~y 
1903] ARALIA IN AMERICAN PALEOCOBOTANY 427 
Existing Existing 
Te. iapana x of American 
Ea Asia Species 
Mi a Z 
acene acerifola Zaddachi ' angu +e 
. dissecta 
Green River macrophylla — | a6 | 
| er, ar: | 
Fort Union || ecerifoha / a 
any is ee eRe ied triloba 
nitata Loosiana digitata s 5 
‘ x - 
ah ! > 
Denver i notata \ SE 
: 4 bs 
Laram Ie gracilis | 1 \ \ = | 
L 
: rotuxdata\ Westont radiata tenuinervia 
: ‘ S bn wi 
3 3 
\ 2 & 
i) 3 S 
1 Ss 
aS 
S an. 
Dakota / ae 
subemarginata Saportana guingiepartita 
formosa 
Wellinstoniana 
groenlandica Vaughani 
I 
Atane groentandica | Ravniana ‘ 
Brittonianum | i] : : 
Matawan ay ee Ravniana Townert \ mattewanensis 
ta ¥ / 
Island | \ \ \ / | 
NASSAUEHSIS 
\ 
Wellingtoniana guinguepartila 
polymorpha 
Raritan rotundiluba 
JSormosa 
groentandica i 
Potomac Fontainei 
re——_______] 
