180 22. DRYOPTEBIS. § 2. NEPHEOBIUM. 



lobecl from '/^ to '/.i -way down to the costa, the lobes obKque, subf alcate, 

 blunt, more or less hairy on or near the edge ; rachis and costae villose 

 at least on the upper side ; surfaces naked or more or less provided with 

 scattered, minute, yellow glands between the veins; veins 6 — 10 on a 

 side, slightly puberulous on the under side or on both sides, the 3 — 6 

 lower anastomosing; sori with the capsules somewhat setose, and the 

 indusium mostly naked. 



Forma typica. — Malaya; North India, Ceylon, Comores, South Africa. 



Var. ahbrcviata: Pinnae 7 — 8-jugate, 7 — 10 cm. long by 2 — 2^j^ 

 cm. broad, more densely villose on the anterior side. — Neiv Guinea. 



(Sib) D. pseucloinegaphylla, ». A. ». «.,• D. megaphylloides, 

 V. A. r. R., in Bull. Btz., 1915, XX, 16. 



Like the preceding, but the rachis without subcallous increasings, 

 densely hirsute, as are the costae; costulae and veins copiously hirsute 

 beneath with moderately long, acute hairs; sori with the capsules and 

 the indusium copiously setose. 



Sumatra. 



(88) n. arbtisciila, O. xtme. 



Rhizome erect, woody, often forming a small trunk to + 10 cm. 

 high. Stipes tufted. Fronds + 10 — 20 cm. broad. Pinnae about 1 cm. 

 broad, bluntly short-acuminate ; + 6 — 10 lower pinnae gradually reduced 

 to mere, blunt, deltoid auricles. 



Forma minor: Small, to 20 cm. long and 7'/.2 cm. broad, and the 

 reduced pinnae less numerous ; veins 3-4 on a side. — Neic Chiinea 

 (Schlechter No. 14403). 



(89) D. aniboineiiisis. o. Ktmes C. Chr., Ind. Fil., Suppl. 

 Rhizome, short-creeping or erect, not trunk-hke. Stipes approximate 



or fasciculate. Fronds + 15 — 25 cm. broad. Pinnae. 1 — 2'/.^ cm. broad, 

 entire, crenate or lobed, acutely long-acuminate ; + 1 — 6 lower pinnae 

 reduced, often hastate and acuminate. — Often confounded in herbaria 

 with D. arbuscula 0. Ktse. 



(90) l>. inultiliiieata, o. Ktme. 



A plant gathered in New Guinea (leg. Versteeg; det. Christ) has the 



