634 FILICES. { Trichomanes. 
ri being seated on its under side. Spores tetraedro-globose. — Fronds 
Silly delicate, with dark glossy stalks, their ultimate segments reniform, 
dim 
cuneate or idiate, rarely even-sided. Veins flabellately forking, 
mostly fre 
A large genus, chiefly inhabiting the tropics of both Worlds, but ay geet in America. 
Segments glabrous, cuneate : ; . A. capillus Vener is. 
Segments hairy underneath, suborbicular or ‘cordate 3 ‘ ; < A, Som etti 
1, A. capillus Veneris, LZ. — Hook. Sp. Vil. I, 36. — Rhizome creeping 
above ground, covered with ferruginous linear scales or fibrils of 1—2“ 
in length. Stip. distant, wiry, dark-purple, naked, glossy, 4—9° 
Frond palddeabacshas: quite glabrous, ovate or ovate-lanceolate, 
7—9’ long, bi-, tripinnate with a terminal and 3—5 lateral pinnae, the 
ipl 
lowest often again divided, all long-stipitate, with a filiform ‘flexuose 
rhachis and few pinnules. Ultimate pinnules on slender stalks, 1/2—1‘ 
broad, the base cuneate, uneven-sided, the outer edge truncate or rounded, 
cut from the circumference to the centre into 2—7 cuneate-oblong lo bes 
cted a 
scarious involucre, which is either sic at the base or slightly semi- 
lunar. | 
Com ch Nat name: «Iwaiwa», segments vary much 
in Satine: maa ose most d aed are as deeply cut as in Hooker's forma § dissecta. In 
Hakalaw and other cnighies of the Hilo district, Hawaii, a small, simply pinnate form 
k i i the stipes. — 
3) 
om : i ecurs i 
and temperate regions of all continents, excepting Australia. In Polynesia it is Re 
to the Hawaiian group and New Caledon: 
2. A. Bennettii, Carruthers, in Fl. Vit. p. of -- «Stip. and rhachis 
bleak: naked. Frond 1 ft. long, Sail bi-, tripinnate, membranous, 
abecan above, hairy underneath. Ultimate pinnules on petioles of 
3—4", broader than deep, !/1—%/s4' broad, entire, even-sided, cuneate 
at the base or rounded-reniform with a broad sinus. Veins flabellate. 
Sori reniform, 6—10 on a pinnule, crowded round the outer border, 
1/2—2” broad, — Baker, in Synops. Fil. 24 Edit. p. 473. 
Sandwich Islands (Lieut. Strickland, in herbar. Mus. Brit.). Very near to or 
— with A. scabrum, Kze. (according to Baker). — I know porter of this iki 
suspect that the =o assigned is not correct. “a seabrum, Kze., is a hairy form 
of A. Aethiopicum, L., m the west coast of N. Ameri 
23. TRICHOMANES, L. 
Involucre marginal or extramarginal, tubular or cup-shaped, the lateral 
nga extending to its mouth. eget exserted, bearing the sporangia 
ts base. Veins free, often accompanied or apparently united by ducts: 
; SN sclerenchyma — spurious veins. Spores tetraedro- 
