9. TRIOHOMANES. § 2. EUTEICHOMANES. 103 



in having the stipes longer, to + 10 cm. long and the pinnae more 

 distant, and a form collected on Mount Aim (Mindanao) is similar to the 

 latter escept that the space between the margin and central rib is nearly 

 entirely filled up with dark-coloured cells, the pale interstice therefore 

 reduced to a few pale patches only. 



Forma typica (V. D. B., tab. VIII): Hairs of the fronds long, spreading, 

 jointed; stripes of dark cells broad. 



War. albiBsaa (T. album, BL, Enum., 226; V. D. B., tab. VII): 

 Hairs of the fronds moderately short, erect, not jointed; stripes of dark 

 cells broad. 



War. iiraunli (V. D. B., tab. IX): Fronds naked or very 

 sparingly long-hairy; stripes of dark cells narrow. 



(21a' T. fterpaasiliiam, v. A. v. n., in Bull. Btz., 1914, XVI, 37. 



Caespitose. Fronds scattered, oblong, to 1 cm. long, on stipes to 

 Vi cm. long, deeply pinnatifid, cuneate or decurrent at the base. Segments 

 erecto-patent, linear, 1 — 4 on each side below the terminal one, to 5 mm. 

 long, ± ■' ,, broad, rather abruptly acute, bounded by an apparently 

 marginal, pale, continuous spurious vein. Texture thin; surfaces naked; 

 a pale centi^al rib in each segment. Sori few, terminal on the higher 

 segments; indusium funnel-shaped, winged, the base acute, the mouth 

 dilated, spreading; receptacle esserted. 



Neiv Guinea. 



(22) T. hMMElle. Forst. 

 Malayan. 



^23) 'i\ StBlablaSaaBEB, JSees i^Ml.; T. bipunctatum, Pair., var. 

 laxa, Rst., in Fed., Rep., V, 370. 



Forma subbipunctata : Fronds lanceolate-ovate ; valves of the indusium 

 triangular, rather acute. 



(24:1 'W. l*l|J5Bi»eta3@aBBB. Potf.s Hymenophyllum alatum, Schk., 

 Krypt G-ew., I, tab. 1355 ; — var. venulosa, Rst., in Hedwi., LVI, 350. 



War. vcHiaalusa: Spurious veinlets more numerous, dark, often 

 reticulate. — Neto Guinea. 



(26 T. ca|iiliaiaaiBi, Tasch. 

 Also in Luzon. 



