310 5S. MICROLEPU. 



of the pinnae, alternate, the lower ones 8—10 cJl. long, ± 5 c.M. broad at 

 the base, caudate, deeply pinnatifid, with the upper base truncate, auricled, 

 the lower cuneate, the auricle sometimes free; higher pinnulae close, cut 

 '/j-way down to the costa or more into numerous, close, rhomboidal, blunt, 

 crenate lobes. Lobes to 1 c.M. long, with 4 — 8 crenations on each side. 

 Texture firm-herbaceous; rachises and surfaces covered with short, brown 

 hairs. Sori numerous, large, immersed, slightly intramarginal below the teeth 

 or crenations; indusium grey. 

 Java, Celebes, Philippines. 



(5) II. trichosticha, J. Sm., Journ. of Bot., Ill, 416; DavMia 

 Irichoslicha, Hk., Spec. Fil., I, 183; D. Speluncae, Bk., var. trichoslicha, flk. 

 Bk., Syn. Fil., 470. 



Fronds large, 2 — 3-pinnate. Pinnae + 30 c.M. long, the rachis winged 

 above. Ultimate segments sessile, obliquely cuneate at the base, lanceolate- 

 oblong, acuminate, deeply pinnatifid, with the lowest anterior lobe the largest. 

 Lobes ovate, obtuse, nearly entire or crenato-lobate. Texture submembrana- 

 ceous ; upper surface slightly hairy, under surface densely and minutely 

 pubescent, the hairs bulbous at the base, almost concealing the veins. Sori 

 small, rather distant from the margin; indusium small, semicupuliform, very 

 downy. 



Malaya ; Samoa 



* (6) 11. speluncae, noofe, Christ, Farnkr. d. Erde, 308; Diels, 

 in Engl. & Prantl, Nat. Pfl.Fam., I*, fig. 116, A— C; Davallia Speluncae, 

 Bk., Rac, Flor. Btz., I, 135; D. polypodioides, Don, var. subglabra ^ pubeseens, 

 Hk., Spec. Fil., I, 182; D. flacctdu, R. Br., Prod. N.H., 157; — var. immersa. 



Rhizome creeping, more or less densely clothed with pale or brownish 

 hairs or fibres. Stipes strong, 20—100 c.M. long, stramineous, brownish 

 or purpureous, minutely hairy or squamulose. Fronds 40 — ^200 c.M. long, 

 20 — 100 c.M. broad, triangular or ovate-lanceolate, 3 — 5-pinnatifid. Lower 

 pinnae ovate-lanceolate. Pinnulae lanceolate, cut down to a winged rachis 

 into toothed or pinnatifid lobes, the lowest lobe on the upper side the largest ; 

 lobes and teeth + rounded. Texture herbaceous, membranaceous or flaccid; 

 rachis and surfaces more or less hairy or setose, or with few or many, long, 

 glistening, flaccid, scale-like hairs; veins conspicuous. Sori at the base of 

 the teeth or lobes, 2—20 to a segment; indusium half-cupshaped, hispid or 

 hairy, rarely glabrous. 



