22. DRYOPTERIS. § 2. NEPHEODIUM. 2^1 



pinnate in the lobes with 10—13 veins on a side, with a sorus on each 

 about midway between the main veins and the edge ; indusium small, 

 fugacious. 



Malaya; Galapagos Islands, Trop. America. 



* (94) D. ferox, O.Ktme, C. Chr. Ind. Fil.; Nephrodium ferox, Moore, 



Rac, Flor. Btz., I, 192; Bedd., Ferns Br.I., I, tab. CXXIX; Aspidium ferox, 

 BL, Christ, Farnkr. d. Erde, 247; Polypodium barbatum, Hk., Sepc. Fil., V, 

 1 1 ; Phegopleris barbata, Mett., Farng., IV, Phegop. & Aspid., No. 48. 



Caudex to 10—20 or sometimes to 100 c.M. high Stipes tufted, 30— 1 50 

 c.M. loni:, clothed like the racbis with long, subulate, i dark, spreading, 

 ([scales or bristles leaving the stipes rough when they fall. Fronds 9U — 300 

 c.M. long, to 60—100 c.M. broad, lanceolate-oblong. Pinnae rather close, 

 linear-lanceolate, 17 — 30 m.M. broad, the apex acuminate, the edge cut + 

 '/j-way down into numerous, entire, deltoid-oblong, straight or falcate lobes, 

 the base truncate, on stalks to + 1 m.M. lonig or longer. Texture sub- 

 coriaceous; surfaces glossy; midribs villose beneath; main veins pinnate in 

 the lobes; veins + 10 — 15 on each side, the 5 — 7 lower anastomosing. Sori 

 often numerous, close to the main veins, the lower close to the midribs; in- 

 dusium fugacious. 



(95) D. Liolieriaiiei, C, Chr., Ind. Fil. ; Nephrodium Loherianum, Copel., 

 Polypod. Philipp., 30; Aspidium Loherianum, Christ, Bull. Herb. Boiss., VI, 191. 



Rhizome short-creepine. Stipes approximate, the base clothed with few, 

 ovate, brown scales, the rest short-haired like the racbis, costae and veins, 

 dark-stramineous, firm, + 50 c.M. long, the upper part bearing distant, 

 reduced, auriculiform pinnae. Proods short-haired, deltoid-ovate, + 50 c.M. 

 long, 18 — 20 c.M. broad, acuminate. Lowest not-reduced pinnae the longest, 

 + 2 c.M. broad, lanceolate, patent, acuminate, sessile, cut down to a distance 

 of + 3 m.M. from the costa into falcate, oblong, pectinate, obtuse, entire 

 lobes + 5 m.M. broad. Texture subcorjaceous ; veins + 12-jugate. Sori 

 submarginal, close, small ; indusium villose. [ See the Appendix. 



Philippines. 



(96) D. latebrosa, C. Chv., Ind. Fil.; Aspidium latebrosum, Kze, 

 Mett., Farng., IV, Phegop. & Aspid., 104. 



Stipes nodulose below. Fronds ± 90 c.M. long, linear-lanceolate, pinnate. 



