﻿30. SCmZOLOMA. § 1. ISOLOMA. 279 



Rhizome creeping, ferrugineous, with scale-like hairs. Stipes wiry, erect, 

 13 — 50 c.M. long and as well as the rachis dark-coloured, glossy. Fronds 

 15 — 50 c.M. long, with a terminal pinna and 6 — 9 pairs of similar lateral 

 ones. Pinnae 3'/2 — 10 c.M. long, % — 1 c.M. broad, distant, erecto-patenl, 

 gradually narrowing from a cuueale base towards the bluntish or acute apex, 

 the highest ones sometimes confluent with the terminal. Texture coriaceous; 

 rachis naked; veins numerous, very oblique. Sori in a continuous line along 

 both edges. 



Borneo, Banca, Sumatra; Ceylon. 



a 



a 



% % EUSCHIZOLOMA. 



Fronds dimorphous, simple, forked or ternale. 



^. Barren fronds cordate-oblong, simple. (7) S. cordatum. 



if..if. Barren fronds deltoid, 3-partite. (8) S. Irilobatum. 



.a. Fronds uniform, pinnate, rarely simple or 2 — 3 X pinnate. 

 b. Pinnae simple, spreading or falcate, i — 2 c.M. long. 



(9) S. Guerinianum. 

 h.h. Pinnae erecto-patent, S^j^ — 15 c.M. long or longer. 

 c. Pinnae simple, linear or lanceolate, acuminate. 



d. Fronds approximate, thin-herbaceous. (10) S. ensifolium. 



d.d. Fronds distant, subcoriaceous. (11) S. coriaceum. 



Pinnae varying from simple to irregularly 2-pinnale. Leaflets se- 

 miorbicular, triangular, trapezoidal or cuneate-obovale, blunt or 

 blunlish. (12) S. heterophyllum. 



c.e. 



« (7) S. cordatum. Gaud., Bedd., Handb. Ind. Ferns, 79; Ferns 

 Br.I., II, tab. CGIC ; Lindsay a cordata. Gaud., Hk. Bk., Syn. Fil., 111. 



Rhizome short-creeping. Stipes 7 — 20 c.M. long, slender, erect, wiry. 

 Fronds dimorphous. Barren fronds 3^2 — 7'/2 c.M. long, S'/^— 4 c.M. broad, 

 cordate-oblong, quite entire, fertile ones 7— 1 5 c.M. long, linear, simple, 

 forked or tripartite. Texture coriaceous. Sori in a continuous line along the 

 margin. 



Malaya. 



