APPENDIX. 25. ASPIDIUM. 505 



§ 2. SAGENIA. 



(11*) See No. 1. 



(24) A- nebulosiiiu, C. Cht:; — var. gigas, v. A. v. R., in Bull. 

 Btz., WW, XXIII, 6. 



Forma typica: Stipes deciduously finely fibrillose or puberulous; 

 lowest pinnae sessile or shortly petiolulate. 



War. gigas): Stipes to ± 80 cm. long, the scales more numerous, 

 long, suhulate; fronds to + 55 cm. long, the terminal pinna with the 

 lower lobes shorter, the lowest pmnae more conspicuously petiolate; 

 indusia rudimentary, soon hidden among the capsules. 



(21a) A. Ridleyaiiuni, r. A. r. R.; Asplenium alaium, RiclL, in 

 Trans. Linn. Soc, Bot., 2nd Sen, IX, 256. 



Stipes 60 cm. more or less long, winged at the base. Fronds about 

 60 cm. long by 25 cm. more or less broad, lobed, the costa clothed beneath 

 with large, lanceolate, acuminate, brown scales; fertile fronds somewhat 

 narrower than the barren ones. Lobes lanceolate, to 15 cm. long by 3 

 era. broad, cuspidate-acuminate; terminal lobe 3-fid, lowest ones unequally 

 2-fid. Texture herbaceous; surfaces naked; costulae scaly beneath; veins 

 distinct; areolae large; included free veinlets present. Sori numerous, in 

 1 row on each side near the costulae; indusium reniform, persistent. 



Neio Guinea. 



2Q. L-ITVDS^^LYJV, nt-yundef. 



§ 1. ODONTOLOMA. 



(Sb) Wj. IWollastonil, ». A., v. jr.; Odontosoria tenera, RidL, in 

 Trans. Linn. Soc, Bot., 2nd Ser., IX, 254. 



Rhizome slender, elongated. Stipes scattered, pale, purplish in the 

 lower part. Fronds pinnate, ± 16 — 20 cm. long by 2 cm. broad. 

 Leaflets shortly petiolulate, cuneate, + 1 cm. long, dimidiate, the lower 

 entire, the upper edge cut down into ± 5 lobes. Lobes linear, 



