441 

 IX. MLAJRA.TTIA^CEA.E. 



QO. .^IVGHOPTEEIIS, noffmann. 



(1) A. Smithii, Rac. 



Omit this, as being referred to Macroglossum. 



(3a) A. cvecta, fflo/fm. 



Secondary rachises naked. Pinnulae subrepando-crenate, serrulate 

 towards the apex, the base broadest and shortest on the upper side, 

 ;- longest and narowest on the lower side; recurrent veinlets long. 



(3a*) A. ferox, Copel., in Philipp. Journ., VF, 134, tab. XII b. 



Stipe and main rachis clothed with strong, black-brown setae 1 — Vj^ 

 cm. long. Pinnae + 70 cm. long, the rachis provided with smaller setae 

 towards the base. Pinnulae + 30 on a side, the lower diminished, the 

 central + 16 cm. long, + 2 cm. broad, minutely denticulate, rather 

 gradually long-acuminate, the acumen slightly seirate, the base as in A. 

 evecta Hoffm. Texture coriaceous; costae prominent on both sides, scaly 

 towards the base beneath; veins conspicuous, pellucid; recurrent veinlets 

 opaque, very long. Sori often contiguous, rather intramarginal, consisting 

 of + 7 — 9 capsules. 



Borneo. 



(3a*a) it., snbfiirfnracea, ». A. ». n., in Bull. Btz., 1913, XL, 1. 



Rachises deciduously furfuraceous with scattered, adpressed, ferrugin- 

 eous, small, ragged scales and long, fuscous, crisped hairs. Pinnulae 

 numerous, the central ones the largest, linear, + 17 '/j — 20 cm. long, 

 2 — 2 72 cm. broad, acuminate, crenate, serrate towards the apex, the base 

 unequally truncate-rotundate or truncate-cuneate, shortest and broadest on 

 the upper side. Texture thinly coriaceous, rather flaccid; upper surface 

 bright-green (when dry bronce-green or fuscous), lower paler; costae and 

 veins naked or beneath somewhat flmbriato-squamulose ; veins nearly 

 horizontal, upcurved, simple or forked, rather dark beneath; more or less 

 pellucid; recurrent veinlets moderately long, impellucid. Sori often con- 

 tiguous, intramarginal, consisting of + 6 — 9 capsules; indusium minute, 

 flnibriate. 



Hart. Bog. 



