Page:Manual of the New Zealand Flora.djvu/998

958 or less interrupted line within the margin of the frond and parallel to it, placed at the apex of 2 or more veins and uniting them. Indusium apparently double, and 2-valved, opening outwards; upper valve formed of the more or less altered margin of the frond; lower valve thin, membranous, continuous. Sporangia numerous, stalked, bursting transversely; ring vertical, incomplete.

1. L. linearis, ''Swartz, Syn. Fil.'' 118, 318, t. 3.—Rhizome slender, creeping, clothed with yellowish-brown scales. Stipes 2–9 in. long, slender, flexuous, wiry, dark red-brown, smooth and shining. Fronds 3–8 in. long, about ½ in. broad, narrow-linear, membranous, pinnate; barren ones shorter and broader than the fertile, often prostrate; fertile always erect; rhachis naked, glossy. Pinnæ of the fertile fronds ¼–½ in. long, flabellate or cuneate, sessile or nearly so, not lobed or very indistinctly so, revolute when dry. Sori forming a continuous line along the upper edge. Indusium broad, membranous; both valves minutely and irregularly laciniate. Pinnæ of the barren fronds ¼–½ in. long or more, deeply lobed or incised.—''A. Rich. Fl. Nouv. Zel. 85; A. Cuun. Precur. n. 213; Raoul, Choix, 38; Hook. Sp. Fil. i. 206; Hook. f. Fl. Nov. Zel.'' ii. 19; ''Handb. N.Z. Fl. 359; Hook. and Bak. Syn. Fil. 104; Benth. Fl. Austral.'' vii. 719; ''Thoms. N.Z. Ferns, 51; Field, N.Z. Ferns,'' 77, t. 19, f. 4, 4a. L. trilobata. ''Col. in Trans. N.Z. Inst.'' xvi. (1884) 345.

2. L. trichomanoides, ''Dryand. in Trans. Linn. Soc.'' iii. (1797) 43, t. 11.—Rhizome creeping, slender, clothed with reddish-brown