ICONES FILICUM SINICARUM 
IPALYANIEID, — SKoY6) 
COLYSIS WRIGHTII (Hooker) Ching 
POLYPODIACE 
COLYSIS WRIGHT! (Hooker) Ching, Bull. Fan Mem. Inst. Biol. 4: 324 (1933). 
Gymnogramme Wrightii Hooker, Sp. Fil 5: 160 t 303 (1864); Syn. Fil. 388 (1867). 
Poly podium Wrightii Mett. ex Diels in Ehg]. u. Prantl: Nat, Pflanzenfam. 1: 4. 316 (1899); C. 
Chr. Ind. Fil. 575 (1905). 
Selliguea Wrightit J. Sm. Hist. Fil. 102 (1875). 
Polypodium kusukusense Hayata, Ic. Pl. Form. 5: 320 f. 131 (1915); C. Chr. Ind. Fil. Suppl. IT. 
26 (1912-16). 
Rhizome wide-creeping, densely scaly; scales fusco-brown, lanceolate from rounded 
base, thin, clathrate; frond distant, 25-35 cm long including wingless stipe 2-5 cm long 
(sterile leaves almost without wingless stipe), lanceolate, 4-3 cm broad, acuminate, rather 
gradually narrowed and decurrent along stipe in a broad wing on each side, margin 
repando-undulate; texture thin herbaceous or submembranceous, glabrous on both sides, 
turning blackish upon drying; venation distinct, lateral main veins subpatent, flexuose, in- 
termediate veinlets anastomosing in 2-rowed elongate areole with simple or divaricate 
included veinlets; soz linear, extending from costa to near the margin. 
Hongkong: Bodinier 145, May 2, 1898. Kwangtung: Tung Shing Hsien, K. K. 
Tsoong 4848, 4905, 1950, 11538; Yao Shan, C. L. Tso; North River, C. G. Matthew, Nov. 
26, 1907; Swatow, Thai-yong, Dr. Dalziel, August, 1897; July, 1901; Sept. 1899. Che- 
kiang: Pin-yang Hsien, H. H. Hu 1898. 
Also Tonkin, Formosa and Loochoo (C. Wright, type). 
A very distinct species which, by its present distribution, seems to be more common 
in the Islands Formosa and Loochoo than on the mainland. It is most closely related to 
C. Leveillei (Christ) Ching but differs in its submembranaceous leaves with repando- 
undulate margin, always turning blackish upon drying, of which the fertile ones are 
generally provided with short wingless stipes. 
Plate 196. Fig. 1. Habit sketch (natural size). 2. Portion of lamina, showing venation and 
sori(x 2). 3. Scale from rhizome (x 30). 
