Dryopteris. | FILICES. 57 
pinnatifid about half-way to the midrib; lobes short, oblong, obtuse, 
entire or nearly so. Veins pinnate in the lobes; veinlets 5-8 on each side, 
the lower ones uniting at the tips with those of the adjoining lobes. Sori 
copious, about half-way between the margin and the midrib. Indusium 
cordate-reniform, usually villous.— Polypodium parasiticum Linn. Sp. 
Plant. (1753) 1090. Nephrodium molle R. Br. Prodr. (1810) 149; Hook. 
Sp. Fil. iv (1862) 67; Hook. f. Handb. N.Z. Fl. (1864) 177; Hook. and 
Bak, Syn. Fal. (1873) 293; Thoms. N.Z. Ferns (1882) 84; Freld N.Z. 
Ferns (1890) 133, t. 23, f.5; Cheesem. Man. N.Z. Fl. (1906) 1006. Aspidium 
molle Swartz Syn. Fil. (1806) 49; Benth. Fl. Austral. vu (1878) 156. 
Polypodium nymphale Forst. I Prodr, (1786) n. 442. 
Keurmapec Isuanps : Sn Island, not uncommon, Mebitlivray, fA 3, SO 
W. RB. B. Oliver! Norra Istanp: Auckland—North Cape district, a small patch by 
the side of the Mangatete Stream, flowing into Rangaunu Harbour, R. H. Matthews / 
Thermal-springs district, by the banks of the Otumakokori, or Boiling River (near 
Waiotapu), Captain G. Mair! P. F. C., T. Kirk! margins of hot springs at Wairakei 
(Taupo), C. J. Norton! T. F.C. 
Abundant in i aie Ap a warm Se des countries almost throughout the world. 
= SOT bee et 
fe: . D. ‘gongylodes 0. Re Rev. ne Pl. 11 (1891) 811.—Rhizome 
vs stout, creeping, sparingly clothed with blackish-brown scales. Stipes 
6-14 in. long, smooth, erect, almost black at the base, brownish above, 
naked or with a few chafty scales. Fronds 6-18 in. long without the stipes, 
3-9 in. broad, oblong or ovate-oblong, acuminate, somewhat rigid, coriaceous, 
glabrous, pinnate ; rhachis smooth, naked. Pinnae 9-15 pairs, subopposite, 
de or spreading, the lower ones not Renee in size, 2-5 in. long, 
4-lin. broad, linear-lanceolate, pinnatifid from } to 4 the way to the mid- 
rib; lobes spreading, ovate or ovate-triangular, “aabacute or obtuse, entire 
or nearly so. Veins pinnate in each lobe; veinlets 6-8 on each side, the 
lower ones united at the tips with those of the adjoiming lobes. Sori 
copious, nearer the margin than the midrib, mostly placed in the lobes, 
but usually extending below them as well.—Aspidium gongylodes Schkuhr 
Krypt. Gew. (1809) 193. Nephrodium unitum.&. Br. Prodr. (1810) 149; 
Hook. f. Handb. N.Z. Fl. (1864) 749; Hook. and Bak. Syn, Fil, (1878) 
289; Thoms. N.Z. Ferns (1882) 83; Field N.Z. Ferns (1890) 134, t. 23, 
f.1; Cheesem. Man. N.Z. Fl. (1906) 1005. N. inaequilaterum Col. in Trans. 
N.Z. Inst. xx (1888) 229. Aspidium unitum Swartz Syn. Fil. es) 47 ; 
Benth. Fl. Austral. vil (1878) 755. 
Nort Istanp: Swamps in the North Cape district, at Houhoura, Waihi, Ranga- 
unu Harbour, Ahipara, &c., J. B. Simpson! R. H. Matthews! T. F. C.; hot springs 
at Miranda, Thames, J. Adams! hot-water sw amps in the Thermal- -springs district, 
not uncommon from Maketu and Rotorua to Waiotapu, Rotokawa, Wairakei, and 
Tokaanu, Captain G. Mair! T. Kirk! T. F. C., Norton! Field, &c. Sea-level to 1800 ft. 
An abundant fern in most tropical and warm-temperate countries. 
11. ARTHROPTERIS J. Smith. 
Rhizome long, slender, climbing or creeping. Stipes articulated near 
its base, or a little distance above the rhizome. Fronds scattered along 
the rhizome, pinnate; pinnae articulated on the rhachis. Veins simple or 
forked or pinnate, venules free. Sori globose, punctiform, situated on the 
tip of a vein. Indusium reniform, or altogether absent in the New Zealand 
species. Sporangia girt by an incomplete vertical ring. 
aes amen age 
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