ICONES FILICUM SINICARUM 
PLATE 156 
LINDSAYA LOBBIANA Hooker 
POLYPODIACE 
LINDSAYA LOBBIANA Hooker, Sp. Fil. 1: 205 t. 62C. (1846); C. Chr. Gardens Bull. Str. Settl. 
4: 396 (1929); Ind. Fil. Suppl. III. 122 (1934), c. syn. 
Lindsaya cultrata Hk. et Bak. Syn. Fil. 105 (1868), pro parte; Christ (non Sw.), Journ. Bot. d. 
France 19: 9 (1905); Merr. Enum. Hainan PI. in Lingnan Sci. Journ. 5: 13 (1927). 
Lindsaya gracilis C. Chr. Ind. Fil. 393 (1905), pro parte. 
Rhizome creeping, slender, sparcely scaly; scales brown, small, oblong-lanceolate, 
consisting 3-4 rows of elongate luminz, entire; fronds aggregate or approximate, stipe 5- 
to cm long, pale green or light straminous, naked, prominently 4-angular, lamina linear- 
lanceolate, 20-30 cm long, 2-2.5 cm broad, acuminate, slightly narrowed towards base, 
pinnate; pinnae numerous, close, horizontally patent, alternate, about 1 cm long, 6 mm 
broad, broadly half-ovate, short-petiolate, base attenuate, upper side truncate, apex 
rounded, lower edge straght, upper edge convex and lobato-incised, gradually decrescent 
towards acuminate apex, lower ones rather far apart and smaller; texture herbaceous, light 
green even when dried, glabrous on both sides, rachis also 4-augular; veins fine, distinct 
green, flabellulately forked; sori one to each lobe, transversally linear or slightly curved, 
indusium linear, entire, greenish, narrower than the leaf-edge. 
Hainan Island: Tun Fao, Kachek, E vyl Smith 1466, on stream banks at low altitude; 
Chim Fung Ling, S. K. Lau 3596; C. Wang 33509, 34571, on rocks along stream side. 
Tonkin: Tahl-Nguyen, Pételot s. n.; Eberhardt 2028. 
Annam: Cadier 63; Tourane, Gaudichaud (1837). 
Siam: Koh Chang, Johs Schmidt 779. 
Assam: Griffith. Also South India, Malesia and Java (type locality). 
A fairly common fern in the localities noted. In general habit, it is closely relat- 
ed to L. cultrata (Willd.), but differs always by pale green and prominently 4-angular 
stipe and rechis throughout. 
Plate 156. Fig. 1. Habit sketch (natural size). 2. Pinna, showing venation and sori (x 5). 3. 
Scales from rhizome (x 40). 4. Cross section of stipe (x 10). 
