700 CXLVIL. FILICES. ( Todea. 
2. T. Fraseri, Hook. and Grev. Ic. Filic. t. 101.—Trunk or rhizome 
thi = and erect. Fronds 1 to t. long, twice pinnate. Pinnu 
lanceolate, dark green and of a thin membranous doni like that of 
Trichomanes, l to 1 in. long, deeply serrate. Spore-cases small and few, 
atthe base of the midrib and of a few of the lateral veins of the lower 
pinnules.— Hook. and Bak. Syn. Filic. 427. 
N. S. Wal Deep gullies of the Blue Mountains, rare, Bougainville Cataracts, 
Fraser, near Wilson’ s, Woolls ; Currajong, Hillyard. 
Also in New Guinea and the South Pacific Islands. 
me v 
1j p high, n. diameter. ronds often 4 ft. long, bios pinnate. 
Pule M sons of the thin membranous consistence of D. Fraseri, 
deeply demens with linear-oblong segments dentieulate at the end. 
Spore-cases as in D. Fraseri few an 
N.S. Wales. Lord Howe'sIsland, Mount Gower, C. Moore, Fitzgerald. 
Tar» HvwENoeHYLLEX. — Fronds of a thin membranous 
Kermit us half pellucid, m a iag rhizome and often small. 
pore-cases depressed, with a verse ring, sessile or nearly so on a 
columnar receptacle arising ue ‘the base of a cup-shaped or deeply 
2-valved indusium, embedded in or protruding from the margins of the 
fronds, and of a consistence nearly similar. 
12. TRICHOMANES, Linn. 
Rhizome creeping, slender as in Hymenophyllum or short and rather 
thick. Fronds usually small, of a delicate membranous ma? pellucid 
texture, entire or variously divided aud merved. ori erminal or 
frond or protruding from it, with a narrow nea sso border 
entire or nearly so. Re pman linear, usually exserted. Spore-cases 
sessile at or near its base 
A large genus, with the wide geographical range of H; Hino any | to which it is 
closely allied, differing only m ‘the shape of the indusiu Of the n Australian 
species none are endemic, one being fo soin ^ V Dich, okt iren more OF 
less over the Indian Arc ree Par diuo. the Mascarene an. sind “South Pacific Islands, and two 
erally distributed over the tropical regions of the New and the Old World. 
Fronds small, undivided or aang di lobed, 
Fronds sessile, orbicular, peltate, } to 1 in, diam . 1, T. peltatum. 
Fronds oblong or lin en saa te, entire or SEE 2- “obed, 
under å in. long Aii 2. T. vitiense. 
Fronds chiles 84 3 to4 lines diameter palmatifid is 3. T. parvuium. 
Fronds deeply divided into 3 to 6 linear denticulate lobes, 
to near 1 in. 4, T. digitatum. 
Fronds xd divi ‘with toothed or shortly lobed 
segments; veins pinnate or forked, 
