﻿71. POLYPODIUM. % 6. PLEOPELTIS. C*^. PHYMATODES. 667 



Vai*. batjancnise: Fronds smaller; lobes abbreviate; texture firmer ; 

 sori hardly immersed. 



Malaya; Polynesia; — var. batjanense: Baljan Island. 



% 6. PLEOPELTIS. c. Chrysopteriis. **. Phymatopsis. 



a. Fronds dimorphous. (213) P. lagunense. 



a.a. Fronds uniform. 



h. Sori deeply immersed. 



*. Pinnae acute. (*214) P. sculpturatum. 



i^.if:. Pinnae obtuse. (215) P. Sauvinieri. 



b.b. Sori superficial or shallowly immersed. 



c. Upper surface covered ivith siihmarginal or scatt&^ed while dots. 

 d. Pinnae under 1 c.M. broad; veins hidden; surfaces pale-green. 



(216) P. subacpiatile. 

 d.d. Pinnae i — % c.M. broad or narrower, but then the veins dis- 

 tinct; upper surface bright-green. (217) P. albidosquamatuin. 

 C.C. Upper surface without white dots. 



f. Pinnae diktat o-adnate at the base. (218) P. Moseleyi. 



•$♦.•{•. At least the lowest pinnae narrowed at the base and not ra- 

 •rely + stalked. 



if. Sori superficial. (219a) P. palmatum. 



*.*. Sori slightly immersed. (2196) P. proteus. 



(213) P. lagunense, Christ, Bull. Herb. Boiss., VI, 201, tab. Ill, 

 fig. 4, a— d. 



Rhizome wide-creeping, the scales dense, ovate, acute at the apex, umboiiate 

 towards the base, adpressed, reddish-brown, leaving behind roundish, promi- 

 nent cicatrices when they fall. Stipes scattered, naked, firm, 10— IS c.M. 

 long. Fronds dimorphous, IS — 20 c.M. long, pinnate. Barren fronds with 

 6 — 7 pinnae on each side below the pinnatifid apex. Pinnae distant, ovale, 

 ± 4 c.M. long, + 2 c.M. broad, sessile or short-stalked, the base narrowed, 

 the edge crenate or slightly toothed, the apex acute or elongated into a long, 

 serrate, linear cauda. Surfaces naked; costae conspicuous; main Veius less 

 distinct, reaching the edge; areolae indistinct. Fertile fronds with the pinnae 

 linear-lanceolate or ligulate, + 12 c.M. long, 3 — 10 m.M. broad, erecto-patent, 



