958 FILICES. [ Lindsaya. 
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. 
Understood in the sense of the ‘‘ Synopsis Filicum,’’ this is a genus of 
about 60 species, mainly found in the tropics of both hemispheres. Two of the 
New Zealand species extend to Australia and Tasmania, one of them reaching 
New Caledonia as well, the remaining one is endemic. 
* Hulindsaya. Pinne unilateral. 
Fronds linear, simply pinnate; pinnze small, flabellate .. 1. L. linearis. 
** Tsoloma. Pinne equilateral. 
Fronds 2-3-pinnatifid, dark-green, oblong-lanceolate, 
broadest at the base; ultimate segments obovate, 
rounded at the tip .. : 2. L. trichoman- 
Fronds 2-3-pinnatifid, pale-green, lanceolate, not broadest oides. 
at the base; ultimate segments linear-cuneate, truncate 
at the tip .. se oe Sc 3. L. viridis. 
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 3-8in. long, about 4in. broad, narrow-linear, 
membranous, pinnate; barren ones shorter and broader than the 
fertile, often prostrate ; fertile always erect; rhachis naked, glossy. 
Pinne of the fertile fronds 4-4 in. long, flabellate or cuneate, sessile 
or nearly so, not lobed or very indistinctly so, revolute when dry. 
Sori forming a continuous liné along the upper edge. Indusium 
broad, membranous ; both valves minutely and irregularly lacini- 
ate. Pinnee of the barren fronds +-4in. long or more, deeply lobed 
or incised.—A. Rich. Fl. Nouv. Zel. 85; A. Cunn. Precur. n. 218; 
Raoul, Choix, 38; Hook. Sp. Fil. i. 206; Hook. f. Fl. Nov. Zel. 
il. 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. 
Nort anp SourH Ispuanps, Stewart Isuanp, CHatHAmM IsLANDS: From 
the North Cape southwards, usually on clay hills or in cold swampy soils, most 
plentiful to the north of the East Cape, rare and local in the South Island. 
Sea-level to 2000 ft. 
Also found throughout the whole of eastern Australia and Tasmania, in 
Norfolk Island, and in New Caledonia. Mr. Colenso’s L. trilobata, which 
appears to be the most abundant state in New Zealand, only differs in the 
pinnz of the barren frond being rather more deeply lobed than usual. 
2. L. trichomanoides, Dryand. in Trans. Linn. Soc. ii. (1797) 
43, t. 11.—Rhizome creeping, slender, clothed with reddish-brown 
