: RON RIVER VALLEY 27 
1906] TRAN SEAU—BOGS OF THE HU 
ual 
7 
F. 
E. Dry sand 
Fic. 14.—A, B, C, D, E, camera drawings of leaf sections resulting ia 2 7 
in the Pee te sia *135- F, diagrams showing average : 
breadth of leaves, 
