﻿568 71. POLYPODIOM. 



§ 3. GONIOPHLEBIUM. Veins forming 1 or more rows of regular areolae ± 

 as in Nephrodium, each with a simple or rarely forked, included, excur- 

 rent free veinlet. Sori terminal on the included veinlets, commonly in 

 the costal areolae only. Hk. Bk., 1. c, fig. 48, h; Dielsl. c. fig. 163, B &D. 

 a. Crypsiiitis. Fronds simple. (Not in Malaya). 

 h. SyiiamBtiia. Fronds pinnalifid. (Not in Malaya). 

 c. llarginaria,. Fronds pinnate; pinnae broadly adnate to the 



rachis. 

 «f. ^cliellolepiis [Schellopsis). Fronds pinnate; at least the lower 



pinnae + stalked, or sessile with a cuneate to truncate, not adnate 



base. 

 § 4. PHLEBODIUM. Veins forming more or less regular areolae, each with 

 1 — 3 included, excurrent free veinlets, which bear the sori on their 

 united tips; costal areolae always destitute of free veinlets and sori. 

 Hk. Bk., 1. c, fig. 48, g; Diels, 1. c, fig. 163, F & G. (Not in Malaya). 

 § S. CAMPYLONEURON. Main vains connected by parallel, straight or curved, 

 transverse veinlets forming regular, subquadrangular areolae, each with 

 commonly 2 or more included, excurrent free veinlets. Sori subterminal 

 on the free veinlets, 1 to each. Hk. Bk., 1. c, fig. 48, j; Diels, 1. c, 

 fig. 163, H. (Not in Malaya). 

 § 6. PLEOPELTIS. Veins anastomosing commonly more or less copiously, 

 forming several to numerous, mostly more or less irregular areolae; in- 

 cluded free veinlets (if present) directed towards the midrib or more ge- 

 nerally spreading in various directions, rarely excurrent but then not as 

 in § 5. Sori round or oblong, very rarely more than 5 X ^s long as 

 broad. Hk. Bk., 1. c, fig. 48, m.; Diels, 1. c, fig. 164, B & E. (*) 



a. liyriuecopliila. Rhizome inflated, + cylindrical or tuberous, 

 soon cavernous and inhabited by ants, the scales peltato-orbicular or 

 wanting. Fronds rarely simple, commonly pinnatifid or pinnate. 



^. Aspldopodlum. Sori not on marginal tooth- or lobe-like out- 

 growths. Rhizome-scales present. Diels, 1. c, fig. 166, D — E. 



^^. Liecanopterls. Sori on marginal tooth- or lobe-like outgrowths. 

 Rhizome scales wanting. Diels, 1. c, fig. 169. 



b. Afactosia. Rhizome not as in «. Rhizome scales very rarely 

 roundish or wanting, generally oval, oblong, ovate, lanceolate, linear 

 or subulate. Fronds simple. 



(*) This section would perliaps better be treated as a distinct genus. 



