71. POLYPODIUM. § 6. TLEOPELTIS. C*. PHVMATODES. 667 



War. batjaneiiise: Fronds smaller; lobes abbreviate; texture firmer ; 

 sori hardly immersed. 



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



§ 6. PLEOPELTIS. c. Chrysoptcris. **. Phymatopsis. 



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



a.a. Fronds uniform. 



h. Sori deeply immersed. 



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



*.:>tc. Pinnae obtuse. (215) P- Sauvinieri. 



h.h. Sori superficial or shallowly immersed. 



c. Upper surface covered with suhmarginal or scatt&ed white dots. 

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



(216) P. subaquatile. 

 d.d. Pinnae i — 2 c.M. broad or narrower, but then the veins dis- 

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

 C.C. Upper surface without white dots. 



f. Pinnae dilatato-adnate at the base. (218) P. Moseleyi. ■ 



•{•••J-. At least the lowest pinnae narrowed at the base and not rar 

 rely + stalked. 



:^. Sori superficial. (219a) P. palmatum. 



;tc.;(c- Sori slightly immersed. (2196) P. proteus. 



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

 fig. 4, a— d. 



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

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

 nent cicatrices when they fall. Stipes scattered, naked, firm, 10—15 c.M. 

 long. Fronds dimorphous, 13 — 20 c.M. long, pinnate. Barren fronds with 

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

 ± 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, 



