﻿APPENDIX. 22. DRYOPTERIS. 81 B 



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

 lowest largest, petiolulate, + 8 c.M. long, + 3'/2 c-M. broad, oblong, obtuse, 

 deeply pinnatifid, higher coarsely lobed. Lobes 8 — 10, ovate-rhoraboidal, 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, + 

 Vi c.M. broad. Sori submarginal, close, ± 4 on each side in the lobes; 

 indusiura pale, buUate, subpersistent. 

 Luzon. 



* (35) D. syrmatica, O. tUxe. — Insert as a variaty : var. 

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



War. petiolosa: Pinnae long-stalked, + 16 c.M. long, + o'/^ c.M. 

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

 — Luzon, Mindanao. 



(3.5a) D. Metteniana, Mier., Christ, Philipp. Journ., II, 210. 



Near D. syrmatica, 0. K(ze, but the pinnae cul to V2"W^y down to the 

 costa, to 4 c.M. broad or broader, the lowest pinnae 2-pinnatilid, 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 — 3-furcate. Sori medial, minute; indusium rudimentary. 



Luzon, Mindanao, Celebes. 



(56) li. eryilirOfiOra, O. Kt»e. — Insert as a synonym : Aspidium 

 erylhrosorum, Eat., (oldest name). 



* (40) D. flaceida, O. Htxe. — Insert as a synonym : Lastraea 

 flaccida, Moore, Bedd., Ferns S.I., tab. CCL. 



* (44) U. sparsa, O. Ktxe. — Insert as a synonym: Polypodium 

 sparsum. Ham., (oldest name). 



(44a) D. rizalensiis, Christ, Bull. Herb. Boiss., 2" S^rie, VI, 1001 ; 

 ? Philipp. Journ., II, 216. 



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



