^83 



Se. OYIiTOMIUM:, Presl. 



Sori round, terminal on the included free veinlets. Indusium round, 

 peltate. 



Rhizome erect. Stipes not articulate to the rhizome. Fronds pinnate 

 with the pinnae whether or not + auricled at the base, the hase + rounded ; 

 veins pinnate from a central costa, angularly anastomosing, forming + hexa- 

 gonal areolae within which are 1 — 3 included, excurrent free veinlets. Bedd., 

 Handb. Ind. Ferns, fig. j 106. (Polystichum p. p., C. Chr., Ind. Pil.). 



Asia and Africa. 



* O. falcatuin, Pf., Bedd., Handb. Ind. Ferns, 211; Aspidium 

 falcaium, Sw., Hk. Bk., Syn. Fil., 257; Hk., Fil. Exot., tab. XCII; Polystichum 

 falcalum, Diels, in Engl. & Prantl, Nat. Pfl.Fam., I*, 194; 4]. Chr., Ind. Fil.; 

 — var. caryotideum, Bedd., Handb. Ind. Ferns, 211; C. caryotideum, Pr., 

 Tent. Pterid., 86; Bau. & Hk., Gen. Fil., tab. XLIX, C; Bedd. Ferns S.I., 

 tab. CXIX; A. caryotideum, WalL, Hk., Gard. Ferns, tab. XIH; Hk. k Grev., 

 Ic. Pil., tab. LXIX. 



Rhizome short, erect, clothed like the hase of the stipes with large, 

 dark-coloured scales. Stipes tufted, 15 — 30 c.M. long. Fronds 30 — 60 c.M. 

 long, 15 — 25 c.M. broad, ovate. Pinnae + 10-12 on each side, ovate-acu- 

 minate, subfalcate, + erecto-patent, 10 — 15 c.M. long, 2^2 — 5 c.M. broad, 

 the point acuminate, the edge entire or slightly undulate, the upper base 

 suddenly narrowed or broadly rounded, sometimes auricled, the lower base 

 narrower. Texture coriaceous; surfaces naked. Sori copious, scattered. 



War. caryotideum: Pinnae sharply toothed, slightly lobed, some- 

 times auricled on 1 or on both sides at the base. 



Malaya; Ceylon, Br. India, China, Japan, Sandwich Islands, South. Africa, 

 Madagascar. 



