PLATE XXXIV
BRAUN'S HOLLY FERN
a Portion of pinna
b Fertile pinnule, indusia gone
48. COMMON POLYPODY. SNAKE FERN
Polypodium vulgare
Almost throughout North America, on rocks. A few inches to more than a foot high.
Fronds.—Oblong, smooth, somewhat leathery, cut into narrowly oblong, usually obtuse divisions which almost reach the rachis; fruit-dots large, round, half-way between the midrib and margin; indusium, none.