22. DRYOPTERIS. § 1. LASTRAEA. 181 



4 — Vs on the way down to the costa, the point long-acuDainate, toothed, 

 exture herbaceous to /5e»icoriaceous ; rachis fibrillose with black, filiform 

 jales ; surfaces naked, or the midribs slightly scaly ; main veins pinnate in the 

 »bes; lower veins not reaching the edge. Sori medial on the veins. — This 

 Bsembles D. filix mas, Schott in general habit (Bk.). 

 Malaya; Polynesia, South. China, North. India. 



(3) n. grammitoides, C. Chr., Ind. Fil.; Aspidium 

 hrist. Bull. Herb. Boiss., VI, 193; Nephrodium grammitoides, Copel., Polypod. 

 hilipp., 21. 



Rhizome short-creeping, scaly. Stipes weak, 3^-4 c.M. long, stramineous, 

 lothed like the whole plant, and especially the costae and veins, with short, 

 igid, whitish hairs. Fronds 5 — 7 c.M. long, I'/i — 2 c.M. broad, broadly 

 blong, narrowing from the base to the caudate, pinnatifid apex. Pinnae + 

 on each side, lowest largest, distant, sessile, deltoid, acuminate, cut down 

 ) the costa at the base, the upper portion pinnatifid. Lobes + 4 m.M. long, 

 eltoid, crenate. Main veins pinnate in the lobes. Sori minute, 3 — 4 on 

 aich side of the main veins; indusium small and villose, or suppressed. 



Luzon. 



(4) D. H-OOrdersii, C. dhr., Ind. Fil.; Aspidium Koordersii, Christ, 

 nn. Btz., XV, 128, tab. XV, fig. 17, a— b. 



Rhizome short, erect, woody, clothed with blackish, acuminate scales, 

 tipes tufted, polished, rufo-stramineous, partially spotted, firm, ± 15 c.M. 

 ing. Fronds + 15 c.M. long, + 10 c.M. l)road, ovate-deltoid, 2-pinnate. 

 innae + 8 on each side, erecto-patent, the lower ones not shorter, ovate 

 )wards the base, subsessile, the apex caudate to acuminate, the rachis nar- 

 )wly winged. Secondary segments ± I'/a c.M. lohg, distant, linear-lanceolate, 

 Jute, slightly crenate, narrowed at the base. Texture thinly coriaceous; 

 )lour dark-green; rachis and both surfaces naked; veins black, erecto-patent, 

 mple, ± 8 on each side. Sori small, medial on the veins; capsules few; 

 idusium laterally fixed, crustaceous, convex, brown, glossy, the margin decurved. 



Celebes. ^ 



(5) D. phaeos^tigma, C. Chr., Ind. Fil.; Aspidium phaeostigma, 

 es., Fel. Becc. Polin., 4 & 7. 



Stipes erect or suberect, 60—75 c.lW. long, the base densely clothed 

 ith long, linear-subulate, brown scales, the rest naked. Fronds 45— 60 c.M. 

 ng, ± 20 — 25 C.M. broad, lanceolate, pinnate. Pinnae spreading, pinnatifid 



