Nephrodium. | FILICES. 1005: 
rigid linear spreading bristles with a swollen base. Fronds 9-18 in. 
long or more, 6-12 in. broad, broadly ovate or triangular, acuminate, 
brownish-green, coriaceous, 3—4-pinnate; primary and secondary 
rhachises bristly like the stipes. Primary pinne 3-8in. long, 
ovate-lanceolate or the lowest deltoid, acuminate, the lowest 
pinnule larger than the others. Secondary pinnz oblong-lanceolate, 
again l- or 2-pinnate. Pinnules +4in. long, narrow-lanceolate,. 
acute, deeply and acutely toothed or almost pinnatifid, the teeth 
often pungent. Sori large, copious, one to each of the ultimate seg- 
ments or lobes. Indusium orbicular with an indistinct sinus, flat, 
brown.—Hook. 7. Handb. N.Z. Fl. 378; Hook. and Bak. Syn. Fil. 
286; Benth. Fl. Austral. vii. 760; Thoms. N.Z. Ferns, 83; Field, 
N.Z. Ferns, 132, t. 3, f. 8. Aspidium hispidum, Swartz, Syn. Fil. 
56; A. Rich. Fl. Nouv. Zel. 69; A. Cunn. Precur. n. 221; Raoul, 
Choix, 38. Polystichum hispidum, J. Sm. Gen. Ferns, 83; Hook. f. 
Fl. Nov. Zel. ii. 38. Polypodium setosum, Forst. Prodr. n. 447. 
NortH AND SoutH IsLANDS, STEWART ISLAND, CHATHAM ISLANDS: Abund- 
ant in forests throughout. Sea-level to 2000 ft. 
A very distinct species, at once recognised by the finely divided frond and 
the numerous stiff spreading bristles on the stipes and rhachis. It is also found 
in Victoria, where, however, it is rare and local. 
7. N. unitum, ff. Br. Prodr. 148.—Rhizome long, stout, creep- 
ing, 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 chaffy scales. Fronds 6-18 in. long without 
the stipes, 3-9 in. broad, oblong or ovate-oblong, acuminate, some- 
what rigid, coriaceous, glabrous, pinnate ; rhachis smooth, naked. 
Pinnz 9-15 pairs, subopposite, ascending or spreading, the lower 
ones not reduced in size, 2-0 in. long, 4—4in. broad, linear-lanceo- 
late, pinnatifid from 4 to 4 the way to the midrib; lobes spreading, 
ovate or ovate-triangular, subacute 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 adjoining lobes. Sori 
copious, nearer the margin than the midrib, mostly placed in the 
lobes, but usually extending below them as well.—Hook. f. Handb. 
N.Z. Fl. 749; Hook. and Bak. Syn. Fil. 289; Thoms. N.Z. Ferns, 83 ; 
Field, N.Z. Ferns, 134, t. 28, f. 1. N.inaquilaterum, Col. in Trans. 
N.Z. Inst. xx. (1888) 229. Aspidium unitum, Swartz, Syn. Fil. 
47; Benth. Fl. Austra. vu. 755. 
Nort Istanpd: Swamps in the North Cape district, at Houhoura, Waihi, 
Rangaunu Harbour, Ahipara, &c., J. B. Simpson! KR. H. Matthews! T. F.C.; 
hot springs at Miranda, ‘lhames, J. Adams ! hot-water swamps in the Thermal- 
springs district, not uncommon from Maketu and Rotorua to Waiotapu, Roto- 
kawa, Wairakei, and Tokaanu, Captain G. Mair! Kirk! T. F. C., Norton?! 
Field, &c. Sea-level to 1800 ft. 
An abundant fern in most tropical and warm-temperate countries. 
