20 1. CTATHEA. 



lanceolate. Pinnulae sessile, lanceolate. Ultimate segments oblong, obscurel] 

 crenate. Texture moderately firm; under surface covered with small scalei 

 on the veins; veins distinct, ereclo-patent, 5 — 6 on each side, mostly forked 

 Sori medial on the veins ; indusium firm, persistent, naked, the opening broad 

 entire or cut down to the receptacle. 

 New Guinea. 



(14) C. Integra, J. Sm., Hk. Bk., Syn. Fil., 23; Hk., Icon., Pl.,Vn 

 tab. DCXXXVIII; — var. petiolata; C. peliolata, J. Sm., Hk., 1. c, fig. 2. 



Fronds 3-pinnatifid ; main rachis + short-hairy or tomentose above (conf 

 Hooker's dravring). Pinnae large, ± 4S — 50 c.M. long. Pinnulae sessile, 

 ± 15 on each side below the pinnatifid apex, + V'/i — 12Vj c.M. long, the 

 apex acuminate, toothed, the base + truncate, + l*/j c.M. broad, the edge 

 cut '/s — ^/s-wsiy down to the costa into broad, oblong, subfalcate, serrate 

 lobes. Texture firm-membranaceous ; upper surface brownish-green, undei 

 one paler, both surfaces naked. Sori in 1 row on each side, medial between 

 the costulae and the margin, occupying the lower veins: indusium pale, 

 membranaceous, breaking down into a persistent, lobed cup. 



War. petiolata: Pinnulae often stalked. 



Amboyna, Philippines. 



(15) C. assimilis, me., Hk. Bk., Syn. Fil., 24; C. Beccariana, Ces., 

 Fel. di Bor., 5. 



Stipes bright-chestnut-brown, slightly muricate and fringed on one side 

 with long, ferrugineous scales. Fronds large, 5-pinnatifid; superior rachis 

 + squamose like the underside of the costae. Pinnae nearly 50 c.M. long, 

 7Vj— 10 c.M. broad, acuminate, petiolate. Pinnulae and superior pinnae 

 deeply pinnatifid almost to the costa. Lobes oblong, obtuse, subfalcate, coars- 

 ely toothed, the lowest inferior lobe always the smallest. Texture thinly 

 herbaceous to rigidly membranaceous; veins simple or 1 — 2 X forked. 

 Sori dorsal on the veins or in the axils of the forks ; indusium very thin and 

 filmy, breaking down into irregular lobes. 



Borneo, Celebes. 



(16) C Zollingeriana, JUeH., Ann. Mus. Bot. L. B., T, 57. 

 Stipe and rachis blackish-purpureous ; stipes rough, nodose below, furfura- 



ceous; rachis rough in the lower part, slighUy scaly, densely hirsute above, 

 purveyed with prominent, tuberculiform glands at the base of the pinnae Fronds 



