257 

 S3, jyLE'I^A.ZlJJlM, Stcat-fit!. 



§ 1. EUDIPLAZIUM. 



(1) O. scrratum, Moore.} Athyrium snbserrattim, Milde., Copel.j 

 in Philipp. Journ., VIIF, 142. 

 Also in Borneo. 



(la) n. laneeiini, JPv., Bedd., Handb. Ind. Ferns, 174; Ferns S^ 

 I., tab. CCXXVII; Asplenmm lanceum, Thb., Hk. Bk., Syn. Fil., 229; 

 Mett., Farng., VI, Aspl., 161; Athyrium lanceum, Milde, Copel, in Philipp. 

 Journ., VIP, 55. 



Rhizome creeping, clothed with dark, nearly blackish scales. Stipes 

 remote, 5 — 15 cm. long, more or less paleaceous with deciduous, blackish 

 scales. Fronds linear-lanceolate, + 10—25 cm. long, l'/4 — 3 cm. broad, 

 narrowed gradually towards both ends, acuminate at the apex but the 

 point often bluntish, cuneate or rounded at the base, revolute and entire 

 or repand at the edge. Texture thin-papyraceous to thick-coriaceous; 

 surfaces naked ; costa rather prominent beneath ; veins spreading, sparingly 

 pinnate er dichotomous. Sori linear, not reaching margin and costa, often 

 double, occupying mostly the lowest anterior veinlets; indusium firm, 

 persistent. 



Luzon; Formosa, Japan, China, Br. India, Ceylon. 



(2a) O. Merrilli, Copel.; Athyrium Merrilli, Copel., in Philipp. 

 Journ., Iljc, 300. 



(26) i5. zeylaniciiiM, Moore; Athyrium zeylanicum, Milde, Copel., 

 in Philipp. Journ., IIP, 300. 



(3) 15. pttrpliyg'oracSais, Jiiels; Athyrium porphyrorachis, Copel., 

 in Phihpp. Journ., IIF, 300. 



Stipe and rachis (costa) purple-black; fronds acuminate, the acumen 

 serrate; lowest segments not auricle-like; sori fuscous. 



(3a) 15. |ioi*|)Iiyrolepiuiu, v. A. v. K., in Bull. Btz., 1915, XX, 11. 



Stipes short, like the rachis (costa) pale-brown and provided with 



numerous purple-black, subulate scales. Fronds lanceolate, + 25 cm. 



long, + 2^/4 — 3 cm. broad, pinnatifld + '/4-way down to the costa, 



Feens and Fern Allies. 17 



