ICONES FILICUM SINICARUM 
PLATE 87 
MICROSORIUM ZIPPELI! (Blume) Ching 
» POLYPODIACEAE 
MIGROSORIUM ZIPPELII (Blume) Ching, Bull. Fan Mem. Inst. Biol. 4: 308 (1933). 
Polypodium Zippelit Blume, Fl. Javae. Fil. 172 t. 80 (1829); Mett. Polyp. n. 224 (1857); C. Chr. 
Ind. Fil. 575 (1906). 
Polypodium heterocarpa Bedd. (non Mettenius) Ferns Brit. Ind. t. 324 (1870). 
Pleopeltis Zippelit Moore, Ind. Fil. 348 (1862); Bedd. Handb. Ferns Brit. Ind. 357 (1883). 
Polypodium heterocarpum var. Zippelit Hk. et Bak. Syn. Fil. 360 (1868). 
Rhizome rather thick, short-creeping, hypogaeous, atratous; scales. fusco- brown, 
rather firm, ovate, acute, appressed; frond rather approximate, broadly lanceolate, 50-70 
cm long, including the short, but wingless, terete stipe, gradually attenuate along the upper 
part of stipe in a narrow wing, apex rather subcaudate, margin entire, but somewhat 
wavy; texture subcoriaceous, or thick chartaceous, color ,dark green, naked on both 
sides; lateral main veins distinct near to the margin, oblique, I.2 cm apart, intervening 
veinlets obscure; sori large, rounded, naked, rather regularly two-rowed between main 
veins, and about 5-6 between the costa and margin. 
Hainan: Ng Chi Leng, F. A. McClure 8648; Khio Tswi, Eryl Smith 1544; Fan 
Yah, C. L. Tso & N. K. Chun 44027, Oct. 7, 1932. Kwangsi: Yao Shan, S. S. Sin & K. 
K. Whang 698, on stream side. 
Distr. Malesia, the Philippines, Indo-China, India generally and South China. 
Habit of M. membranaceum (Don), differs in generally smaller size, subcoriaceous 
frond with short, but wingless, terete stipe, and larger biseriate sori between lateral 
main veins. 
Plate 87. Fig. 1. habit sketch (natural size). 2. portion of a frond, showing venation and 
position of sori (X 2). 3. scale from rhizome (x 50). 
