Scie Sat ye 3 dil ote 
ci ala Sa me a A i i ky 
On the Plants of the World before Man. 273 
referred by Saporta to Magnolia. The Bohemian Ceno- 
manian has leaves of Aralia, Hymenea and Hedera, of types re- 
cognized, by analogy of characters, in the flora of the Dakota 
our zone, while the Coal period is that of the whole vege- 
table kingdom. ‘From the Cenomanian begins an evolution 
from which the new tribes progress by multiplication and vari- 
ation in a constantly increasing proportion.” 
I shall now consider in more detail some of the points estab- 
lished in the examination of the Tertiary flora, the more im- 
portant and original part of the book. For I fin ere a 
Symplocos and a Hedera (a species of ay scarcely 
ro 
Upper Paleocene strata have been obtained : 
and Araucarie, a Bambusa, and Palms with flabellate fronds. 
In the examination of the remains of plants obtained from 
