﻿702 74. DRYOSTACHYtJM. 



Var. pilosuin: Upper surface of the fertile pinnae covered with 

 brown, hairy, elliptical patches corresponding with the receptacles of the sori. 

 Capsules crowned with ± 6 bristles. 



Malaya; — var. pilosum: Philippines. 



•rS. DltYMOGLOSSXJM:, JPre*I. 



Sori long, linear, 1 on each side, parallel to the costa, continuous or in- 

 terrupted. No indusium. 



Rhizome creeping. Stipes articulate to the rhizome. Fronds dimorphous, 

 simple, entire; veins anastomosing. Hk. Bk., Syn. Fil., tab. VI, fig. 58; 

 Diels, in Engl. & Prantl, Nat. Pfl.Fam., I'*, fig. 160. 



Tropical and extra-tropical. 



§. Rhizome scales lanceolate, rhomboidal or ovate, toothed, fimbriate or laci- 

 niate. 



•J". Sori nearer the midrib than the edge. (1) D. carnosum. 



•J-.-J". Sori nearer the edge than the midrib, often submarginal. 



(2) D. heterophyllum. 

 §.§. Rhizome scales subulate, entire. 



X. Barren fronds under 4 c.M. long; fertile fronds long-stalked. 



(5) D. rigidum. 

 X-x. Barren fronds + 8 c.M. long; fertile fronds not long-stalked. 



(4) D. novo-guineae. 



* (1) D. carnosum, J. Sm. (not Hk.), Hk. Bk , Syn. Fil., 397 

 (excl. var.); Bau. & Hk., Gen. Fil., tab. LXXVHI, A; Bedd., Ferns Br.L, I, 

 tab. LV; Diels, in Engl, k Prantl, Nat. Pfl.Fam., I*, fig. 160; Nothochlaena 

 carnosa. Wall., (oldest name). 



Rhizome creeping, long, filiform, clothed with peltate, lanceolate, toothed 

 scales. Barren fronds S — 6 c.M. long, on stipes 1 — 272 c.M. long, lance- 

 olate-oblong, rather obtuse or subacute. Texture coriaceous, thick and fleshy; 

 areolae with free veinlets. Fertile fronds linear-spathulate, ± 5 — 8 c.M. long, 

 ± 6 m.M. broad, subacute, narrowed at the base, on stipes 3— 4'/2 c.M. 

 long, Sori linear, continuous, forming a line nearer the midrib than the 



