VI. POLYPODIACEAE. § 11. ACROSTICHEAE. 125 



S.2., 2.9.2. Etc. 



a., a.a. Etc. 

 n.a.u. Etc. 



S Etc. 

 $S Etc. 



* Paraphyses present, linear, thickened at the 

 apex; spores globoso-tetrahedral. 



No. 866. PlatyCaenia. 

 »• Paraphyses wanting, if present, then not as 

 in », or the spores oblong, ovate or 2-lateral. 

 - -J- Fronds simple, if divided, the leaflets not 

 articulate to the rachis. 



No. 86a. L<eptocliilus. 



ff Fronds divided, the leaflets articulate to the 



rachis. No. 86c. Lioniagrainina. 



13«. F»E;R,^k.JNl£J\l.A., Ifon. 



Sori globose, dorsal on a vein or veinlet, stalked. Indusium inferior, 

 rather globose, at first entire and enclosing the whole sorus (except the 

 stalk\ al length bursting into 2 more or less irregular valves. Capsules 

 stalked. Otherwise like Diacalpe. — Hk. Bk., Syn. Fil., tab. I, fig. 12 

 (SphaeropterisJ; Diels, in Engl. & Prantl, Nat. Pfl.fam., I", fig. 87 E-H. 



Br. India, Philippines. 



(1) ■■. luxouica, Copel., in Philipp. Journ., IV°, HI. 



Stipes + 30 cm. long, scaly, the scales brown, the largest ones 

 lanceolate-ovate, very apiculate. Fronds up to 60 cm. long, narrowly 

 deltoid, 4-pinnatifid. Pinnulae stalked, lanceolate-oblong, obtuse, to 7 cm. 

 long. Tertiary segments obtuse, oblong, the largest short-stalked, + 1'/^ 

 cm. long, pinnatifld nearly to the costa. Texture coriaceous; rachises 

 scaly; surfaces pubescent. Sori often oblate; indusium glaucous, 

 irregularly incised; spores tuberculate. 



Luzon. 



