190 THE DICTIONARY 
OF GARDENING, 
Polypodium—continued. 
cut down to a broadly-winged rachis into entire, acute lobes, 
which are often lft. to 14ft. long and Zin. to 4in. broad. sort 
small, copious, slightly immersed, scattered. Java and Philip- 
ines. See Fig. . (H. G. F. i) Syns. P. morbillosum, 
aana Heraclea, 
Fic. 236. POLYPODIUM HERACLEUM. 
P. ne Ty MEY TE six-angled-winged). rhiz. wide-creeping. 
sti. lft. to 14ft. long, slender, glossy, stramineous. fronds 8in. 
to 12in. long, and nearly as broad, deltoid ; lower pinne 4in. to 
6in. long, the lowest pair deflexed, often 2in. broad; pinnules 
reaching down nearly to the rachis, those of the lower side lin. to 
lyin. long, pinnatifid half way down with broad, blunt lobes ; 
under side slightly villous. sori marginal. North America, 1811. 
Hardy. Syn. Phegopteris hexagoncptera. 
P. incanum (hoary). rhiz. wide-creeping, woody, with dense, 
- dull brown scales. sti. lin. to țin. long, erect, firm, furfuraceous. 
fronds 2in. to 4in. long, lin. to Hin, broad, cut down to the 
rachis into entire, s reading, somewhat distant pinne, iin. broad, 
dilated at base ; under side densely scaly. sori uniseriate. Tem- 
perate America and South Africa, &c., Greenhouse. SYN, 
Lepicystis incana. 
P. incurvatum (incurved). rhiz. woody, with adpressed scales. 
fronds dimorphous ; barren ones 6in. to 9in. each way, deltoid, 
te, tifid, with enti 
te, acuminate, entire 
stem, 
cut almost, or w quite, to the rachis into distant, erecto- 
patent, entire lobes, 4in. to 8in. long, about jin. broad, the lowest 
occasionally forked. sori uniseriate, quite immersed, and formi 
_ P, irregulare (irregular). A synonym of P. diforme. 
P. ji 0 (Walnut-leaved).* rhiz. woody, stout, with 
bright ferruginous scales. sti. 1ft. or more long, erect. 
lft. to 2it. long, lft. or more broad ; pinnæ din. to 8in. long, lin. 
_ to lżin. broad, in pairs about 2in. apart, with an acuminate tip, 
thicke: and wavy edges, and a rounded base. sori e, one 
between each main vein, forming a row nearer the midrib than 
the edge. areole copious, hidden. North India. SYNS. P. capi- 
tellatum, Pleuridium juglandijolium. ; 
_ P, lachnopodium (downy-footed). sti. densely hairy at the base 
Gael east atin ik a 
ong, lanceolate. Jamaica, + rari 
species in cultivation. š gi j 
, im- 
the mid- 
. to 
Polypodium—continued. 
each side. areolæ fine, uniform. North India. SYN. Phymatodes 
leiorhiza. 
P. lepidopteris rufulum (scaly-winged, reddish). rhiz. stout, 
with bright reddish-brown scales. sti. lin. to 4in. long, erect. 
fronds 6in. to 8in. long, 14in. to 3in. broad, 
cut down to the rachis into horizontal, 
entire pinnæ, gin. broad, blunt, much 
twisted, the lower gradually reduced. 
sori copious. Mexico, &c. SYN. P. ru- 
fulum. 
Fuk — (inclosed). fronds ovate- 
lanceolate ; lower pinn scarcely reduced. 
Otherwise similar to P. l. rufulum. SYN. 
P. sepultum. 
P. Lindleyanum (Lindley’s) A form 
of P. palmatum. 
P. lineare (linear). rhiz. woody, wide- 
—— with dull brown scales. sti. 
from almost none to lin. to 2in. long. 
fronds 6in. to 12in. long, jin. to 2in. broad, 
entire, narrowed ey to both ends. 
sori distinctly mersed, large, pro- 
minent, forming a single row nearer the 
midrib than the edge, scaly when young. 
North India. (H. G. F. 14, under name 
of Pleopeltis nuda.) In the variety sim- 
plex, the fronds are sometimes 1}ft. long 
and 2in. broad. 
P. Lingua “space apne a rhiz, wide- 
rosa oy with ferruginous scales, sti. din. 
to 6in. long, firm, erect. fronds uniform, 
4in. to 8in. long, lin. to 4in. broad, the 
— often cuspidate, the edge entire, 
e base narrowed or rounded; lower 
f surface matted with close, cottony, some- 
what ferruginous down. sori in close rows of four to six each 
between the main veins, rather large and prominent. North 
India, Japan, &c. Syn. Niphobolus Lingua. The variety corymbi- 
Jerum has fronds much divided at the apex, forming a cluster. 
Fig. 237. POLYPODIUM LINGUA HETERACTIS. ` + 
P. L. Heteractis (Heteractis). This form differs from the 
type in having broader, oblong-lanceolate . Himalayas. 
í Fig. 237. . Niphobolus latus. — SAEs 
+ longifolium (long-fronded). rhiz. short-creepi woody, 
with nearly black — fronds lft. to 2ft. ong Be to thin. 
—— ily acute apex and an entire, revolute edge, the lower 
mersed, in a line near the edge. Malaccas and 
narrowed into a short stem. sori oblong, im- 
es 
P. longipes (long-stalked). A garden form of P. Phymatodes. 
ong). rhiz. wide-creeping, with brown, 
sed s Sin, to 4in. long, firm. fronds 
long, 6in. to 12in. broad. out nearly to the rachts —— 
sub-entire, erecto-patent lobes, 4in, to Sin, long, jin. to sin. broad. 
P. longissimum 
sapeca MOLA A N 
sori in close, single rows near the midrib, ing distinct papillæ 
hymatodes 
on ‘the upper surface. North 
longissima. India, &c. as r 
P. stout, ' with black 
lft. long, 4in. to bin. 0 
scales. sti, sometimes ebeneous, din. to sin, long. fronds 1ft. to — 
broad; pinnz close, 2in. to 3in. long, ŝin- 
