18. CYCLOPELTIS. 139 



lower base truncate-cordate or auriculate-cordate, the auricle not incurved ; 

 lower pinnae a little shorter, rather straight, nearly equally cordate- 

 truncate to rotundate on both sides at the base; lowest pinnae more 

 or less deflexed; higher pinnae growing gradually smaller, ascending, 

 rotundate-cuneate at the upper base, the highest smaller than the terminal 

 one. Texture subcoriaceous ; surfaces naked; costae beneath sparingly 

 deciduously long-hairy in the lower part; veins spreading, pinnate with 

 1 — 3 branchlets on a side; veinlets alternate, erect, parallel to the veins, 

 the lower not reaching the margin. Sori in 2 rows on each side of 

 the costae, the inner row occupying the lowest anterior, the outer row 

 the lowest posterior veinlets; indusium peltate, persistent. 

 Celebes. 



(2) C Presliaua, BerU. 



Forma typica: Fronds lanceolate; lower pinnae gradually much reduced. 



(3y C novoguineensis, Rst., in Fed., Rep., X, 329; ? C. 

 Presliana, Berk., var. biauriculata. 



Rhizome thick, erect, woody, clothed with ferrugineous, narrowly 

 linear, hair-pointed scales. Stipes tufted, ± 10 cm. long, 3-sulcate 

 above, conves beneath, pale-brown, densely scaly, upwards glabrescent. 

 Fronds lanceolate-oblong, 80 cm. more or less long, ± 20 cm. broad, 

 narrowed gradually towards both ends. Pinnae horizontal, numerous, 

 subapproximate, alternate, the central the longest, subfalcate-linear, + 

 '/j — 1 cm. broad, narrowed gradually to the acuminate apex, entire or 

 subundulate, minutely appresso-ciliolate, 2-auriculate at the base, the 

 anterior auricle suberect, spur-shaped, adpressed to the under side of the 

 rachis, the posterior circinate, adpressed to the upper side of the rachis ; 

 lower pinnae obtuse, deflexed. Texture chartaceo-membranaceous ; surfaces 

 naked; rachis shortly tomentose and sparingly scaly, soon naked; costae 

 hardly prominent, provided beneath with scattered, deciduous scales; 

 veins 3 — 4-furcate. Sori in 1 row on each side, submedial between the 

 costa and margin, terminal or subterminal on abbreviated anterior 

 veinlets, sometimes accompanied by accessory ones placed little beyond 

 the others. 



Forma typica: Basal pinnae simple. 



Forma subbipinnata : Basal pinnae elongated, pinnate again. 



New Guinea. 



