﻿64. ANTROPHYUM. 551 



3.3. Sori mostly ftexuose, short or long, reticulate. 



S:. Costa wanting or present, but then not black. 



(16) A. reticulatum. 

 41.4. Costa present, black. (17) A. Cumingii. 



£.±.1. Fully developed fronds + i5 c.M. broad. 



(18) A. spathulatum. 



(1) A. inarginale, Bl., Flor. Jav., II, 80, tab. XXXIV, fig. 1 &2; 

 ( ? A. callifolium, BL, C. Chr. Ind. Pil.). 



Rhizome short-creeping, reddish-brown, the scales setiform. Fronds sessile, 

 4 — 25 c.M. long, 8 — 20 m.M. broad, simple, linear-lanceolate, sometimes fal- 

 cate, narrowed towards both ends, the apex sometimes unequally 2-fid, the 

 edge entire, or at best undulate in the fertile fronds. Texture coriaceous; no 

 midrib; surfaces iiaked. Sori marginal, continuous or interrupted, slightly 

 immersed; paraphyses linear. 



Java. 



(2) A. CleilieiitiiS, Christ, Philipp. Journ., II, 175. 



Fronds elongate-lanceolate, caudate, ± 50 c.M. long (incl. the stipe), + 

 2^2 c.M. broad at the middle, narrowed gradually towards both ends, the 

 margin bounded by a narrow, hyaline line. Texture diaphanous ; costa present 

 in the lower part of the frond, yellow, at best 8 c.M. long; areolae long, 

 vertical, + S'/j c.M. long, + 2 m.M. broad. Sori narrow, filiform, in + 3 

 rows on each side near the margin, irregular, varying from 72 to 7 c.M. long, 

 not joining, slightly prominent on the upper surface of the frond. — Colour 

 of the fronds emerald-green. 



Mindanao. 



* (5) A. imiuerfSUitl, Mett., Rac, Flor. Btz., I, 65; A. pumilum, 

 Klf., Hk. k Grev., Ic. Fil., tab. XLVI; A. obtusum, Bl. (not Klf.), Flor. Jav., 

 II, 80, tab. XXXIV, fig. 4; Hemionilis immersa, Bory, (oldest name). 



Rhizome short, slender, scaly. Fronds dense, 2 — 6 or rarely to 10 c.M, 

 long, + 8 — 15 m.M. broad, elongate-oblong to cuneate or spathulate, narrowed 

 gradually from a blunt or rounded apex to the base or a stipe to 2^2 c.M 

 long. Texture coriaceous; no distinct midrib. Sori immersed, often forked or 

 joining; paraphyses clavate or capitate at the apex. 



Malaya; Mascarenes. 



