﻿218 22. DRYOPTERIS. § 2. NEPHRODIUM. 



Ind. Perns, 277, p. p.; Aspidium aborlivum, Bl., Enum., 154; — var. puberula 

 k tomentosa; var. B ^ C, BL, 1. c. 



Rhizome + erect. Stipes tufted, 15 — 30 c.M. long, firm, erect, naked. 

 Fronds 30—60 c.M. long or longer, 15 — 30 c.M. broad. Central pinnae 7—15 

 c M. long, 1 '/j — 2 c.M. broad, acuminate, cut lo ± '/s of the way down into 

 close, truncate lobes ; lobes oblong, entire, or crenulate at the apex, the lower 

 ones sub-abbreviate, + V4 — Vs ^■^^- broad. Lower pinnae distant, reduced 

 suddenly into mere auricles. Texture firm -herbaceous; lachis naked, or pube- 

 rous on the upper side; costae puberous above; veins + 6 — 8 on each side 

 of the main veins. Sori medial. 



Vaiv puberula.: Pinnae long-acuuainate. Rachis puberulous throughout. 



Var. tOBuesfitosa ; Pinnae short and narrow. Rachis tomeutose 

 and sparingly paleaceous above. 



Malaya. 



* (87) O. niegapliylla, C. Chr.^ Ind Fil.; Nephrodtum pennigerum, 

 Moore (not Hk.), Rac, Flor. Btz., I, 190; N. abruptum, Bedd., Ferns S.I., tab. 

 LXXXVI; Aspidium pennigerum, BL, Christ, Farnkr. d. Erde, 248; A. me- 

 gaphyllum. Melt., (oldest name), Ann. Mus. Bot. L. B., I, 233. 



Rhizome short-creeping or suberect, clothed with firm, blackish-brown, 

 lanceolate, entire scales. Stipes approximate, stout, 15 — 100 c.M. long, finely 

 or minutely villose, scaly at the base. Fronds 50 — 120 c.M. long, 20 — 60 

 c.M. broad, linear-lanceolate or oblong. Pinnae numerous, oblique, 1 — 4 c.M. 

 broad, the apex acuminate, the edge cut ^/g — ^4 or rarely to ^3 of the 

 way down to the midrib into oblong, falcate lobes, the base broadly cuueate ; 

 lower pinnae suddenly dwarfed, dislant, occupying + the upper '/2 — Vs of 

 the stipe. Texture herbaceous to papyraceous; rachis and under surface 

 villose, or the under surface slightly hairy on the costae and veins only; veins 

 6—10 on each side, the 3 — 4 lower anastomosing. Sori medial on the veins, 

 5 — 7 to a row; sporangia often setose. 



Malaya; North. India, Ceylon, Comores, South. Africa. 



* (88) D. arbuigcula, O.Htxe, C. Chr., Ind. Fil.; Nephrodtum 

 Arbuscula, Desv., Rac, Flor. Btz., I, 189; Bedd., Ferns S.I., tab. LXXXVII ; 

 Aspidium Hookeri, Wall., Hk., Icon. PI., X, tab. CMXXII; A. Arbuscula, 

 Willd., Christ, Farnkr. d. Erde, 249. 



Rhizome short-creeping or erect, clothed with narrow, lanceolate scales. 



