65. LOXOG-RAMMA. 329 



(B) li. Oluineana, Ff. ; Antrophyum coriaceum, BL, Flor. Jav., 

 II, tab. XXXVII, flg. 1; — var. avenia; L. avenia, Pr.; A. avenium^ Bl.^ 

 1. c, fig. 2 ; ? L. malayana, Cowl, in Philipp. Journ., XF, 46, p. p., tab. I, flg. 

 1; -_ vai'. Foi-besii; L. F'orbesii^ Gopel, 1. c, IX'^, 232; 1. c, XF, tab. Ill, 

 flg. 12. 



Fronds oblanceolate, broadest above the middle ; sori elongate, erecto- 

 patent, imbricate, not rarely reaching nearly the margin. 



Forma typica: Fronds ± 25 — 60 cm. long by 2—7% cm. broad, 

 cnneate or decurrent at the base. 



War. avenia: Like the type but the fronds smaller, + 10—30 

 cm. long by 1 — 2 cm. broad. 



,. War. Forbesii: Like the type but the fronds to 10 cm. broad, 

 abruptly narrowed at the broadly cuneate or rounded base. 



(6) li. conferta, Copeh, in Philipp. Journ., XF, tab. IV, flg. 16. 



(7) li. iridifolia, Copeh, in Philipp. Journ , XF, tab. Ill, flg. 13. 

 A specimen gathered in Boraeo differs from the typical form in having 



the barren fronds rounded at the apex. — In old plants, however, the 

 fronds are acute or acuminate, 



(8) li. ensifrous, ». A. ». «., in Bull. Btz., 1913, XI, 16, tab. VI; 

 Polypoclium ensifrons, v. A. v. R., MS. in Herb. Bog. 



Rhizome elongated, clothed with brown, lanceolate-subulate scales. 

 Stipes — 2 mm. long, l'/^ cm. or more apart. Fronds dimorphous; 

 barren fronds oblanceolate-spathulate, + 30—40 cm long, acuminate, 

 4-^6 cm. broad in the upper half, narrowed gradually in the lower part, 

 + I'/j — 2'/, cm. broad above the rotundate-cuneate base, entire. Texture 

 coriaceous, rather flaccid ; surfaces naked ; costa prominent above, flattened 

 beneath; main veins slightly distinct beneath; areolae flne, with few free 

 veinlets. Fertile fronds linear, + 40—50 cm. long, 1^1^ — 2% cm. broad, 

 the longest the narrowest, gradually acuminate. Sori erecto-patent, not 

 subparallel to the costa, occupying the upper '/s — \'-2 of the fronds, 

 not quite reaching costa and margin, sometimes decurrent along the costa, 



Borneo. 



(9) li. diiuorpba, Copel., in Leafl., II, 407; Philipp. Journ., 

 XF, tab. IV, flg. 14. 



