THE ERAS OF THE FLOWERING PLANTS
THE ERA OF THE ENDEMIC GENERA
THE AGE OF COMPOSITÆ
The islands of the tropical Pacific as the homes of new genera and new
species.—The significance of a large endemic element.—Synopsis of the
eras.—The era of endemic genera.—The endemic genera of
Compositæ.—Their affinities and mode of dispersal.—The mystery of the
suspension of the dispersing agencies.—Mr. Bentham’s views.—The
remnant of an ancient Composite flora in the tropical Pacific.—The
dispersion of the Compositæ antedates the emergence of the
island-groups of the Fijian region at the close of the Tertiary
period.—Summary
_Pages_ 231-249