25. ASPIDIUM. § 2. SAGENIA. 2B1 



lower side, deeply piniiatifid, the lobes lanceolate. Texture moderately firm; 

 both surfaces finely pubescent; main veins distinct to the margin; areolae 

 with copious free veinlets. Sori 2-serial, approximate to the main veins; 

 iodusium small, membranaceous, + persistent. 

 Borneo. 



crenata, Cav., Copel., Phillipp. Jouni., II, 414, p.p. ^x^ 

 Rhizome short, ascending. Stipes 40—60 c.M. long, slramineoij>.<5rbrown, 

 the base clothed with lanceolate, arcuate scales + 12 mJts^ng, the rest 

 naked like the rachis. Fronds 30— 60' c.M. long, oval^<^inate, the barren 

 ones the largest. Terminal pinna + 25 c.M. long,'^ 7 c.M. broad, acumi- 

 nate, entire • or subrepand ; below this 3— -gi^^eral pinnae on each side, 

 which are sessile, erecto-patent, straigljjt^r subarcuate, lanceolate, 18 — 20 

 c.M. long; fertile pinnae smaller, +xTO c.M. long, + 2 c.M. broad, obscurely 

 crenate, the lowest stjlked.^^Mture subcoriaceous ; surfaces -naked; main 

 veins almost reaching th^^^Mrgin; areolae irregular, with included, free vein- 

 lets. Sori large, m/^ rows between the main veins, almost covering the 

 entire laminaL,.'ifiousium persistent. — A form from Borneo, cultivated in 

 the Buitejjz(5i^ gardens^ has the pinnae of both barren and fertile fronds + 2 

 X^S'^'oad as in the philippine plant (forma latipinna). 

 ^ — Mindanao, Borneo. ■— 



* (39) A. siifolium, JSett., Ann. Mus. Bot. L.B., I, 237; A. me- 

 nisciicarpon, Melt.fFavag., IV, Phegop. & Aspid., No. 287 ; A. biseriatum, Christ, / 

 Bull. Herb. Boiss., 20 Sh'\Q, -VI, 1002; Nephrodium sii folium, Bk., Hk., Bk., 

 Syn. Fil., 299; Tectaria siifolia, Copel., Philipp. Journ., II, 414; — var. Teys- 

 mannianum, Christ, Ann. Btz., XV, 138; A. Teysnmnnianum, Hk., Spec. Fil., 

 IV, tab. CCXXXVI; — var. subtrifoliatum, Christ, 1. c. 



, Rhizome oblique, the scales black-brown. Stipes few, tufted, 15 — 45 

 c.M. long, brownish, naked, or scaly at the 'base. Fronds 30 — 45 c.M. long, 

 15 — 20 c.M. broad, with a broad, oblong, acuminate, terminal pinna and 2 — 4 

 lateral ones on each side. Lateral pinnae short-stalked or sessile, the lower 

 ones stalked, 7 — 15 c.M. long, 4—6 c.M. broad, bipartite, the margin rather 

 deeply lobed. Texture subcoriaceous; main veins close, distinct to the edge; 

 areolae fine, copious, with free veinlets. Sori large, copious, in 2 close rows, 

 the contiguous pairs often confluent, on connected veins; indusium ciliate. — 

 Fertile pinnae 7—10 c.M. long, lanceolate, acuminate. 



