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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Mecodium (Copel.) Copel.

Subgenus MECODIUM Cop. in Philipp. J. Sci. 64, 1937, 93.

Mecodium Cop. (as genus) in Philipp. J. Sci. 67, 1938, 17.

Rhizome very slender; lamina with entire margins; indusium deeply 2-valved. About 100 spp.; type: Trichomanes sanguinolentum Forst. f.

Key

1
Fronds tufted on short stock or abbreviated rhizome
12. pulcherrimum
Fronds distributed along creeping rhizome
2
2
Lamina surface bearing slender hairs
5. rufescens
Lamina surface without hairs
3
3
Stipes and rhachis bearing hairs
4
Stipes and rhachis without hairs
7
4
Stipes winged above; frond scented
5
Stipes not winged above; frond not scented
6
5
Hairs few; lamina segs not filiform; indusia on lateral seg
6. sanguinolentum
Hairs numerous; segs filiform; indusia on terminal segs
7. villosum
6
Stipes with bristly hairs; lamina dull, brownish-green, not flabellate
8. scabrum
Stipes naked except for tuft of woolly hairs at base; lamina pale green, shining, flabellate
1. flabellatum
7
Stipes not winged, or very obscurely so above
8
Stipes distinctly winged for some distance
11
8
Sori free or nearly so
9
Sori distinctly partly or completely immersed
10
9
Fronds dark green, scented; indusia on lateral segs
6. sanguinolentum
Fronds bright green, not scented; indusia on terminal segs
9. demissum
10
Lamina flabellate; stipes with tuft of woolly hairs at base
1. flabellatum
Lamina oblong in outline; stipes without tuft of woolly hairs at base
3. rarum
11
Stipes winged only in upper part; frond scented
6. sanguinolentum
Stipes winged to base or nearly so; frond not scented
12
12
Wing of stipes strongly crisped
10. flexuosum
Wing of stipes plane
13
13
Sori completely or partly immersed in apex of segs; fronds up to 5 dm. or more long; final segs up to 3 mm. or more broad
2. dilatatum
Sori free at apex of segs; fronds under 3 dm. long; final segs seldom up to 3 mm. broad
14
14
Lamina margins not thickened; lamina narrow-oblong in outline; indusium valves toothed or erose at apex
4. montanum
Lamina margin thickened; lamina about triangular in outline; indusium valves entire
15
15
Fronds bright green, up to 25 cm. long
10. flexuosum
Fronds dull dark green, seldom over 15 cm. long
11. atrovirens
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