29. LINDSAYA. § 1. ODONTOLOMA. 203 



species and of L. pectinata Bl. (Christ, Geogr. der Fame, 70). — Var. 

 intermedia (Clirist, in Ann. Cons. Gen., XV — XVI, 197) has the fronds 

 intermediate between the type and the water-leaves, i. e. simply pinnate 

 in the upper part, 2-pinnatipartite towards the base. 



Omit the variety hemiptera, it being only a form of the species. 



(la) L. luniilata, r. A. v. H,., in Bull. Btz., 1913, XI, 15. 



Rhizome creeping, scaly, wiry. Stipes short, brown at the base. 

 Fronds hnear, + 15 — 20 cm. long, + 1'/, — 2 cm. broad, pinnate, 

 narrowed abruptly at the apex but gradually towards the base. Leaflets 

 horizontal, approximate, sublunulate-oblong, to 1 cm. long and 'U_ cm. 

 broad, the apex broadly rounded, the upper and lower edge subparallel, 

 decurved, the base truncate, parallel to the rachis, the upper edge entire 

 or repando-crenate ; lower leaflets graduaUy reduced, lowest auricle-like. 

 Texture thin, herbaceous or membranaceous; rachis and both surfaces 

 naked; veins not reaching the margin. Sori terminal on the veins, 

 often confluent in pairs. 



Batu Island. 



(lb) li. sessilis, Copel., in Philipp. Journ., VF, 82. 



Rhizome creeping, scaly. Stipes very short, at best 2 mm. long. 

 Fronds unbranched, ± 20 cm. long or somewhat longer, + 4 — 4 72 cm. 

 broad,, abruptly acuminate. Leaflets numerous, the lower reduced, the central 

 recurved or somewhat deflexed, cuneate at the base, inciso-crenate on 

 the upper (outer) side. Sori terminal on the lobes, small; indusium 

 minute, fugacious. 



Neio Guinea. 



(4) lj. delicatula, Chrigt. 



See the information under L. repens Bedd. 



(4a) L. Focrsteri, nst., in Fed.,. Rep., XII, 527. 



Rhizome wide-creeping, flexuose, the scales lanceolate, yellowish. 

 Stipes seriate, ± 2 — 3 cm. apart, + \ ^ cm long. Fronds linear-lanceolate, 

 to 25 cm. long by 2 cm. broad, acuminate, hardly narrowed at the base. 

 Pinnae numerous, sessile, spreading, the central the largest, to 10 mm. 

 long by 3 — 4 mm. broad, trapezoid-lanceolate, obtuse, the lower side 

 straight or slightly recurved, the upper side lobed; lower pinnae recurved. 



