FERNS OF THE MALAY-ASIATIC REGION. 53 



black; lowest secondary pinnules deflexed over the rachis and not adnate, 

 the others adnate, crowded, narrowly oblong, obtuse, entire or nearly so, 

 bullate, coriaceous, glabrous and brownish-green above, apparently 

 glaucous beneath, with occasionally a scale on a costule and very minute 

 whitish hairs on the veinlets; veinlets about 10 on a side, simple or 

 forked near the costules; sori subcostular, soon confluent and covering 

 the whole surface, without indusium or subtending scale. 

 Luzon (Mount Banajao, alt. 2,000 m). 



75. Cyathea calocoma (Christ) Copel. (Alsophila calocoma Christ in Philip. 

 Journ. Sci. Bot. 2 (1907) 182). 



Trunk (5 in high; frond 4 m long; stipe densely clothed at the base 

 with straw- white scales up to 4 cm long and 6 mm wide, which are brown 

 at the tip, with filiate, acicular, brown paleae about 1 cm long, and with 

 every intermediate form, white with brown borders; rachis stout, dark- 

 or light-brown, spiny beneath, scurfy, especially above; pinnae 75 cm long, 

 short-stalked, abruptly acuminate, rachises like the main rachis but with 

 a distinct hairy line above; pinnules crowded, sessile or the lower ones 

 stalked, long-acuminate, up to 15 cm long, 15 to 25 mm wide, pinnate 

 in the lower part, and the lowest secondary pinnules short-stalked, costae 

 with a narrow hairy line above, dark beneath and bearing very few fine, 

 pale scales; segments 2 to 3 mm wide, falcate, rather obtuse, usually 

 entire, glabrous except for a few white squamules and rather long hairs 

 on the nether side of the costules, herbaceous, deep-green above, sub- 

 glaucous beneath; veinlets about 12 on a side, forked; sori medial, 1 mm 

 wide, not reaching the apex, indusium none. 



Luzon, Mindoro. 



O. calocoma var. congesta Christ ibidem, has a more densely and finely spiny 

 rachis, and more coriaceous and very crowded pinnules and segments. 

 Luzon. 



76. Cyathea caudata (J. Sm.) Copel. in Philip. Journ. Sci. 1 Suppl. (1906) 

 144. 



Trunk 2 to 3 m high, 4 to 7 cm in diameter; stipe very short because 

 of reduced pinnae coming down almost to the trunk, almost black, 

 minutely scurfy and bearing harsh, acicular, dark scales, such as extend 

 some 30 cm up the upper face of the rachis, densely spiny; rachis spiny 

 only near the base, very minutely and sparsely roughened above, brown, 

 bearing a deciduous scurf beneath; frond 1.5 m long; middle pinnae 

 about 35 cm long, subsessile, abruptly acuminate, rachises like the main 

 rachis, but the furfuraceous squamules more persistent; pinnules 7 to 11 

 cm long, about 2 cm wide, sessile, acuminate or caudate, cut at the base 

 to the costa, elsewhere to a narrow wing, costa dark-hairy above, purplish 

 beneath and minutely and deciduously scaly; lowest secondary pinnules 

 sessile but not adnate ; segments serrulate and subf alcate at apex, obtuse, 

 about 3 mm wide, costules naked above, scaly beneath, lamina coriaceous, 



