﻿28. ODONTOSORIA. §. 1. EU-ODONTOSORIA. 259 



* (1) O. cliinensis, 3. Sm., Copel., Polypod. Philipp., 57 ; Davallia 



tenuifolia, Sw., Rac, Flor. Btz., I, 136; Bedd., Ferns S.I., lab, XVI; Lindsaya 

 (eniii folia, Melt., Christ, Farnkr. d. Erde, 296; L. chinensis, Burck, Ann. Btz., 

 IV, 90; Slenoloma chinensis, Bedd., Handb. Ind. Ferns, 70; Trichomanes Chi- 

 nense, L., (oldest name). 



Rhizome creeping, the scales dense, brown, hair-like. Stipes 2 — 20 m.M. 

 apart, polished, naked, erect, + 10 — 50 c.M. long. Fronds 5-pinnatifid to 

 4-pinnate, ± 10 — 50 c.M. long, 4 — 25 c.M. broad, lanceolate or ovate. Lower 

 pinnae ovate- to deltoid-lanceolate, erecto-patent, 3 — 15 c.M. long, l^j^—S c.M. 

 broad. Pinnulae + oblong or lanceolate. Ultimate segments cuneate, the 

 apex + truncate, entire or toothed, 1 — 4 m.M. broad. Texture subcoriaceous ; 

 surfaces naked; veins dichotomous. Sori terminal, roundish, 1 — 2 to a lobe. 



Trop. Asia, Polynesia, Japan, China, Comore ^ Mascarene Islands, Ma- 

 dagascar. 



(2) O. biflora, C. Chr., Ind. Fil; Davallia hiflora, Klf., Enum. 

 Pil., 221. 



Like 0. chinensis, J. Sm., but the fronds 2 — 3-pinnate, the apices of 

 the lower pinnae caudate, the ultimate segments cuneate, broader; indusium 

 suborbicular. 



Luzon. 



* (3) O. retuiSa, *r. Sm., Copel., Polypod. Philipp., 57; Davallia 



relusa, Cav., Hk., Spec. Fil., I, tab. LII, A; D. decipiens, Ces., Fel. Becc. 

 Polin., 3 & 7; Lindsaya relusa, Melt., Hk. Bk., Syn. Fil., 110; L. cuneifolia, 

 Pr., Hk., 1. c, 219. 



Rhizome short-creeping, strong. Stipes strong, erect, reddish like the 

 rachises, to + 100 c.M. long. Fronds ovate-deltoid, 3-pinnatifid, to + 90 

 c.M. long. Pinnae stalked, the lower ones 20 — 60 c.M. long, 10 — 20 c.M. 

 broad, deltoid. Pinnulae stalked, lanceolate-deltoid, pinnate or more commonly 

 pinnatifid below, the apex pinnatifid. Segments cuneate, the lower ones to 

 + 1^2 c.M. long, to + 1 c.M. broad, the base cuneate, the outer margin 

 irregularly flahelliform, cut down towards the base into 3 — 6 cuneate lobes 

 often different in length. 1 — 6 m.M. deep, 3 — 6 m.M. broad at the apex. 

 Texture herbaceous, slightly fleshy; veins flabellate, several times forked. 

 Sori terminal on the lobes, occupying the whole breadth. 



Malaya; Melanesia. 



