424 53. DIPLAZIUM. § 2. anisogonium. 



narrowly cuneate, the edge entire, + revolute. Texture membranaceous. 

 Sori reaching from the midrib to the edge, parallel, dichotomous as in D. 

 cordifolium, Bl. 

 Banca. 



(54) D. pariens, C. Chr., Ind. Fil; Callipteris pariens, Copel., Po- 

 lypod. Philipp., 70. 



Rhizome strong, erect, black, clothed with lanceolate, dark-brown scales. 

 Stipes canaliculate, + 35 c.M. long, blackish and slightly scaly at the base, 

 above green and clothed with minute fibrils like the rachis. Fronds + 50 

 c.M. long, + 20 c.M. broad, pinnate. Terminal pinna ovate, acuminate, entire, 

 rounded at the base ; lateral pinnae + 1 1 on each side, similar to the termi- 

 nal one, those of the lower half of the frond larger, ± 10 c.M. long, + 4 

 c.M. broad, short-stalked. Texture subcoriaceous ; surfaces naked; veins 1 — 2 

 X forked, anastomosing, indistinct in the marginal Vs- Sori linear, straight, 

 occupying the lower ^/j of the veins. 



Phil^pines. 



* (55) D. proliferum, Thouat-s, Flor. Trist. d' Ac, 55 ; D. 

 satum, Christ, Farnki". d. Erde, 221 ; Callipteris prolifera, Bory, Copel., Polypod. 

 Philipp., 70; Asplenium decussalum, Sw., Rac, Flor. Btz., I, ^ol; A. proliferum. 

 Lam., (oldest name); — var. robustum; Digramimaria robusta. Fee, Gen., 218; 

 — var. accedens; Dipl, accedens, Bl , Enum., 192; A. spinulosum, Mett.,¥a.Tng., 

 VI, Aspl., 172 (not Ann. Mus. Rot. L. B., II, 237). 



Rhizome erect (or creeping after Christ), the scales long, lanceolate. 

 Stipes 30 — 60 c.M. long, strong, erect, scaly and slightly muricate at the 

 base. Fronds large, 60 — 250 c.M. long, the apex pinnatifid, and below this 

 many to numerous sessile pinnae. Pinnae 8 — 30 c.M. long, 2 — 6 c.M. broad, 

 the lower ones often stalked, the base truncate or subtruncate, the apex acute 

 or acuminate, the edge toothed, wavy or slightly lobed, the lobes blunt, + 

 toothed. Texture herbaceous to subcoriaceous; main veins uniting + V, or 

 less of the distance from the costa to the margin. Sori very regularly run- 

 ning along the veins, reaching + the edge, often copiously double. 



Var. robUjStnm: Pinnae 30—45 c.M. long, deeply lobed in the 

 upper part, in the lower cut down to the costa. 



War. accedens. Stipes muricate or spiuulose throughout. 



Africa to Polynesia and Australia, 



