﻿238 25. ASPIDIUM. § 1. TECTABIA. 



costae, translucent, divided in smaller secondary ones. Sori in 2 rows, 2 or 

 rarely 3 to each primary areola, dorsal on the veinlets; indusium persistent. 

 Timor, ( ? Malaya) ; Marianne Islands. 



* (8) A. ternatense, ». a. v>. u. 



Stipes 30 — 45 c.M. long, naked, firm. Fronds + 45 c.M. long. Termi- 

 nal pinna lanceolate, ± 10 — 15 c.M long, ± 2 c.M. broad, gradually nar- 

 rowed towards both ends, the edge entire or irregularly sinuate, the apex 

 acute or acuminate, lateral pinnae 6 — 8 on each side, suberect, similar to 

 the terminal one, the highest sessile, decurrent, free or joining with the termi- 

 nal one, the lower stalked, the lowest forked at the base. Texture herbaceo- 

 membranaceous ; surfaces naked; main veins fine, erec to-patent; areolae sub- 

 quadrangular, in 2 rows between the main veins, each with a single, included, 

 excurrent, free veinlet ; costae prominent beneath. Sori copious, slightly immer- 

 sed, 1 to each areola, terminal on the free veinlets, forming 2 regular rows 

 between the main a veins, with + 5 — 7 sori to a row ; indusium persistent. 

 Barren fronds not seen. 



Ternate (Teysmann). 



(9) A.. Beccarianuiu, JBU., Becc, Mai., Ill, 43; A. Cesalianum 

 C. Chr., Ind. Fil. 



Rhizome erect, densely clothed with firm, linear, acuminate, brown scales. 

 Stipes tufted, brown, firm, ± 30 c.M. long, sparingly paleceous above and 

 below the centre. Fronds ohlong-deltoid, ± 50 c.M. long, 2 — 3-pinnatifid. 

 Pinnae in + 3 opposite pairs, the lower ones short-stalked, inequilateral, deltoid, 

 produced on the lower side. Lower pinnulae deeply pinnatifid, only adnate 

 at the base. Segments oblong. Texture firm; surfaces naked like the casta- 

 neous rachis ; main veins straight from the costa to the mai'gin ; veins immers- 

 ed, obscure; areolae copious, hexagonal. Sori in 2 rows, parallel to the 

 main veins; indusium large, glabrous, persistent. 



New Guinea. 



(10) A. repanduni, wma., Hk. Bk., Syn. Fil., 258; A. platy- 

 phyllum, Pr., Epim., 65; Sagenia repanda, Moore, Ind., 102; Tectaria crenala, 

 Cav., Copel., Philipp. Journ., II, 414, p. p. 



Stipes 50 — 75 c.M. long, furnished with a few hair-like scales near the 

 base, naked upwards. Fronds 60—90 c.M. long, pinnatifid at the apex. 

 Pinnae 4 — 8 on each side, 15 — 30 c.M. long, 3—5 c.M. broad, linear-oblong. 



