34 FERNS OF KENTUCKY. 
The name Polypody means many-footed, and it has been 
explained to apply to the branching of their creeping stems, 
which have a fancied resemblance to Polypes. 
Figure 1 shows two pinnules magnified about three 
diameters; figures 2, 3, and 4, sporangia and spores 
greatly magnified. 
