334 37. ADIANTDM. § 1. ED-ADUNTUM. fi. PKDATAE. 



broadly ovate, 12 — 15 c.3I. each way, pedato-subdichotomous witb the main 

 divisions flabellately branched. Central branches 15— :25 c.M. long, 1 — 2*/j 

 c.M. broad. Leaflets '/s — 27* c.M. long, 5 — 10 m.M. broad, dimidiate, sub- 

 rhomboidal, rather broader on the side nearest the stipe, the outer edge bluntly 

 rounded or oblique, upper and outer margin often crenate, finely toothed; 

 lower leaflets slightly stalked. Texture subcoriaceous : rachises and both surfaces 

 hispid. Sori roundish, contiguous round the upper and outer edge; indusium 

 obreniform, hairy. 

 Paleotropical. 



(28) A. stenochlamys, JBIc, Ann. of Bot., V, 209. 



Stipes long, naked, wiry, nearly black. Fronds pedate, deltoid, 3-pinnate, 

 + 15 — 25 c.M. each way. Terminal leaflets cuneate, 1 — 2 c.M. broad, shal- 

 lowly lobed, crenate round the upper edge; lateral leaflets subrbomboidal, 

 short-stalked, little longer than broad, the upper and outer edge shallowly 

 lobed and crenate, the inner edge inflexed so that it is imbricated over the 

 rachis. Texture firm; surfaces naked. Sori 6 — 8 to a leaflet; indusium firm, 

 narrow. 



Borneo. 



* (29) A. flabellulatnm, i., Rac, Flor. Btz., I, 146; Bedd., 

 Ferns S.I., tab. CCXVIII; A. amoenum, Hk. ^ Grev., Ic. Fil., tab. CUE. 



Rhizome erect, short, clothed with narrow, lanceolate scales. Stipes 

 erect, strong, polished, dark, naked, to 25 c.M. long. Fronds irregularly 

 broadly ovate, to ± 20 c.M. or more long and to + 15 c.M. or more broad, 

 pedato-subdichotomous and the branches once or twice branched again. Central 

 branches to 20 c.M. long, no 2'/, c.M. broad. Leaflets to ± 10 m.M. broad 

 and to + 7'/2 m.M. deep, flabeUato-cuneate to dimidiate, the base truncate, 

 rounded or cuneate, the upper and outer margin rounded, entire, or slightly 

 or finely toothed. Texture coriaceous, rachis naked or tomentose above, sur- 

 faces naked. Sori in several transversally oblong patches round the upper 

 and outer edge, contiguous, often confluent. 



Trap. Asia, China, Japan. ' 



38. HYPOLELPIS, Bet-nhat-di, 



See Supplement 1. 

 Sori round, subterminal on the veins- on a thickened receptacle, sub- 



