P. S. Green Royal Botanic Gardens, Kew, Richmond, Surrey, tw9 3AB, England



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Found especially in moss-forest.

L.H.Is.: top of Mt Gower, P.S.Green 1592 & 1596 (A, K, NSW); summit of Mt Lidgbird, C.Moore 84 (K, NSW); SW cliffs of Mt Lidgbird, A.N.Rodd 1777 (BRI, K, NSW).

This species belongs to subg. Hymenophyllum, and is closely related to the New Zealand H. multifidum (G.Forst.) Sw., from which it differs in the generally smaller fronds, obscure teeth and more elongate indusia.

2
Hymenophyllum
mooreiBaker in W.J.Hooker & J.G.Baker
Syn. Fil. 2nd edn, 2: 464(1874)


T: Lord Howe Island, C.Moore; holo: K. Named after Charles Moore (1820–1905), Director of the Botanic Gardens, Sydney (1849–1896), who collected on Lord Howe Is. in 1869.

[Hymenophyllum pumilum auct. non C.Moore ex Baker: G.Bentham, Fl. Austral. 7: 706 (1878), p.p.; W.R.B.Oliver, Trans. & Proc. New Zealand Inst. 49: 118 (1917)]

[Hymenophyllum minimum auct. non A.Rich.: G.Bentham, Fl. Austral. 7: 706 (1878), p.p.; W.R.B.Oliver, Trans. & Proc. New Zealand Inst. 49: 118 (1917)]


Illustration: E.B.Copeland, Philipp. J. Sci. 64: 91, t. 45 (1937), as H. pumilum.

Rhizome shortly creeping, wiry, with reddish brown adpressed hairs. Fronds: stipe 1–3 cm long; lamina ovate-lanceolate in outline, 1–3 cm long, 0.5–2 cm wide, bipinnatifid; ultimate divisions linear, 1.5–2 mm wide, serrate. Sori immersed, lateral; involucre rounded, subtruncate, strongly serrate towards apex; receptacle included.

Lord Howe Is. Endemic, in the upper regions of Mts Gower and Lidgbird.

Found especially in moss-forest.

L.H.Is.: summit of Mt Gower, P.S.Green 1666 (A, K, NSW); loc. id., 1911, W.W.Watts (BRI, NSW); summit ridge of Mt Lidgbird, J.Pickard 1483 (NSW).

This species also belongs to subg. Hymenophyllum.


gen.
HYMENOPHYLLACEAE
22. CREPIDOMANES

Crepidomanes(C.Presl) C.Presl
Epimel. Bot. 258(1851)
Trichomanes subg. Crepidomanes C.Presl, op. cit. 17; from the Greek krepis (a slipper) and manos (slender or loose), presumably in allusion to the sori resembling a slender or loose slipper or shoe

Type: C. intramarginale (Hook. & Grev.) C.Presl

Epiphytic, lithophytic or terrestrial ferns. Rhizome long-creeping, somewhat slender. Fronds usually separated along rhizome; stipe distinct; lamina flabellate, digitate or 1–4-pinnate; false veins present. Sori solitary on tips of lateral or ultimate segments; involucre cup-shaped, ±truncate or 2-lipped; receptacle long-exserted.

A genus of c. 120 species, mostly from the Old World tropics; 2 species native to Norfolk Is.

Fronds 3–10 cm long, delicate, slender, irregularly bipinnate

1. C. endlicherianum

Fronds 0.5–2.5 cm long, flabellate, almost circular in outline

2. C. saxifragoides



1
Crepidomanes
endlicherianum(C.Presl) P.S.Green
Kew Bull. 48: 618(1993)


Trichomanes endlicherianum C.Presl, Gefässbündel Farrn 25 (1847); Trichomanes humile var. ß in W.J.Hooker & J.G.Baker, Syn. Fil. 80 (1868); Crepidopteris endlicherianum (C.Presl) Copel., Philipp. J. Sci. 67: 58 (1938); Crepidophyllum endlicherianum (C.Presl) H.S.Reed, Amer. Fern J. 38: 89 (1948); Reediella endlicherianum (C.Presl) Pic.Serm., Webbia 24: 719 (1970).T: Norfolk Island, 1804–1805, F.L.Bauer; holo: W. Named after the Austrian botanist Stephan Endlicher (1804–1849), the author of the first Flora of Norfolk Is., his Prodromus Florae Norfolkicae, 1833.

[Trichomanes humile auct. non G.Forst.: S.F.L.Endlicher, Prodr. Fl. Norfolk. 17 (1833)]


Illustrations: E.B.Copeland, Philipp. J. Sci. 51: 168, tt. 14, 15 (1933), as Trichomanes endlicheriana; M.Crookes & H.B.Dobbie, New Zealand Ferns 6th edn, 111 (1963), as Crepidopteris endlicheriana; E.Heath & R.J.Chinnock, Ferns & Fern Allies New Zealand 31, t. 65 (1974), as Trichomanes endlicheriana.

Epiphytic, lithophytic or terrestrial ferns. Rhizome slender with simple reddish brown hairs. Fronds in scattered groups along rhizome; stipe 1–2 cm long; lamina irregularly bipinnate, 3–10 cm long, 1–2.5 cm broad, delicate, slender, dark green; ultimate segments linear-oblong, 1–5 mm long, obtuse, sometimes slightly emarginate. Sori immersed in tips of lateral segments; indusia tubular, trumpet-shaped; receptacle prominently exserted, 5–12 mm long.

Middle Filmy Fern.

Fig. 101I–J.v*****_f*****.jpg

Norfolk Is. Also known from New Zealand, Fiji and Vanuatu, east to Samoa and Tahiti (but not New Caledonia).

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