234 25. ASPiDiuH. 



sinus, very rarely oblong and attached by a short, longitudinal axis, opening 

 all round the edge or nearly so. 



Rhizome creeping or erect. Stipes not articulate to the rhizome. Fronds 

 uniform or nearly so, often inclined to a triangular shape, simple or divided, 

 if divided the lowest pinnae often inclined to a stronger development of the 

 basiscopic side; texture often herbaceous; veins anastomosing ± copiously 

 and irregulai-ly ; areolae with or without included, free veinlets. 



Pantropical. 



Arrangement of the sections. 



§ 1. TECTARIA {Eu-aspidium). Indusium round, peltate. Hk. Bk., Syn. Fil., 



tab. V, fig. 43, d; Diels, in Engl. & Pranll, Nat. Pfl.Fam., I*, fig. 96, 



G— D. 

 § 2. SAGENIA. Indusium reniform and attached at the top of the sinus, 



very rarely oblong and attached by a short, longitudinal axis. Diels, 1. c, 



fig. 97, A— C. 



§ 1. TECTARIA (»). 



a. Fronds simple (*). (1) A. singaporianum. 



a.a. Fronds palmately 3 — 5-fid. 



jK. Segments lanceolate. (2) A. tricuspe. 



>tc.^. Segments triangular. (3) A. platanifolium. 



a.a.a. Fronds ternafe, or pinnate to 3-pinnatifid. 



6. Sori arranged along the margin of the ultimate segments. 



(4^ A. calcareum. 

 6.6. Sori scattered irregularly ('). 



S. Stipe and rachis glossy, ebeneous. (5) A. angulatum. 



$.$. Stipe and rachis minutely pubescent. (6a) A. Kiinstleri. 



6.6.6. Sori in rows between the main veins or costulae (*). 

 c. Fronds under 55 c.M. long. 



d. Lowest pinnae simple or forked. 

 e. Sori dorsal on the veinlets. 



(*] See also under A. coadanatum, Wall. 

 (') See also A. angnlatam, J. Sm. 



(') See also A. innltlcaudatam & polymorphum. Wall., & A. oUgophyl- 

 Inm, Rst. 



