﻿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) I>. pai*ien§>, C. CUr., 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 librils like the rachis. Fronds ± 50 

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

 rounded at the base; lateral pinnae + 11 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. 



Philippines. 



* (55) ». proliferiiiii, Thouars, Flor. Trist. d' Ac, 35 ; D. decus- 

 salum, ChrisI, Farnkr. d. Erde, 221 ; Callipteris prolifem, Bonj, Copel., Polypod. 

 Philipp., 70; Asplenium decussalum, Siv., Rac, Flor. Btz., 1,^01; A. prolifenmi, 

 Lam., (oldest name); — var. robustuni; Digrammaria robusta. Fee, Gen., 218; 

 — var. accedens; Dipl. accedens, Bl , Enum., 192; A. spinulosum, Melt., Farng., 

 VI, Aspl., 172 (not Ann. Mus. Bot. 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 + '/s o'' 

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

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



War. robuistuui: 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 spinulose throughout. 



Africa to Polynesia and Australia. 



