440 



VTLi. osm:xj]vi>a.cjeia:e. 



§ 1. PLENASIUM. 



(1) 0. javanica, Bl. is construed as including 3 distinct forms: 0. ja- 

 vanica, Bl.; 0. banksiifolia, Kuhn; 0. bromeliifolia, Copel. 



(la) O. Javanica, Bl.} Bedd., Ferns S.I., tab. LXXVII; Kze, 

 Farnkr., II, tab. CXI; C. Clir. Ind. Fil. 



Barren pinnae 2 — 3 cm. broad, acuminate, cuneate at the base, entire, 

 repand or sinuate, on stalks 1 cm. long or longer; veins repeatedly 

 forked. 



Malaya. 



(16) O. banksiifolia, Mtuhn, in Ann. Mus. Bot. L. B., IV, 

 299 ; C. Chr., Ind. Fil. ; Nephrodium banksiae folium, Pr., Rel. Haenk., I, 84. 



Near 0. javanica Bl. — Barren pinnae short-stalked, + 2 cm. broad, 

 acuminate, acute at the base, coarsely lobate-serrate, the teeth + 2 — 6 

 mm. deep; veins pinnate, the veinlets often forked. 



Moluccas, Celebes, Philippines; South China, Japan, Kamtchatka. 



(Ic) O. bromeliifolia, Copeh, in Philipp. Journ., 11*^, 147 ; C. Chr., 

 Ind. Fil., Suppl. ; 0. banksiifolia, Kuhn, var., C. Chr., Ind. Fil. ; 0. Presliana, 

 J. Sm., Diels, in Engl. & Prantl, Nat. Pfl.fam., P, ^g.20h A; 0. Zeylanica, 

 Kze, Farnkr., 11, tab. CXXII; Nephrodium bromeliaefolium, Pr., Rel. 

 Haenk., I, 33. 



Near 0. javanica Bl. — Barren pinnae ± 7 — 9 mm. broad, on stalks 

 1 cm. long or longer, long-acuminate, decurrent at the base, serrate, the 

 teeth + '/j — 1 mm. deep; veins pinnate, the veinlets often simple. 



Luzon., Mindoro. 



SO. LEPTOFTEIMS, PresL 



(2) 1j. alpina, C. Chf.; — var. major, Rst., in Fed., Rep., X, 842. 

 War. major: Fronds larger; pinnae broader; lowest ultimate 

 segments forked. — New Guinea. 



