58 COPELAND. 



not very dark above, coriaceous, lowest secondary pinnule often dilated and 

 pinnatifid; veinlets about 13 on a side, forked; sori costular, crowded 

 but not reaching the apices of the segments, 1 mm or less wide, indusium 

 splitting into large pieces and only the lower part persistent. 

 Luzon (in the mountains of Benguet). 



91. Cyathea saccata Christ. 



An alpine dwarf; frond 115 cm long, 80 cm wide, stipe 25 cm long; 

 stipe and rachis minutely verrucous, glabrous, rufous-stramineous, shin- 

 ing; pinna? remote, stalked, 30 to 40 cm long, 12 cm wide, caudate, 

 narrowed at base; pinnules remote, 6 cm long, 15 mm wide, lanceolate, 

 pinnate, eostae black, beset above with minute brown scales; secondary 

 pinnules 13 or 14 on a side, separate, 2.5 mm wide, dentate; veinlets 9 

 to 12 on a side, forked, conspicuous ; sori medial, indusium pellucid. 



Celebes (Mount Topapu, alt. 1,300 to 1,700 m). 



92. Cyathea runensis v.A.v.R. in Bull. Dept. Agr. Ind. Neerl. 18 (1908) 1. 

 Rachis unarmed, setaceous above; pinnae about 55 cm long, 22 to 25 



cm broad; pinnules sessile, acuminate, 2 to 2.5 cm wide at the base, 

 pinnatifid; segments oblong, subfalcate, subobtuse, crenate, margin 

 slightly decurved; veinlets about 8 on a side, the lower ones forked; sori 

 medial, numerous, indusium breaking into irregular fragments; frond 

 ample, coriaceous, glabrous. The proper place of this species is un- 

 certain because of incomplete description. 

 Pulo Run. 



93. Cyathea leucophaes Hassk. 



Trunk 3 to 5 m high; stipe and rachis spiny; frond tripinnatifid, 

 coriaceous, glabrous, becoming whitish above as it dries; pinnae oblong- 

 lanceolate, acuminate, mostly stalked; pinnules linear-oblong, acuminate, 

 unequally truncate at the base, deeply pinnatifid ; segments linear-oblong, 

 acute, serrate-crenate at the apex and the margin reflexed ; veinlets forked, 

 with the globose sori in the forks; indusium membranaceous, hyaline, 

 globose, soon irregularly torn, and finally vanishing. 



Java. 



94. Cyathea junghuhniana (Kze.) Copel. (Alsophila junghuhniana Kze. in 

 Bot. Zeit. 6 (1848) 284). 



Frond bright-green above, pale beneath, axes unarmed; rachises 

 stramineous or fuscous, hirsute above as are also the eostae, beneath smooth 

 or minutely nodulose; pinnules 11 cm long, 16 to 20 mm wide; segments 

 close, connected by a narrow wing, linear-oblong, subfalcate, obtuse, 

 repand or serrulate; eostae beneath bearing sparse, minute, ovate, ap- 

 pressed, pale-ferruginous scales, glabrescent; veinlets evident, lax, 6 to 9 



