FERNS OF THE MALAY- ASIATIC REGION. 
37 
tate, pinnatifid less than halfway to the costa, serrate, the fertile, at least 
sometimes, reduced; veinlets about 5 on a side, simple; sori costular, 
exindusiate. 
Malacca; Batjan (fide Christ in Monsunia 90). 
21. Cyathea sangirensis (Christ) Copel. (Alsophila sangirensis Christ in 
Monsunia 1 (1900) 90). 
Frond 70 cm long, broadly ovate-deltoid; stipe stramineous, unarmed, 
but like the rachis rough with black pustules and hair-like scales; pinnae 
10 to 15 on a side, ovate, their rachises strigose-pilose ; pinnules 4 cm 
long, 1 cm wide, cut to a narrow wing; lobes ovate, obtuse, crenulate, 
separated by rounded sinuses; veinlets simple; sori 4 on each side, 
crowded, exindusiate. 
Sanguir. 
22. Cyathea obscura (Scort.) Copel. ( Alsophila obscura Scort. ; Bedd. in 
Journ. Bot. 25 (1887) 321, pi. 278, f. 2). 
Caudex 2 m high; stipes 30-60 cm long, densely clothed toward the 
base with long lanceolate, sharply serrate scales; fronds 120 to 150 cm 
long, 60 cm broad, bipinnate; rachis scaly above, naked beneath; pinnae, 
middle ones 30 to 45 cm long, 8 to 15 cm Broad, smaller toward ends of 
frond, their rachises hairy above, naked beneath ; pinnules 4 to 7 cm long, 
12 mm broad, truncate at base, apex obtuse, subcoriaceous, glabrous except 
for hairs on costa and bullate scales on costules beneath, cut halfway to 
the costa into broad, obtuse segments ; veinlets 4 or 5 on a side, simple or 
more often forked ; sori medial on the lower veinlets, mixed with hyaline, 
moniliform hairs. 
Perak. 
'--V 1 -; - 
23. Cyathea hancockii Copel. (Alsophila denticulata Baker in Journ. Bot. 
23 (1885) 102, not Cyathea, Goldm.). 
Trunk short; stipe 30 cm long, brown, the base clothed with light- 
brown lanceolate palete 1 cm long, the rachis brown, sparsely scaly, glabres- 
cent ; frond 45 cm long, moderately green on both surfaces, hairy on the 
ribs above, the lamina glabrous, but the costules beneath bearing minute, 
ovate, bullate scales, tripinnatifid but fertile in bipinnate and bipinnatifid 
forms as well; lower pinme largest, lanceolate-deltoid, 10 to 15 cm long, 
3 to 5 cm broad, stalked; lower pinnules distinct, sessile, lanceolate, pin- 
natifid; segments oblong, 2 to 2.5 mm broad, inciso-crenate; veinlets 
simple or forked ; sori medial, superficial, brown, receptacle low, indusiurn 
none. Named for its first collector. 
Formosa, south China. 
24. Cyathea squamulata (Blume) Copel. (Gymnosphaera squamulata Blume 
Enumeratio 243 ) . 
Trunk 2 m high, 8 cm thick; stipe 30 cm long, unarmed or slightly 
muricate, bearing broad palese 2.5 cm long, bright-brown with darker 
margins; rachises hirsute above, hairy or slightly scaly beneath; frond 
