CLASSIFICATION 195 
and pollen being protected, and self-pollination being 
always possible. 
(3) 'The excellent mechanisms for seed dispersal. 
Fie. 109.—Gerbera asplenifolia. 
I. Section through Capitulum. II. Disc-flower. II. Stamen. 
Chief Genera.—These are grouped as follows :— 
(1) Tubuliflorae—Some or all florets tubular. 
(2) Liguliflorae —All florets ligulate. 
To the Tubuliflorae belong Vernonia, Bellis (the 
13 * 
