Filices."\ 



FLORA OE NEW ZEALAND. 



47 



L. articulatum is only found in New Zealand and Norfolk Island ; it forms in the forest impervious screens of tough 



wire-like stems, that are used as cordage, and ascend trees 50-100 feet high: they are knotted and shining. 



Fronds perfectly glabrous, dichotomously palmatipartite. Pinna; divaricating, articulate at the base, linear or linear- 

 oblong, blunt or sharp, waved or obscurely crenate, 1-4 inches long, cuneate at the base, costa slender ; veins 

 forked, free. Fertile fronds repeatedly dichotomously branched, the stalks of the pinnules often divided much 

 regularly divaricating. Pinnules 2-3 lines long, wedge- or fan-shaped, lobed ; lobes short, small, bearing on the 

 under surface towards their ends an adnate spikclet, formed of alternating imbricating scales or indusia. Each 

 indusium has within it an ovoid capsule, which is attached by its side to a venule of the frond, and points downwards 

 and inwards ; surface reticulated, apex striated. Spores bluntly three-angled. The rhizome of young plants is 

 creeping, slender, rigid, wiry, branched, densely covered with shining, dark-brown, paleaceous hairs. Stipes angular, 

 not jointed into the rhizome. (Name from Xvyos, a liana, and eiSos, resembling.) 



1. Lygodinm articulatum, A. Eich. ; glaberrimum, frondibus palmatim dicliotome divisis, pinnulis 

 cum rachi gracili stricta articulatis lineari-lanceolatis oblongisve integris subacutis, venis liberis fureatis, 

 frondibus fertilibus repetitim dicliotome palmatim divisis, rachibus filiformibus dichotomis, pinnulis parvis 

 flabellatis cuneatisve varie lobatis, spiralis brevibus. — A. Rick. Flor.p. 96. 1. 15. A. Cunm. Prodr. 



Hab. Throughout the Northern Island, common. Nat. name, "Mange-mange/' Col. (Cultivated 

 in England.) 



Gen. XXX. SCHIZ2EA, Sm. 



Sporangia ovoidea, basi inserta, reticulata, apice striata, secus lacinias lineares incurvas frondis resu- 

 pinatas biseriatim inserta. Indusium nullum v. e margine laciniarum infiexo formatum. — Ehizoma repens, 

 breve, squamosum. Frondes caspitosa, erecta, simplices, dicliotome ramosm, filiformes, sulcata, scepius cristam 

 terminalem profunde pinnatifidam gerenies ; pinnis linearibus, conniventibus, pagina superiore soriferis. 



A very curious genus, rare in the north temperate zone, common in the south temperate and tropics ; all the 

 New Zealand species are widely diffused plants. The species have erect, generally simple, sometimes dichotomously 

 or flabellately branched, linear, flattened or filiform fronds, which bear at their apices a small inclined pinnatifid limb 

 or comb, upon whose divisions the capsules are arranged. Capsules in two series, close together on each side the 

 costa of each division, partially covered by the incurved margin, ovoid, sessile by the broad end, reticulated, striated 

 at the smaller end, bursting laterally. Spores with rounded angles.— The fructification deceptively appears borne on 

 the upper surface of the frond in this genus, the upper portion of the latter being resupinate ; the groove however 

 of the stipes, which indicates the true upper surface, will be found on the opposite side from the capsules. (Name 

 from o-xi£a>, to divide; from the split frond.) 



1. Schizsea bifida, Sw.; frondibus simplicibus dichotomisve asperulis subsemiteretibus, pinnis 8-1 6- 

 jugis margine lacero-crinitis.— Sw. Ml. p. 157. Br. Prodr. A. Rich. Flor. A. Cunn. Prodr. Schnizlein, 

 Icon. t. 29. S. propinqua, A. Cunn. Prodr. 



Hab. Northern Island, and north parts of the Middle Island, D' Urville, Cunningham, etc. 



Avery widely distributed plant, found in Australia and Tasmania, the East Indian Islands, Cape of Good Hope, 

 and in Guiana. — BMzome short, stout, subterranean, thickly covered with red-brown paleaceous hairs. Fronds 

 numerous, tufted, wiry, erect, rough to the touch, a few inches to l-i foot long, simple or once branched, semi- 

 terete, grooved on one side. Comb or appendix reclined, of eight to ten pairs of pinna;, with laciniate crinite edges. 

 — The S. australis of Auckland Island seems to be a small variety of this species. 



2. Schizsea dichotoma, Sw. ; fronde basi simplici compressa leevi v. aspera snperne pluries dicliotome 

 ramosa, laciniis planis submembranaceis costatis anguste linearibus, appendice parva lata brevi subereeta 

 pinnis 6-10 margine crinitis. — Sioartz, Syn. Ml. Br. Prodr. A. Cunn. Prodr. Hook, el Grev. Ic. Fil. 1. 1 7. 



Hab. Northern Island : Bay of Islands, Cunningham,, etc. Manakau Bay, Colenso. 



