ICONES FILICUM SINICARUM 
PLATE 66 
LEPISORUS OBSCURE-VENULOSUS (Hayata) Ching 
POLY PODIACEAE 
LEPISORUS OBSCURE-VENULOSUS (Hayata) Ching, Bull. Fan Mem. Inst Biol. 4: 76 (1933). 
Polypodium obscure-venulosum Hayata, Ic. Pl. Form. 5: 322 (1915); C.Chr. Ind. Fil. Suppl. 27 
(1913-16); Ogata, Ic. Fil. Jap. 3: pl. 141 (1930). 
Polypodium suprapunctatum Ching, nom. in herb. 
Rhizome creeping, epigaeous, atratous, subnaked but densely scaly at the tip; 
scales lanceolate, acuminate, thin, brown, margin erosed, the central part above the base 
dark-colored, the base and margin light-colored, with irregular hyaline luminae with thin 
flexuos walls, shrivelled, at last fallen off; frond 25-30 cm long, or longer, 2 cm broad, or 
broader, apex rostrate, gradually attenuate downward into the long, blackish, naked 
stipe, margin plane; textwre subcoriaceous, or thick chartaceous, greenish; venation 
obscure with distinctly punctate hydathodes on the upper surface; sori medium-sized, 
medial, covered when young with brown, peltate, shortly stalked paraphyses. 
Kweichow: Keengtze, Y. Tsiang 5000; Van-ching Shan, Y. Tsiang 7082 7908 
(1930). Kwangtung: Sunyi, P. S. Ko 51363; Y. K. Wang $1106; Lohfau Shan, 
C.O. Levine 1486; Levine & McClure 6819; N. K. Chun 41578; Ko-chow, Y. Tsiang 3208; 
Lockchong, N. C. Chun 43024; Lung-tau Shan, To & Tsang 12518, 12051 (1923). Hainan: 
Five Finger Mt., F. A. McClure 9504. Kwangsi: Bai-mar-chen, near Lin Yin, R. C. Ching 
6670 (1928); Tsing-Lung Shan, north of Lin Yin, R. C. Ching 6889. Hongkong: Lantao, 
Faber, Aug. 1888; Warburg. 
Closely related to L. nudus (Hooker) from India and Ceylon, differs in obscurely 
indigo-bluish stipe, broader lamina of green color, which is always broadened towards 
the base and rostrate at apex. 
Plate 66. Fig. r. habit sketch (natural size). 2. peltate paraphysis from a sorus (X50). 3. scale 
from rhizome (X50). 
