!2 1. CYATHEA. 



nain rachis yellowish, ^ttnctato-Hmricatey^^tomfintflSft abose. Pinnae to 60 c.M. 

 ong, on stalks 2 — 4 c.M. long. Pinnulae T'/j — 10 c.M. long, IV2 — ^ "^-^I- 

 jroad, sessile, oblong-lanceolate, caudato-acuminate, the point serrate, the edge 

 ieeply pinnatifid nearly to the costa. Lobes linear-oblong, approximate, subfalcate, 

 :he margin serrate and rather recurved. Texture coriaceous; colour hlack- 

 !;reen, paler beneath ; rachises and costae + tomentose above ; costae and costulae 

 "urfuraceous beneath, the hairs and scales brownish; veins 8—12 on each 

 iide of the costulae, mostly forked. Sori 4 — 9 on each side, close to the 

 ;ostulae which they conceal; indusium firm, persistent, becoming subglobose, 

 he mouth a little contracted, entire. 

 Java, Celebes. 



* (20) C runcnsis, r. A. «. R. 



Fronds large, 5-pinnatifid ; main rachis setose above like the secondary ones 

 md the costae; the setae subulate, + adpressed, reddish-brown. Pinnae + 

 55 c.M. long, 22 — 25 c.M. broad. Pinnulae sessile, spreading, 2 — 272 c.M. 

 broad at the base, the apex acuminate, toothed or crenate, the edge cut + 

 Vs-way down to the costa into numerous (± 15), oblong, bluntish, subfalcate 

 lobes with a narrow space between them, the margin crenate, recurved, the lowest 

 interior lobes spreading, 5 m.M. broad, the lowest posterior + erecto-patent; 

 lowest pinnulae not the longest. Texture coriaceous; under surface paler than 

 the upper one; veins distinct, + 8 on each side of the costulae, the lower 

 l-z5 forked. Sori medial on the veins, occupying nearly all the veins, except 

 the highest ones, Ming up the whole space between the costulae and the 

 margin; indus'ium thin, hyaline, breaking down irregularly, the lower part 

 persistent. 



Pulo Bun (Ehun or Bhoon, Netc Guinea). 



(21) C. Havilandii, JBU., Trans. Linn. Soc, Bot., 2d Series, IV, 249. 



Stipes strong; the scales copious, lanceolate, brown, crisped. Fronds 

 oblong-lanceolate, 3-pinnatifid, + 60 c.M. long, 20—30 c.M. broad; main rachis 

 paleaceous. Pinnae sessile, oblong-lanceolate, ± 5 c.M. broad, the lowest not 

 reduced. Pinnulae numerous, close, lanceolate, sessile, the lower ones deeply 

 pinnatifid. Lobes linear-oblong, erecto-patent. Texture subcoriaceous; under 

 surface densely scaly on the costae; veins simple, 4—5 on each side of the 

 costulae, erecto-patent. Sori in 1 row on each side of the costae; indusium 

 Srm, cupuliform, naked, persistent. 



Borneo. 



