62 3. ALSOPHILA. 



forked. Texture papyraceous; upper surface deep-green, lower more or 

 less palish. Sori costular. 

 Mindanao. 



(17) A. sangireiisis, Christ; Cyathea sangirensis, Copel., in 

 Philipp. Journ., IV^, 37. 



(18j A. lepitloclada. Christ. 



Under surface provided with scattered, long, crisped, whitish hairs 

 on the veins, and the costae moderately closely hairy; main rachis purplish 

 when destitute of its covering, densely villose with long, grey, interlaced, 

 woolly hairs besides the scales. 



(18a) A. a(ro|>ur|iurea, C. Chr., Ind. Fil., Suppl. ; Cyathea 

 atropurpurea, Copel., in Philipp. Journ., IV^, 36, tab. XVIII. 



Trunk + 2 m. high, 4 cm. in diameter. Stipe and rachis purple, 

 unarmed, the base of the stipe clothed with long, rigid, adpressed paleae 

 with pale margins, and bearing some very reduced pinnae almost vdthout 

 lamina, but not spine-like ; rachises bearing above purple hairs intermixed 

 with filiform paleae and beneath very sparse squamulae. Fronds + 150 

 cm. long, + 60 cm. wide. Pinnulae ± 7 cm. long, caudate, at the base 

 cut to the rachis; lower segments contracted at the base, often sub- 

 petiolulate, margins serrate. Surfaces naked, purplish-green; costae hairy 

 above, scaly beneath, the costulae slightly so; veins simple, ± 5 on a 

 side. Sori costular 



Luzon, Mindoro, Mindanao. 



(19) A. latebrosa, WaU. 



Omit this species, it being referred to Hemitelia. 



(20a) A. alpina, r. A. e. n., in Bull. Btz., 1915, XX, 4. 



Stipes when dry pale-fuscous, aculeate with acutely conical warts, 

 deciduously furfuraceous and scaly, the tomentum ochraceous, the scales 

 long, subulate-lanceolate, fuscous, more or less eroso-denticulate in the 

 lower part. Fronds 3-pinnatifid, sub-3-pinnate, the rachis asperulous and 

 deciduously fusco-squamose, the upper side ferrugineo-tomentose, the lower 

 side deciduously ochraceo-furfuraceous. Pinnae subhorizontal, sessile, the 

 rachis castaneo-tomentose above, pale-furfuraceous beneath. Pinnulae 



