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POLYPODIUM VULGARE , Linn
,v.I L-il Boalor
P O L Y P O D I U M IN C A N U M . S w 2 . P O O T O D I U M F A L C A T U M K e llo g g
FERNS OF NORTH AMERICA.
P l a t e XXVI. — F i g . i .
193
POLYPODIUM SC O U L E R I, H o o k e r & G r e v i l l e .
Scouler’s Polypody.
P o l y p o d iu m S c o u l e r i : — Root - stock creeping, scaly ;
stalks rather stout, one to seven inches long ; fronds very
thick and coriaceous, cartilaginous-margined, smooth, fleshy
when recent, two to twelve inches long, broadly ovate, pinnatifid
to the midrib; segments linear-oblong, obtuse, obscurely
serrulate, the terminal one distinct, and often the longest; veinlets
anastomosing, and forming a single series of large areoles
with a few free external veinlets ; sori very large, borne near
the costule, one within each areole, and occurring on the upper
segments only, or towards the ends of the other segments also.
Polypodium Scouleri, H o o k e r & G r e v il l e , Ic. Fil., t. Ivi. — H o o k e r , Sp.
Fil., V., p. i g . — H o o k e r & B a k e r , Syn. Fil,, p. 3 4 2 ; E a to n ,
Ferns of the South-West, ined.
Polypodium carnosum, K e l lo g g , in Proceed. Cal. Acad., ii., p. 8 8 , f ig . 2 4.
Polypodium packyphyllum, E aton, in Amer. Jour. Sc. and Arts, July, 18 5 6 ,
p. 138.
H a b . — O n trees and stumps, less frequently on the ground; from
Guadalupe Island, Dr. P a lm e r , to the vicinity of Mount Shasta and
Crescent City, California, Professor B r ew e r , and northward to British
Columbia.
D e s c r i p t io n . — The root-stock is creeping, and more or
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