502 . APPENDIX. 22. DRYOPTERIS. 



apes, the higher confluent or connected by a narrow wing, the lowest 

 sometimes free. Texture subcoriaceous or coriaceous; costae copiously 

 fibrillose-setose above, squamulose beneath, the squamules lanceolate, 

 long-acuminate, pale-ferrugineous, intermixed with much smaller ones of 

 the same shape; costulae and veins sparingly fibrilloso-setulose above, 

 naked or sparingly appresso-pilose beneath ; veins to + 4 on a side, 

 forked, the higher or highest simple. Sori medial, on the anterior 

 veinlets; indusium pale-ferrugineous. — See Copeland's information in 

 Philipp. Journ., VIIF, 140. 

 Java. 



(31fl) D. subsagenioides, v. A. v. R. (not Christ). 



Omit this name, it should be D. Vangenderenstortii v. A. v. R. 



(31a) D. Wan;a;eiidei*ciisAoi*tii, v. A. ». JR., in Bull. Btz., 1916, 

 XXIII, 11; D. subsagenioides, (not Christ), v. A. v. R., in Bull. Btz., 

 1913, XI, 9. 



(34) D. fllix mas, Schott. 



This species is construed as including two distinct forms: D. filix 

 mas Schott and D. cochleata C. Ghr. 



(34*) SS. Oils, luas, Svhott; — var. patentissima; var. parallelo 

 gramma, v. A. v. R., Mai. Ferns, 192 — 193; A. patentissimum, Wall. 

 List, No. 340; A. paleaceum, Don {not Bl.), Rac, Flov. Btz., 1,171 (not A. ad 

 natum, Bl., Enum., 162); A. filix mas, Sw., var. paleaceum, Moore, Mett. 

 Farng., IV, Phegop. & Aspid., 55, p. p. ; Nephrodium filix mas. Rich., var 

 fibrillosa, Clarke, in Trans. Linn. Soc, Bot., 2nd Ser., I, 520, tab. 70; — 

 var. marginata, Clarke, 1. c, 521. 



Stipe and rachis paleaceous, the scales lanceolate or subulate, pale- 

 brown to blackish ; fronds uniform, ovate-lanceolate or oblong, costae more 

 or less squamulose or at length naked ; surfaces naked or the under sur- 

 face more or less piloso-paleacous; sori not covering the whole under 

 surface of the fertile segments; indusium entire. 



Forma typica: Stipe and rachis more or less scaly, the scales pale- 

 brown to brown; pinnae with the segments oblong, bluntly rounded at 

 the apex, naked beneath or slightly piloso-paleaceous. — Inhabiting nearly 

 the lohole northern hemisphere and the cool alpine regions of the tropics. 



Var. |iatentiisjsiina: Stipe and rachis densely scaly, the scales 



