86a. LEPTOCHILTJS. § 1. POECILOPTERIS. 755 



3.3. Pinnae incised at least %-way down to the costa, or 



I ' 



the areolae without free veinlets. 

 4=. Pinnae whether or not lobed, the lobes without pro- 

 duced anterior teeth. (16o) L. cuspidatus. 

 4:.^. Pinnae subpinnatifid, the lobes toothed, with the 

 lower anterior teeth produced. (166) L. Naumanni. 

 8.S. Pinnae subcoriaceous, more than 4 c.M. broad in the fully 

 developed barren fronds. 



X. Pinnae S^^—5 c.M. broad. » (17) L. ZoUingeri. 



x.x. Pinnae 5 — 8 c.M. broad, tinged with red. 



(18) L. scalpturatus. 



(1) li. oligodictyniS, C. C%r., Ind. Fil. ; Acroslichum oligodictyon, 



Bk., Journ. of Linn. Soc, Bot., XXIV, 261. 



Rhizome short-creeping. Stipes 5 — 8 c.M. long, naked, pale-brown. Fronds 

 lanceolate, 20 — 25 c.M. long, 1 — 2 c.M. broad at the middle, narrowed gradu- 

 ally to both ends. Texture rather rigid; both surfaces naked; veining of 

 Nephrodium, paucljugate, only the lowest veins anastomosing. Fertile fronds 

 linear, 5 — 8 m.M. broad, on stipes 15 — 20 c.M. long. 



Borneo. 



* (2) Mj. Ijinnaeanus, JCde, C.Ghr., Ind. Fil; L. heteroclHus, C. 

 Chr., tiar. Linnaeanus, Christ, Philipp. Journ., II, 160; Acrostichum Linnaea- 

 num, Hk., Hk. Bk., Syn. Fil., 417; Hk., 2°i Cent, of Ferns, tab. XXVI; Gym- 

 nopteris Linnaeana, Christ, Copel., Polypod. Philipp., 41. 



Rhizome creeping, Scaly. Stipes more or less distant, % — 3 c.M. apart, 

 erect, slender, 3 — 15 c.M. long, scaly + throughout or at the base only. 

 Barren fronds 10 — 25 c.M. long, Vi — I'/a cm. broad, linear-lanceolate, entire 

 or repand, narrowed rather gradually towards both ends, simple or sometimes 

 with a terminal pinna similar to the simple fronds and below this 1 — 2 pairs 

 of mostly very small, sessile or stalked, oblong or linear-lanceolate lateral 

 segments to ± 12'/, c.M. long, to + '/j c.M. broad. Texture herbaceous 

 to papyraceous; surfaces naked; main veins distinct nearly to the edge, more 

 or less zigzag; areolae copious; no free veinlets. Fertile fronds simple or 

 sometimes pinnate, similar to the barren ones but shorter and narrower, 

 sometimes linear, on stipes 10 — 20 c.M. long. ~L. sumatranus v. A. v. R. ( 



Malaya, Annam. 



i» I .. /«, ^. 13 T)„ii T)4-™ inia ■VTrrTT 1 e I i.„i, tt l^rr. 1 n J> ia a fnrm iiTifVi 



