﻿680 72. CYCLOPHORUS. § 1. NIPHOBOLUS. 



f.-J". Upper surface purveyed with depressed dots, 

 which are covered with minute, deciduous, 

 blackish, calcareous scales. (18) C. porosus. 

 5.5. Sori in 5 — 8 rows on each side of the costa. 



€. Upper surface purveyed with depressed dots 



and minute, deciduous, blackish, calcareous 



scales. (19) C. sticticus. 



6.6. Upper surface not purveyed with depressed dots 



and minute blackish scales. (20) C. mollis. 



3.3. Fully developed fronds more than 30 c.M. long. Sori in 



5 — 8 rows on each side of the costa. (21) C. albicans. 



[1) C paeliyderiiiuis, C. Chr., lnd.Fi\.;Polypodiumpachydermum, 

 Bk., Journ. of Linn. Soc, Bot., XV, 108. 



Rhizome wide-creeping, woody, flexuose, the scales minute, adpressed, 

 lanceolate, black, mixed with a brown powder. Stipes naked, 1 — 2'/2 c-M. 

 long. Fronds dimorphous, the barren ones oblanceolate-oblong, obtuse, S'/j 

 5 c.M. long, 1 — 2 c.M. broad, cuneate at the base, the fertile ones ligulate, 

 7 — 10 c.M. long. Texture thick, coriaceous; upper surface naked, lower cloth- 

 ed with a thin tomentum visible by magnifying power, the hairs with a dis- 

 tinct hare space round each; veins immersed. Sori occupying the upper '/2 

 or ^/j of the frond, supeificial, 6 — 8 in erecto-patent rows between midrib 

 and edge. 



Kei Islands, Moluccas. 



* (2) C rupei§>ti*i§i, C. CUr., Ind. Fil.; Polypodium rupestre, R. Br., 

 Melt., Farng., I, Polypod., 125; P. confluens, Hk. (not R. Br.), Hk. Bk., Syn. 

 Fil., 549; Niphobolus rupestris, Spr., Gies., Niph., 169; Hk. k Grev., Ic. Fil., 

 tab. XCIII. 



Rhizome wide-creeping, slender, rather filiform, branched, densely clothed 

 with pale-ferpugineous, linear-subulate, hair-pointed scales, peltate at the base. 

 Fronds scattered, dimorphous. Barren fronds short-slalked or subsessile, or- 

 bicular, oblong, rhomboidal or spathulate, ± 1 — 2 c.M. long, + V2 — 1 c M. 

 broad, mostly broadest at or above the middle, the apex rounded, the base 

 cuneate or rounded. Texture very thick; upper surface often soon naked, 

 lower clothed with dense but adpressed, moderately woolly, brownish tomen- 

 tum ; veins quite hidden. Fertile fronds linear or ligulate, 2 — 15 c.M. long, 



