FERNS OF THE MALAY- ASIATIC REGION. 
45 
almost covering the basal part of the secondary pinnules; indusium large, 
very fragile, breaking up irregularly. 
Sumatra (Mount Singalan, above 1.700 m alt.), Java. 
48. Cyathea raciborskii Copel. liom. nov. (Hemitelia crenulata Mett., non 
Cyathea, Blume). 
Trunk up to 3 m high, 5 cm thick; frond 140 cm long, 70 cm broad, 
axes unarmed ; pinnae up to 45 cm long, lanceolate, the lower ones reduced 
(beside some very reduced ones at the base of the stipe), the racliises 
straw-yellow or subfuscous, densely hirsute above, beneath beset with 
fine hairs and sparse, minute, fuscous, subulate paleae; pinnules cut to 
the costa, 6 to 10 cm long, the costae hairy above, beneath bearing minute, 
bullate scales; segments or secondary pinnules close, oblong or elongate- 
oblong, subfalcate, obtuse, crenulate or entire, thin, bright green, paler 
beneath ; veinlets evident, 6 to 9 on a side, the lower forked, the upper 
simple; sori 2 to 4 on a side, costular. 
Java, common at middle altitudes about Buitenzorg; ascribed also to Sumatra 
and the Philippines. 
49. Cyathea lurida (Blume) Copel. (Chnoophora lurida Blume Enumeratio 
(1828) 244). 
Stipe and rachis unarmed but roughish, purplish, densely tomentose 
above and scaly with thin, ciliate, subulate paleae, beneath bearing sparse, 
crisped, lanceolate scales, brown with light margins; pinnae 30 cm long, 
short-stalked; pinnules 5 cm long, 10 mm wide, cut almost or cjuite to 
the costa into numerous linear-oblong, almost entire, coriaceous segments, 
costa hairy above, beset beneath with dentate, ovate-lanceolate, imbricate, 
dull-ferruginous scales, which become shorter and more bullate toward 
the apices and on the costules; veinlets 5 or 6 on a side, simple or the 
lowest forked, mostly fertile; sori subcostular, cinnamon-red, indusium 
none. 
Java, Celebes. 
50. Cyathea batjanensis (Christ) Copel. ( Alsophila batjanensis Christ in 
Monsunia 1 (1900) 90). 
Trunk 3 m high; frond 1 m or more long; stipe strongly aculeate, 
glabrous ; rachis rough with minute scales, fusco-stramineous ; pinnae 8 to 
10 on a side, remote, stalked, 8 to 10 cm long, 6 cm wide, short-acuminate ; 
pinnules remote, cut deeply but not to the costa; segments 6 to 8 mm 
long, 3 mm wide, serrate, obtuse, coriaceous ; veinlets simple, conspicuous ; 
sori small, medial, separate, indusium none. 
Batjan (Mount Sibella, up to 750 m alt.). 
51. Cyathea havilandi Baker. 
Stipe stout, bearing copious crisped, brown scales; frond 60 cm long, 
22 to 30 cm broad, oblong-lanceolate, tripinnatifid, the lamina sub- 
coriaceous, glabrous; rachis stout, scaly; pinnae sessile, the lowest not 
