PERNS OF THE MALAY-ASIATIC REGION. 37 



tate, pinnatifid less than halfway to the casta, serrate, the fertile, at least 

 sometimes, reduced; veinlets ahout 5 on a side, simple; sori costular, 

 exindusiate. 



Malacca; Batjan (flde Christ in Monsunia 90). 



21. Cyathea sangirensis (Christ) Copel. (Alsophila sangirensis Christ in 

 Monsunia 1 (1900) 90). 



Frond 70 cm long, hroadly 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.) Copvl. {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. 



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 palese 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 pinnae 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, indusium 

 none. Xamed 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 



