1. CYATHEA. 31 



2 — 3 cm. long, the largest to 40 cm. long, 16 cm. broad, the lower 

 sometimes smaller. Pinnulae short-stalked, horizontal, 1 ' , cm.- broad. 

 Segments narrowly elliptical, obtuse, entire, the lower free, the lowest 

 very short-stalked. Texture rigidly papyraceous; upper surface blackish, 

 naked, lower bluish, setose on the veins; veins + 6 pair. Sori medial; 

 indusium globose, cleft. 

 Luzon. 



(21d) C. patellifera, ». A. ». n., in Bull. Btz., 1914, XVI, 4. 



Stipes 50 cm. long, aculeate with short, sharp, conical warts, scaly 

 towards the base, tomentose towards the frond, the scales linear-subulate, 

 lirown, subentire. Fronds 3-pinnatifid, sub-3-pinnate, abruptly acuminate. 

 Pinnae oblanceolate, the largest sessile, 35 — 40 cm. long, 8 — 10 cm. broad 

 at or above the middle, more or less narrowed at the base, acuminate, 

 the lower abbreviated, on stalks S'/^ cm. long. Pinnulae close, linear- 

 oblong, to 6 cm. long, 1 '/2 cm. broad, acute, sessile or subsessile, spreading 

 or suberecto-patent, the lower horizontal or deflexed. Segments nearly 

 close, to 1 cm. long, 3 mm. broad, the central and higher linear-oblong, 

 blunt, crenated, connected at the base, the lower free, adnate, the lowest 

 subobovate-oblong, coarsely toothed (lobate-dentate\ broadly cuneate at the 

 base. Texture coriaceous; upper surface dark, lower paler; main rachis 

 densely tomentose, muricato-asperous, the tomentum pale-brown, persistent 

 above, deciduous beneath, intermixed with a few nearly filiform, deciduous 

 scales ; secondary rachises tomentose ; costae hairy above, shortly pubescent 

 and bullato-squamulose beneath, as are the costulae, at least in the lower 

 part ; veins blackish or dark-brown, very minutely and sparingly appresso- 

 pilose beneath, 5 — 6 on a side, forked, the highest simple. Sori occupying 

 the lower veins, subcostular ; indusium breaking away, the base persistent, 

 castaneous, shaliowly cup-shaped. 



Sumatra. 



(21e?) C albidosf|uainata. Rst., in Fed., Rep., XII, 525; 

 (? Hemitelia). 



Fronds sub-3-pinnate, elongate-oblong, acuminate ; rachises above brown- 

 hirsute in the groove, pale-tomentose beneath, the tomentum intermixed 

 with scales, the scales partly whitish, spreading, linear-lanceolate, hair- 

 pointed, subentire or sparingly ciliated, partly hair-like. Pinnae remote, 

 subsessile, linear-lanceolate, to 35 cm. or more long, 8 cm. broad below 



