﻿9. TRICHOMANES. § 2. EUTRICHOMANES. d. PTILOPHYLLUM. 97 



placed on the upper edge of the lobes; indusium subcylindrical, the mouth 

 spreading, hardly lobed; receptacle included. 

 Borneo. 



(31) T. IVarburgii, Christ, Warb., Mons., I, 5S. 



Rhizome short, strong. Stipes densely tufted, filiform, not winged, brownish. 

 Fronds to ± 13 c.M. long, the rachis broadly winged. Segments caudato- 

 elongate, acute and long-acuminate, undulate, simple or with few lobes. Tex- 

 ture hyaline, pale-coloured. Sori commonly solitary or with 2 on a pinna in 

 the lower sinusses of the segments; indusium stalked, cylindrico-campanulate, 

 the valves dilated; receptacle included. 



Mindanao. 



(32) T. ignobile, Ces., Fel. di Bor., 9. 



Rhizome fasciculate, fibrillose, short-strigose. Stipes caespitose, to 20 c.M. 

 long, complanate, squamulose, at length naked, passing into the fronds. Fronds 

 + 30 c.M. long, nearly as broad, ovate, deeply 2-pinnatipartite. Segments 

 subflabellate, the lobes fastigiate, linear, obtuse, crisped when dry. Surfaces 

 naked; colour dark -greenish. — The description being not very complete, 



1 don't know whether this plant has been classified here in the proper way. 



Borneo. 



(33) T. hispiduluui, Mett., Hk. Bk., Syn. Pil., 466. 



Rhizome woody, suberect, the scales minute, subulate, brown. Stipes 

 7—15 c.M. long, winged, and slightly crinite upwards. Fronds 15 — 30 c.M. 

 long, deltoid, 4-pinnatifid, the rachis narrowly winged throughout. Pinnae close, 

 deltoid, lowest much the largest, 4 — 8 c.M. broad, produced on the lower side. 

 Pinnulae close, lower deltoid, cuneate-truncate on lower side at base. Ulti- 

 mate lobes distant, + 1 m.M. broad, 3 — 6 m.M. long. Texture rather thick; 

 colour dark-olive-green; surfaces naked. Sori copious, placed on upper side 

 of ultimate lobes; indusium minute, free, funnel-shaped, Avith a ciliated, entire 

 mouth and a long receptacle. 



Borneo, Malacca. 



(34) T. liauterbachii, Christ, Sebum. & Laut., Flor. deut. Sch, 

 geb., 108. 



Rhizome creeping, tomentose. Stipes winged, varying from very short to 



2 c.M. long. Fronds ± 2 c.M. long, + IV2 c.M. broad, broadly obovate, 

 the rachis broadly winged. Segments obovate, ± 4 on each side, cut down 



FiLICES. 7 



