﻿1. CYATHEA. 21 



o-pinnatifid. Pinnae lanceolate, short-stalked. Pinnulae sessile, ± 7 c M. long, 

 + 17 m.M. broad, linear-oblong, the apex narrowed, obscurely serrate. Lobes 

 close, linear-oblong, slightly falcate, entire, serrate at the obtuse apex. Texture 

 coriaceous; upper surface hirsute or furfuraceous on the costae, under one 

 scaly on the costulae; veins line, forked. Sori close to the costae, 1 on each 

 side of the costulae ; indusium firm, membranaceous, cupuliform, the mouth 

 constricted, + lepand, afterwards cut down irregularly. 

 Java. 



(17) C. H.orthalsii Men., Hk. Bk., Syn. Pil., 2S ; Mett., Ann. Mus. 

 Bot. L. B., I, 57. 



Fronds 3-pinnatilid, main rachis hardly nodulose, short-ferrugineo-tomentose 

 above. Pinnae 30 — 45 c.M. long, subsessile, elongate-oblong. Pinnulae 5 — 8 

 c.M. long, 1 — 2 c.M. broad, sessile, oblong, acuminate, the point bluntish, 

 the edge deeply pinnatifid. Lobes oblong, approximate, subfalcate, subentire, 

 obtuse, narrow. Texture firm, chartaceous; colour deep-green above, paler 

 beneath; rachises slightly scaly beneath, + hirsute above; upper surface 

 ferrugineo-hirsute on the costae, under one sparingly bullato-paleaceous ; veins 

 visible, slender, oblique, the lower forked. Sori more or less copious, close 

 to the costulae, chiefly in the lower part of the lobes; indusium firm-mem- 

 branaceous, falling away in fragments. 



Sumatra, Java, Celebes. 



* (18) C crenulata, Bl., Rac, Flor. Btz„ 1,36; C.excelsa,Kze {not 

 Sw.), Bot. Zeit., 1848, 284. 



Fronds 3-pinnatifid ; main rachis ferrugineo-tomentose above like the secon 

 dary ones and the costae. Pinnae subsessile, to 50 c.M. long, to 20 c.M. broad 

 oblong, acuminate. Pinnulae oblong-lanceolate, short-acuminate, 5 — 10 c.M. long 

 to 2 c.M. broad. Lobes approximate, oblong, subacute, subfalcate, + 3 m.M 

 broad, slightly crenate, subdistinct. Texture subcoriaceous ; colour dark-green 

 paler beneath; veins to + 10 on each side of the costulae, forked. Sori 

 close to the costulae, occupying the lower 1 — 3 veins; indusium membrana- 

 ceous, firm, soon breaking into very irregular lobes. Under surface sparingly 

 scaly on the costulae. 



Java. 



* (19) C orientalis, JSoore, Rac, Flor. Btz., 1,51 ; C.arborea,Sm., 

 var. pallida, Hassk., Obs. Fil. Jav., I, 15. 



Fronds large, ovate-lanceolate, to 2 1/2 M. long, to 1 V2 M. broad, 3-pinnatifid ; 



