ICONES FILICUM SINICARUM 
PLATE 199 y 
COLYSIS PENTAPHYLLA (Baker) Ching 
POLYPODIACEE 
COLYSIS PENTAPHYLLA (Baker) Ching, Bull. Fan Mem. Inst. Biol. 4: 332 (1933). 
Gymnogramme pentaphylla Baker, Kew Bull. (1898) 233 
Polypodium pentaphyllum Christ (non Baker, 1891), Bull. Acad. Céogr. Bot. (1906) 248. 
Poly podium ellipticum var. pentaphyllum C. Chr. Ind. Fil. 524 (1905). 
Polypodium mediosorum Ching, Bull. Fan Mem. Inst. Biol. 2: Ig t. 4 (1931); C..Chr.. Ind: Fil. 
Suppl. IIT. 153 (1934), 
Rhizome wide-creeping, densely radicose and scaly; scales ovate-acuminate, light 
brown, iridescent, thin, clathrate, dorsally affixed; frond distant, stipe 35-55 cm long, stra- 
minous, glabrous above base; lamina ovate, 15-20 cm long, nearly as broad, pinnate; pinnae. 
' I-3-jugate, or rarely more, 14 cm long, to 3 cm broad, broadly lanceolate; opposite, acumi- 
nate, base attenuate and decurrent along rachis, equal-sized, margin entire, slightly repand; 
texture herbaceous, green, glabrous; costa prominent on both sides, lateral main veins: 
visible above, veinlets anastomosing in 4 rows of elongate, oblique areole with included 
recurrent simple veinlets; sovz linear, oblique, extending over two-thirds way to the margin. 
Yunnan: Mengtze, A. Henry 9033A, 9033 (type), 9295; Wen Shan Hsien, Lou-chin 
Shan He Ty. Gisat 51373; ibid:,-Da DsinjeHeawd:. Dsat-biG47. 
A distinct endemic species, closely related to C. elliptica (Thbg.) var. pothifolia 
(Don) Ching in habit, differing in very long-stipitate leaves and proportionally short ovate 
lamina with only 1-3 pairs of broadly lanceolate pinne, thick and rather short sori and 
the broadly ovate-acuminate, light brown scales on rhizome. 
Plate 199. Fig. 1. Habit sketch (natural size). 2. Portion of pinna, showing venation and sori 
(x 25). 3. Scale from rhizome (x 20). 
