760 OXLVII. FILICES. { Aspidium. 
cases, or larger and confluent. Indusium very small and ouly to be 
seen on young sori.— uell. Fragm. v. 183; Nephrodium tenericaute, 
Dh Spec. aet p^ m t. 269 ; Aspidium ped Kunze in 
Linnea, xx. 6; Met n Ann, Mus. Lugd. Bat. i. 229; Lastrea 
flaccida, Bedd. Foras S. maet t. 99; Nephrodium iii nd Bak. Syn. 
Filic. 284. 
Queensland. Rockingham Bay, W. Hill, Dallachy ; Bowen, Woolls ; Daintree 
t Fitzalar an. 
. S. Wales. Clarence Rivet, Herb. F. Mueller. 
Spread over tropical Asia from Ceylon and the Archipelago to Japan and the 
Pacific Islands, 
. A. hispidum, Swartz, Syn. Fil. 56.—Rhizome thick, a 
on with brown scales. Fronds 1 to 2 ft. long, broa ly ovate or 
es and primary and secondary rhachis hispid with long fine spreading 
darieealoured hairs or bristles. Pinnules lanceolate, deeply pinnatifid, 
1 to 1 in. long, deeply and sharply toothed. Veins solitary to each lobe 
or tooth. Sori solitary on the smaller segments or ve Indusium 
TAE m by a lateral sinus or almost peltate—F. Muell. 
Fragm 3; Nephrodium hispidum, Hook. Spec. Filic. iv. 150, Syn. 
Filic. 386 ; Frida setosum, Schkubr, Filic. t. 49. 
Victoria. Cape Otway Ranges, Wilkinson. 
Also in New Zealand. 
33. POLYPODIUM, Linn. 
Rhizome creeping in all the Aone species, with small brown 
scales with a bro it: cage x pene and more or less acute or subulate 
points. Fronds simple pinnate or cones und. Sori orbicular very 
rey noong, ean U aati over the under barika without any 
usium 
A large genus distributed over every part of the globe er e coldest or high 
alpine regions. Ofthe 24 Australian species, 12 belong t e Indo-A Australian d 
region extending over the Malayan Archipelago, cae or less o ast India and the 
Pacific Islands, a fw. of them also African d. none of them identified with American 
ies, Z oe ie or the South P. acific Islands or in both, 2 more are 
common to New Zealand and the extreme dies of America, the remaining 3 8 ppear 
en i 
[ER 
^ 
B 
z 
In the Australian species, eie the frond is small, the creeping rhizomes usually 
form dense matted patches on rocks and trunks of trees, in the larger species the 
rhizome often ciiips dolio Seuthe of verdes. dom ngth. tn spe species the 
stipes is more or less distinctly articulate on the rhizom 
Serres I. Dianeura.— eins diverging from the midrib sis or branched, = 
— not anastomosing. Sori terminating or near the of one Lima: 
