554 64. ANTROPHYUM. 



no midrib; veins very slender; areolae long, narrow. Sori linear, simple, 

 subcontinuous or short and interrupted; paraphyses clavate or obpyriform at 

 the apex. 



Java. 



« (11) A. subfalcatum. Brack., Hk. Bk., Syn. Fil. 592; A. 5roo- 

 kd, Blc, 1"* Cent, of Ferns, tab. LXXIX. 



Fronds 15 — 50 c.M. long, Vs^l'/a •^•^- broad, linear or linear-lanceolate, 

 the point acute, the edge entire, the lovrer part narrovred very gradually to 

 the base or a short stipe, an indistinct midrib in the lower part. Texture 

 ± coriaceous; surfaces naked; areolae longitudinal, about 2 — 5 on each side, 

 several times longer than broad. Sori moderately immersed, in 2 — 6 inter- 

 rupted lines, hardly uniting; paraphyses linear. 



Malaya; Polynesia. 



♦ (12) A. coriaceuni, Wall., Hk. Bk., Syn. Fil., 595; i^ . foiieih 

 laUm, BM,, Handh, lad. Farnc, idl; Fopan Si Lj tah. frVYYI; Humionilis 

 coriacea, Don, (oldest name). 



Fronds ± 15—45 c.M. long, 1-2 c.M. broad, narrowed gradually from 

 the centre to both ends, the apex acute. Texture very thick, surfaces naked; 

 no midrib; .areolae long and narrow; veins raised on the upper surface. 

 Sori rather copious, immersed, sometimes confluent; pai'apbyses linear. 



Malaya; North. India. 



* (13) A., ova turn, ». A. v. Wt., Bull. D6p. Agr. I. N., i908, XVllI, 

 17, tab. II, fig. 1, a — e. 



Bhizome short, clothed with linear-subulate or -lanceolate, shortly toothed 

 or entire, brown or black scales. Stipes close, 1 — 4 c.M. long, firm, erect. 

 Fronds broadly ovate-spathulate, + 8 — 10 c.M. long, the broadest part ± ovate, 

 4 — 6 c.M. broad (at or above the middle), more or less suddenly narrowed 

 into an acuminate point and the lowest + cuneate part of the frond, the edge 

 entire, subpellucid. Texture coriaceous; a slender midrib in the lowest part; 

 areolae 1—1 '/j c.M. long, to 5 m.M. broad. Sori not copious, slightly sunk, 

 rarely joining, not long, nearer the edge than the central part of the frond, 

 subflabellate ; edges of the furrows not raised; paraphyses linear, spirally 

 twisted. 



Sumatra (Forbes, No. 2923a). 



