﻿66. SYWGRAMMA. § S. DICTTOGRAMME. S45 



$.$. Fronds pinnate, sometimes 2-pinnate at the base. 



+. Pinnae short, herbaceous, unequal-sided at the base. Sori free. 



(13) S. Boerlageana. 



+.+. Pinnae long, rather coriaceous, narrowed gradually al the base. Sori 



often confluent. (14) S. pinnata. 



(11) S. laneeolata, Bids (not J. Sm.), in Engl. & Prantl, Nat. 

 Pfl.Pam. I*, 257; Hemionitis laneeolata, Hk., Hk. Bk., Syn. Pil., 398; Hk., 2""^ 

 Cent, of Ferns, tab. LV; S. Hooken, C. Chr , Ind. Fil. 



Rhizome short, ascending. Stipes 15 — 25 c.M. long, firm, erect, brown, 

 naked, glossy. Fronds 15 — 25 c.M. long, 372 — 6 '4 c.M. broad, ovate or 

 oblong-lanceolate, the point acute, the edge entire or repand, the base nar- 

 rowed. Texture coriaceous: surfaces naked; midrib distinct; areolae copious, 

 elongate, oblique. Sori copiously reticulate. 



New Guinea; Fiji. 



(12) S. Hosei, niels, in Engl, k Prantl, Nat. Pll.Fam., P, 257; 

 Hemionitis Hosei, Bk., Journ. of Bot., XXIX, 108. 



Rhizome stout, short-creeping. Stipes naked, glossy, castaneous, 15 — 30 

 c M. long. Fronds simple, lanceolate, + 30 c.M. long, 3^2 — ^ c.M. broad at 

 the middle, more or less rounded at the base. Texture subcoriaceous ; sur- 

 faces naked; veins fine, distinct, erecto-patent, anastomosing in the barren 

 fronds mainly in the outer '/s' ^but in the rather narrower fertile fronds, in 

 which the slender sori are confined to a band + ^2 c.M. broad remote from 

 both midrib and edge, they anastomose copiously. 



Borneo. 



* (15) S. Boerlageana, v. a. ». n.. Bull. D6p. Agr. I. N., i908, 

 XVIII, 19, tab. Ill (the paraphyses not quite correct). 



Stipes tufted, naked, + 15 — 25 cM. long, firm, erect. Fronds pinnate, 

 + 10—15 c.M. long, triangular, G— 12 c.M. broad. Terminal pinna + 3—6 

 c.M. long, simple, lanceolate or more commonly hastate, 1 ^2 — 4 c M. broad, 

 narrowed gradually towards the bluntish apex, the base broadly cuueate, the 

 lateral lobes spreading, deltoid, blunt; lateral pinnae in 3 — 5 pairs, the lowest 

 the largest, 1 ^2 — '^% c.M. broad, spreading, unequal-sided, the upper base broadly 

 cuneate, truncate or cordate, the lower more narrowly cuneate, the apex gradu- 

 ally narrowed, blunt, the edge slightly irregularly wavy ; higher pinnae ereclo- 



FlLIGGS. 3S 



