306 J. D. Hooker, Introductory Essay to the Flora of Tasmania, 
strobili have been hitherto detected in the Carboniferous form 
tion 
Cycadee. Some fragments of wood, presenting a stnking 
similarity in anatomical characters to that of Cycadec, have beet 
in the carboniferous series. : Li, 
In the absence of the fructification of Oalamites, Calamo 
dron, Halonia, Anabathra, etc., there are no materials for any 
safe conclusions as to their immediate affinities, beyond that the 
The Permian Flora is for the most part specifically distinct 
from the Carboniferous, but many of its genera are he same 
woe prevalent types are Gymmospermous Dicotyledons, esp? 
and more herbivorous genera of insects; and here Monocot} 
nous vegetables are recognizable in Podocarya and re 
daneous plants. A cone of Pinus has been discovered 2 O 
Purbeck, and one of Araucaria in the inferior Oolite of Some 
* Phil. Trans., 1855, p. 149. 
t ey Quarterly Journal of the Geological Society, 
rt the fewest insects, an 
tation consisting solely or | 
