﻿25. ASPIDIUM. § 1. TECTARIA. 239 



acuminate, slightly and bluntly sinuate, the base narrowed, the lowest stalked, 

 2-partite. Texture subcoriaceous ; main veins distinct to the edge; areolae 

 copious, with free veinlets. Sori large, in 2 rows betwen the main veins. — 

 Resembling A. pachyphyllum, Kze k polymorphum. Wall. (Bk.) 

 Malacca, Borneo, Philippines, New Guinea. 



% 2. SAGENIA C). 



±. Sori scattered irregularly. 

 9. Fronds pinnatifid. 



-)f. Stipes not winged. (11) A. Everetti. 



if.. if. Stipes long-ivinged. (12) A. vastum. 



3.2. Fronds simple or more generally pinnate, 3 — co- foliate. 

 3. Simple frond or terminal pinna entire or sinuate. 

 ■£. Fronds simple or 3-foliate. 



§. Stipes winged nearly to the base. (13) A pteropodum. 



$.$. Stipes not winged, or winged in the upper half only. 



•J*. Rhizome wide-creeping. (14) A. ternatum. 



•{•.•{•. Rhizome + erect. (15) A. subcaudatum. 



J.4. Fronds 5 — co- foliate. 



S. Lowest pinnae simple, or forked at the base. 

 G. Edges entire, crenate or repand. 



9. Rhizome erect. (16) A. psilopodum. 



7.7. Rhizome creeping. (17) A. polymorphum. 

 e.e. Edges sinuate. (18) A. menyanlhidis. 



S.S, Lowest pinnae S-partite or 3-nate. 



i^. Lateral pinnae + 2 on each side. Texture + 

 coriaceous. (19) A. Lobbii. 



i^.if. Lateral pinnae + 5 on each side. Texture + 

 herbaceous. (20) A. semibipinnatum. 



3.3. Simple frond or terminal pinna deeply lobed at the base. 

 a. Rhizome erect or ascending. 

 h. Stipes black. 



c. Fronds mostly under 25 c.M. long. 



(21) A. Weinlandii. 



(*) Sec also A. platanlfoUum, Melt. & calcareniu, Pr. 



