their visits; secondly, the styles 
elongate until they overtop the lobes of the corolla; and thirdly, 
here as in Campanula the flowers are markedly proterandrous, 
_ the style bearing first a cylindrical brush covered with pollen 
(Fig. 120, 3), and afterwards, when both pollen and hairs have 
Sat, a ++ 
- —_ “a 
EE ERM TES 1 
Fic. 120.—Jasione montana, L. 
1.—Essential organs, from a young bud. The still closed anthers have been separated slightly,” 
to show the style with its brush lying between them. 
__ 2.—Essential organs, of am older bud. The anthers have shed their pollen upon the styie, and 
_have shrivelled up into narrow lobes which remain coherent at their base. 
_ 8,—Flower, in first (male) stage. 
_ 4,—Ditto, in second (female) stage, after removal of the calyx and corolla. 
flowers is fully compensated for by the union of a large number in 
acapitulum. Sprengel states the number of florets in a capitulum 
to be about seventy; in the specimens that I have examined, 
I have found the number to be considerably over 100, even 
reaching 180. 
> BB 2 
disappeared, displaying a two-lobed stigma. The small size of the 
