FERNS OF THE MALAY-ASIATIC REGION. 
39 
60 cm long, like the rachises, black, somewhat rough, and sparsely clothed 
with tawny, crinite scales; frond 150 cm long, tripinnate; pinnae about 
12 on a side, the longest ones 50 cm long, 13 cm broad, short-stalked; 
distinct pinnules about 30 on a side, not quite sessile, 7 cm long, 1 cm 
broad, acuminate, the lower part cut to the costa, costa velvety above, 
beneath densely covered with scales of two kinds ; secondary pinnules 
narrowly obovate, obtuse, adnate, crenate-serrate, thinly coriaceous, glab- 
rous except for ciliate, bullate scales on the costule beneath, almost black 
above, the nether surface dark-olive; lower veinlets usually forked, but 
the fertile ones simple ; sori costular, covering the surface of the somewhat 
contracted fertile pinnules, exindusiate. 
Mindoro (Mount Halcon), in mossy woods, alt. 1,800 m. 
29. Cyathea truncata (Brack.) Copel. ( Alsophila truncata Brack, in Wilkes 
U. S. Expl. Exp. 16 (1854) 289). 
Rachises dark-purple, shining, sharply muricate, deciduously furfu- 
raceous-tomentose, as are also the costae, and the costules beneath; pin- 
nae 25 to 40 cm long, 10 to 12 cm broad, acuminate; pinnules 5 to 7 cm 
long, 6 to 12 mm broad, sessile, pinnate except at the apex; secondary 
pinnules very small, the lower ones stalked, linear-oblong, acute, the 
margin recurved, sinuate-lobate ; veinlets forked near the base ; sori cos- 
tular, small, dark-orange, exindusiate. 
Celebes to Samoa; Japan (?). 
30. Cyathea aneitensis Hooker. 
Rachises unarmed, ebeneous, purple-black, smooth; pinnae 30 to 45 
cm long, 10 to 12 cm broad, sessile or nearly so, shortly acuminate; 
pinnules cut almost to the costae, which are clothed with narrow, bul- 
late, pale scales; segments rather distant, oblong, acute, subserrate, cori- 
aceous-membranaceous ; veinlets forked ; sori copious, medial ; indusium 
thin, usually splitting first down one side. 
Aneitium, Ternate. 
31. Cyathea arachnoidea Hooker. 
Frond tripinnate, firm-coriaceous, glabrous above, cobwebby beneath; 
axes dark, muricate with short, black, sharp spines, clothed with a rusty 
tomentum; pinnules 5 to 10 cm long, 12 mm broad, pinnate almost 
throughout ; secondary pinnules 6 mm long, linear, acute, subf alcate ; 
veinlets inconspicuous; sori medial, indusium thin, white, and delicate, 
breaking into irregular, laciniate segments. 
Ternate, Queensland ; Java ? 
32. Cyathea tripinnata Copel. in Philip. Journ. Sci. 1 Suppl. (1906) 251. 
Trunk 2 to 3.5 m high, 10 cm thick, its apex and the bases of the 
stipes buried in whitish scales 3 to 5 cm long and 1 mm wide; stipe 
60 cm long, like the rachis, dull-purplish-black, scurfy with fine tawny 
squamules, sparsely beset with sharp spines 1 mm long; frond 2 nr long. 
