Cyathea bicrenata Liebm.

Cyathea aphlebioides Christ, Bull. Herb. Boiss. II. 6: 179. 1906
Caudex undescribed ; stipe stout, 2.5 cm. in diameter at the base, ochraceous, shining, armed with numerous almost spirally arranged stout conical subintrorse spines about 5 mm. long and clothed at the base with shining blackish scales more than 1 cm. long with whitish ciliate-lacerate margins ; rachises dark-purplish, the uppermost portions reddishstramineous, slightly rugose, nearly smooth; lower pinnae deflexed, 30 cm. long, with abortive irregularly incised pinnules scarcely 3 cm. long ; characteristic pinnae up to 50 cm. long, 17 cm. broad, short-petiolate, acuminate, scarcely narrowed at the base ; pinnules about 35 pairs, close, sessile, about 9.5 cm. long, 1.8 cm. broad, very deeply pinnatifid, the apex linear -caudate, dentate ; costae and costules sparingly clothed below with deciduous buUate ovate erose-lacerate ferruginous scales, with yellowishwhite hairs intermixed ; segments about 20 pairs, 9-10 mm. long, about 3 mm. broad at the base, close, falcate, sub-