﻿614 71. POLYPODIDM. .^ 2. PROSAPTIA. 



3. Base of frond crenate or repand. Sori 18 — 25 on the largest 

 lobes. (112a) P. cryptocarpum. 



3.3. Base of frond sinuate. Sori + 9 on the largest lobes. 



(1126) P. Toppingii. 



(108a) P. Schlechteri, v. a. v. ie.,« Prosaptia Schlechteri, Christ, 

 Schum. k Laut., Flor. deut. Sch.geb., SuppL, 41, tab. I, fig. B, c; Davallia 

 Schlechteri, C. Chr., Ind. Pil. 



Rhizome short. Fronds sessile, tufted, numerous, + 25 c.M. long, ± 

 */j c.M. broad, linear-ligulate, acuminate, narrowed at the base, the edge ro- 

 tundato-crenate in the lower, sharply toothed towards the fertile higher 

 part. Texture coriaceous, rigid; surfaces naked, upper bright-green, lower 

 ochraceous; costa immersed; veins oblique, hidden. Sori solitary on the teeth, 

 oblong, the depressions saccate, ovate, not scariose, consisting of the partially 

 reflexed margin of the lobes. 



New Guinea. 



* (1086) 1*. exaltatum, Copet.,M8. in Eerh. Bog.; Davallia exaltata, 

 Copel., Polypod. Philipp., 52; C. Chr., Ind. Fil. ; Acrosorus exaltatus, Copel., 

 Philipp. Journ., I, SuppL, 159, tab. XV. 



Rhizome short, ascending, the scales dense, linear, brown. Fronds sessile, 

 crowded, pendulous, 30 — 50 c.M. long, 5 — 9 m.M. broad, narrowed towards 

 the base, the lower ^/j part sterile, pinnatifid almost to the costa, the lower 

 segments reduced. Segments unequally triangular, oblique, the apex bluntish. 

 Texture coriaceous; surfaces naked, the lower densely covered with irre- 

 gularly scattered, black or dark-brown dots; veins hidden. Sori solitary, 

 deeply immersed in terminal, saccate, indusium-like depressions, which form 

 much prominent, laterally compressed projections on the upper surface. 



Mindanao (Copeland, No. 1478). 



(108c) P. tortile, V. JL. V. M.f Acrosorus Merrilli, Copel., Philipp. 

 Journ., II, 156. 



Differs from P. exaltatum, Copel., in the fronds being smaller, with nar- 

 rower sterile segments and more reduced and twisted fertile segments giving 

 the fertile apical part of the frond an appearance of distinctness wanting in 

 P. exaltatum, Copel. 



Mindoro. 



