﻿93. OPHIOGLOSSUM % 2. OPHIODERMA. 777 



Fronds erect, 10 — 20 c.M. long, the flattened slipe passing gradually into 

 the leafy part, which is ± 1 c.M. broad not far from the apex. Texture 

 fleshy; veins indistinct. Fertile spike 3^4 c.M. long, on a peduncle 3 — 4 

 c.M. long. 



Java, Borneo, Mindoro, New Guinea. 



* (15) O. peucllilum, .t., Rac, Flor. Biz, I, 3; Prantl, Ophiogl , 

 351; Hk. & Grex., Ic. Fil., tab. XIX; Bedd., Ferns S.I., tab. CCLXIX; Hk., 

 Gard. Ferns, tab. XXXIII. 



Fronds 1 — 3, pendulous, 30 — 150 c.M. long, the short, terete stipe pas- 

 sing gradually into the leafy part, which is 272 — 77-2 *^-^^- bi'oad, simple, 

 forked or dichotomous. Texture fleshy or coriaceous; veins indistinct. Fer- 

 tile spike S — 20 c.M. long, on a peduncle shorter than itself. 



Trop. Asia, Australia J^ Polynesia. 



94. HELMIIVTOST^^^CHYS, MaiMlfuss. 



Capsules in crested clusters spreading in all directions, forming a long, 

 loose spike (fertile segment). 



Rhizome thick, creeping. Fronds scattered, erect. Each frond with a 

 barren and a fertile segment, placed on the same stipe; the fertile segment 

 simple or rarely double or triple, opposite to the barren one and arising 

 from its base; barren segment digitate or pinnatiparlite ; veins free; costae 

 distinct. Hk. Bk., Syn. Fil, tab. IX, flg. 74; Diels, in Engl. & Prantl, Nat. 

 Pfl.Fam. P, fig. 260, F. 



Tropical Asia and Australia. 



« U. zeylanica, Jrie., Rac, Flor. Biz., I, 4; Hk., Gard. Ferns, tab. 

 XXVni; Bedd., Ferns S.I., tab. LXIX; Hk., ^'"i Cent, of Ferns, tab. XCIV; 

 H. dulcis, Klf., Enum., 28, tab. I, fig 1 ; Osmunda zeylanica, L., (oldest name). 



Stipes erect, 15—50 c.M. long. Barren segment digitate with commonly 

 5 primary divisions. Primary divisions stalked and forked or pinnate. Ulti- 

 mate segments 7—15 c.M. long, 2—4 c.M. broad, lanceolate, acute or acumi- 

 nate, the edge entire or slightly toothed, the base + cuneate. Fertile spike 

 7 — 20 c.M. long, on a peduncle of about the same length. 



Trop. Asia ^ Australia, New Caledonia. 



