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; pinnae remote, stalked, 30 to 40 cm long, 12 cm wide, caudate, 
narrowed at base; pinnules remote, 6 cm long, 15 mm wide, lanceolate, 
pinnate, costae 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 costae, 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; costae beneath bearing sparse, minute, ovate, ap- 
pressed, pale-ferruginous scales, glabrescent; veinlets evident, lax, 6 to 9 
