9. TRICHOMANES. § 2. EUTBICHOMANES. 109 



to + 20 cm. long by 5 cm. broad, the pinnae more numerous, contiguous 

 or slightly imbricate, somewhat incised towards the base, on the upper 

 side, the lobules subquadrangular, with the apex truncate or rounded, 

 the indusia not immersed but not rarely narrowly winged towards the 

 base. 



Borneo. 



{ilf) T, Rosciistockii, v. A. v. n., in Bull. Btz., 1.9iS, YII, 27; 

 T. Chrisfii, Est, in Bull. Btz., 1911, II, 27, (not CojmL, in Philipp. Journ., 

 I, SuppL, 251). 



Rhizome erect, woody, the apes rufo-pilose, as are the stipes and 

 rachises. Stipes densely tufted, firm, terete Fronds hnear-lanceolate, to 

 ■18 cm. long and 5 cm. broad, pinnate. Pinnae numerous, alternate, 

 short-stalked or subsessile, the lower spreading, the others more or less 

 ascending, the higher gradually reduced, the lowest the largest, horizontal 

 or decurved, trapezoid-oblong, + 3 cm. long, 7 mm. broad, lobed, obliquely 

 cuneate at the base; lobes oval, toothed. Colour dark-olivaceous; costae 

 pilose beneath; veins pinnate or forked, the highest simple. Sori 1 — 6 

 to a lobe, placed on the edge or in the sinuses; indusium cylindrical, 

 exserted, narrowly 2-marginate, the mouth slightly crenulate; receptacle 

 exserted. 



Borneo. 



(42a) T. s 11 mat rail II 111, -r. A. v. It. 



Also in Borneo. 



(425) T. aci'osoriiiii, Copel., in Phihpp. Journ., VF, 72; — 

 var. alatum, v. A. v. R., in Bull. Btz., 1913, XI, 23. 



Stipes crowded, ± 1 — 2 cm. long. Fronds + 6 — 10 cm. long, 

 I'/s — 2'/^ cm. broad, the rachis hairy, glabrescent. Pinnae 10 — 12 '/j mm. 

 long, rounded at the apex, toothed and sometimes divided, cuneate at 

 the base, the higher fertile, contracted, without lamina. Veins moderately 

 lax. Sori 1 — 3 to a fertile pinna; indusium more or less dilated below 

 the mouth; receptacle exserted. 



War. alatiiiii: Central pinnae obUquely cuneate at the base, 

 lower roundish, truncate at the base; sori 3 — 'b to fertile pinna, the 

 indusium narrowly obconical, narrowly winged, the receptacle fragile. 



Nero Cruinea. 



