﻿APPENDIX. 9\ TRICHOMANES. 801 



Indusium infundibuliform-campanulate, narrowly winged, the limb suberect, 

 sub-2-labiate ; receptacle included. 

 Mindoro. 



* (48a) T. Merrillii, Copel., Philipp. Journ., I, Suppl., 144, tab. 

 I ; — var. borneense. 



Rhizome erect, strong. Stipes tufted, 10 — 15 c.M. long, clothed with 

 short, rigid, reddish-black hairs. Fronds 15 — 20 c.M. long, acute, 2-pinnate, 

 the rachis terete, pilose. Pinnae + spreading, 3 — 3^2 c.M. long, obtuse; 

 higher pinnae ± erecto-patent. Lowest acroscopical pinnulae largest, ± 9 m.M. 

 long, ± 5 m.M. broad, deeply incised, the segments setiform. Texture coria- 

 ceous; colour blackish-green; surfaces naked. Sori deflexed, 2-angular, placed 

 above the axils of the acroscopical segments of the pinnae; indusium with 

 the mouth slightly dilated. — General aspect of T. javanicum, Bl. 



Var. borneense: Fronds smaller. Pinnulae somewhat shorter and 

 narrower. Sori not deflexed, narrowly 2-marginate; receptacle not conspicu- 

 ously exserted. 



Palawan; — var. borneense: Borneo (Teuscher). 



* (49a) T. setaceuni, r. m. s., Ned. Kruidk. Arch., V^ 176; T. 

 cupressoides, Desv., var., C. Chr., Ind. Fil. 



Rhizome short, ascending. Stipes approximate, subtufted, 10 — 18 c.M. 

 long, clothed with deciduous, fuscous hairs, at length quite naked. Fronds 

 15 — 20 c.M. long, 5 — 7 c.M. broad, oblong, acuminate, 2-pinnate, the rachis 

 densely paleaceo-hirsute. Pinnae ± spreading, the lower ones often deflexed, 

 the higher erecto-patent, oblong or lanceolate-oblong. Pinnulae erecto-patent, sub- 

 contiguous, lanceolate, deeply incised, the segments setiform, long. Texture 

 firm; surfaces naked; colour olive-green. Sori in the axils of the lower ante- 

 rior segments of the pinnae, + deflexed, emerged; indusium not conspicu- 

 ously marginate, cylindric-infundibuliform, the mouth not dilated ; receptacle 

 exserted. 



Singapore, Banca, Borneo. 



lO- LYOODIUM, Swartu). 



$ 1. EULYGODIUM. 



* (2) Ij. Teysmannii, ». A. ». n. — Insert : Bull. Dep. Agr. 

 I. N., d908, XVIII, 5. 



FiucES. 51 



