58 
a Jeon of z a jean of a epee es our plage Its any 
with the t 
wise notes the cuties of He Richmond flora to these same 
floras in additio: other 
It seems oe hess to consider the newly restored 
specimen as ne es on taine’s nee tie ad ing anew 
species to the Juancit 
emphasizing the ee existing ee the several North 
merican Triassic floras. 
The following general facts in regard to the plant here dis- 
help th 
cussed may hel e reader t learer understanding of it 
The fossil cycad genus Sphenozamites was founded by Brongniart 
in t was conside ry imper e re- 
1 ene! 
genus flourished throughout the whole of early mesozoic time, 
nt e as e i 
The leaves of Sphenozamites Rogersianus were large. According 
to Fontaine who founded the species they could not have been 
less than a meter in length. 
conclusion the writer acknowledges his indebtedness to 
Dr. ae hur Hollick for the - a advice and criticism given 
during the preparation of this s 
Epwin W. HuMPHREYS 
BIBLIOGRAPHY 
Fontaine, W. 1883. Contributions to the ata of Br older mesozoic 
flora of vii Mon. U. S. Geol. Survey 6: 
Newberry, J. 18884. Triassic plants from ona uras. ou New York 
Aca Sel r T13t Ig. 
1888). Honduras. Am. Jour. Sci. 36: 342-351. pl. 8. 
