INDEX 
Fern, Cinnamon, 433 Filament, 274 
foot of, 71, 433 : gross structure of, 277 
histology of, 277 
Filbert, 297 
Filicales, 434 
Filicinea, 431 
Fir, 465 
Fission, 45, 367 
of Amorba, 28 
Fistulina, 404 
Fixation, 692 
of atmospheric nitrogen, 178 
Fixed oils, 95 
