APPENDIX. 22. DhtOPTEWS. 815 



long, nearly as broad, pinnate, the apex lobed. Pinnae ± 10, approximate, 

 lowest largest, petiolulate, ± 8 c.M. long, ± S'/j c.M. broad, oblong, obtuse, 

 deeply pinnatifid, higher coarsely lobed. Lobes 8—10, ovate-rhomboidal, ob- 

 tuse, lowest largest, ± 2 c.M. long, + 1 c.M. broad, coarsely and irregular- 

 ly crenato-serrulate. Texture subcoriaceous ; colour pale-green, opaque; rachis 

 and surfaces naked; veins pinnate and forked in the lobes. Fertile fronds 

 + 10 c.M. long, + 7 c.M. broad, pinnate; pinnae ± 8 on each side, dis- 

 tant, the segments rhomboidal, obtuse, equal, subentire, + 1 c.M. long, ± 

 '/j c.M. broad. Sori submarginal, close, + 4 on each side in the lobes; 

 indusium pale, bullate, subpersistent. 

 Lusoti. 



* (5S) D. syrmatica, O. Ktee. — Insert as a variaty : var. 

 petiolosa, Christ, Philipp. Journ., II, 210. 



War. petiolosa: Pinnae long-slalked, + 16 c.M. long, ± S'/^ c.M. 

 broad, on stalks 1 c.M. or more long. Sori medial, minute; indusium grey. 

 — Luzon, Mindanao. 



(.3Sa) O. Metteniana, Miet-., Christ, Philipp. Journ., II, 210. 



Near D. syrmatica, 0. Ktze, but the pinnae cut to '/a'^^Y down to the 

 costa, to 4 c.M. broad or broader, the lowest pinnae 2-piQnatilid, conspicuous- 

 ly produced on the lower side, with the lowest posterior segment deflexed 

 and deeply lobed. Lobes serrato-crenate, subacute. Texture thinly membra- 

 naceous; veins 2 — 5-furcate. Sori medial, minute; indusium rudimentary. 

 1 Philippines, Celebes. 



(36) M. erythrosora, o. wume. — Insert as a synonym : Aspidium 

 erylhrosorum, Eat., (oldest name). 



* (40) D. flaceida, O. Ktme. — Insert as a synonym: Laslraea 

 flaceida, Moore, Bedd., Perns S.I., tab. CCL. 



* (44) D. tsparsa, O. Ktxe. — Insert as a synonym: Polypodium 



sparsiim, Ham., (oldest name). 



I 



(44a) ». rizalensis, Christ, Bull. Herb. Boiss., 2« S^rie, VI, 1001 ; 

 ? Philipp. Journ., II, 216. 



Rhizome short. Stipes tufted, to ± 40 c.M. long, slender, stramineous, 



