﻿296 33. ACKOPHORUS. 



at the base ; lower pinnulae ± 2 — 5 c.M. broad, with the segmenls cut down 

 nearly or quite to the rachis into oblong, blunt, entire or toothed lobes + 

 3 m.M. long, + l'/2 m.M. broad, ± narrowed at the base. Texture herba- 

 ceous ; surfaces sparingly hairy ; rachises scaly at the base of the divisions. 

 Sori small, solitary and medial in the ultimate lobes. 



Var. alpinusi: Fronds small, 10 — 15 c.M. long. Stipes clothed with 

 spreading, acuminate scales. 



Malaya; North. India; — var. alpina: Celebes. 



34. I>.A.VA.LLlJ^, Smith. 



Sori roundish or oblong, submarginal, solitary and terminal on the veins 

 or veinlets; indusium + half-cupshaped or semicylindrical, attached at the 

 base and sides, opening outwardly. 



Rhizome scaly, short or creeping, the scales not minute. Stipes articulate 

 to the rhizome. Fronds variously divided; veins free; soriferous veinlets 

 sometimes very short and then the sori appearantly medial on the veins. 



Tropical and subtropical in the old world. 



Arrangemenl of the sections. 



% 1. SCYPHULARIA. Fronds pinnate with 1 — 4 linear, undivided pinnae on- 

 each side below the terminal one. Diels, in Engl. Sc Prantl, Nat. Pfl. 

 Fam., l\ fig. 115, J. 



§ 2. COLPOSORIA. Fronds at least 2-pinnati(id with small, ultimate segments. 

 Diels, 1. c, fig. 115, K. 



§ 1. SCYPHULARIA. 



^. Fronds 3-foliale. (1) I), triphylla. 



;)c.>K. Fronds 5 — 9- foliate. (2) D. pentaphylla. 



