﻿22. DRYOPTERIS. § 1. LASTRAEA. 181 



*/^ — '/g on the way down to the costa, the point long-acuminate, toothed. 

 Texture herbaceous to semicoriaceous ; rachis fibrillose with black, filiform 

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

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

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

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



(3) D. gramiiiitoicleiS, C. Chr., Ind. Pil. ; Aspidium grammiloides, 

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

 Philipp., 21. 



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

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

 rigid, whitish hairs. Fronds S — 7 c.M. long, lYi — 2 c.M. broad, broadly 

 oblong, narrowing from the base to the caudate, pinnatifid apex. Pinnae ± 

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

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

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

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



Luzon. 



(4) n. I£oorclei*isii, C. Chr., Ind. Pil.; Aspidium Koordersii, Christ, 

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



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

 Stipes tufted, polished, rufo-stramineous, partially spotted, firm, + 15 c.M. 

 long. Fronds ± 15 c.M. long, + 10 c.M. broad, ovate-deltoid, 2-pinnate. 

 Pinnae ± 8 on each side, erecto-patent, the lower ones jiot shorter, ovate 

 towards the base, subsessile, the apex caudate to acuminate, the rachis nar- 

 rowly winged. Secondary segments + 1 ^2 c.M. long, distant, linear-lanceolate, 

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

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

 simple, + 8 on each side. Sori small, medial on the veins; capsules few; 

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



Celebes. 



(5) D. phaeOjitigma, C. Cfcr., Ind. Fil.; Aspidium phaeostigma, 

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



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

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

 long, ± 20 — 25 c.M. broad, lanceolate, pinnate. Pinnae spreading, pinnatifid 



