ICONES FILICUM _SINICARUM 
PLATE 148 
PYRROSIA DRAKEANA (Franch.) Ching 
POLYPODIACE 
PYRROSIA DRAKEANA (Franch.) Ching, Bull. Bot. Soc. China 1: 64 (1935). 
Polypodium Drakeanum Franch. Nouv. Arch. Mus. Il. 7: 165, (1883); Christ, Bull. Herb. Boiss. 
6: 871 (1898), 
Niphobolus Drakeanus Diels in Engl. Jahrb. 29: 206 (1900); Giesen. Farngatt. Niph. 117 (1901); 
Christ, Bull. Soc. Bot. France 52: Mém. 1. 24 (1905). 
Cyclophorus Drakeanus C. Chr. Ind. Fil. 198 (1905); Contr. U. S. Nat. Herb. 26: 326 (1931). 
Polypodium Sheareri Christ (non Baker), Nuov. Giorn. Bot. Soc. Ital. n.s. 4: 95 (1897). 
Cyclophorus Sheareri C. Chr. Acta Hort. Gothob. 1: 105 (924, non 1905), pro parte. 
Niphobolus Sheareri Christ (non Diels), Bull. Soc. Bot. France 52: Mém. t. 26 (1905). 
Niphoholus inaequalis Christ, Bull. Soc. Bot. France 52: Mém. 1. 25 (1905); Bull. Acad. Géogr. 
Bot. (1906) 109. 
Cyclophorus inaequalis C. Chr. Ind. Fil. 199 (1905). 
Rhizome thick, short-creeping, densely scaly; fronds subcespitose, stipe 
thick, stout, 13-17 cm long or much longer, ferruginously stellate hairy, lamina 
oblong-ovate or oblong-lanceolate, 13-16 cm. long, or longer, to 6 cm broad, short 
acuminate, base obliquely truncate or rotundo-cuneate, slightly decurrent; texture 
rigidly coriacecus, upperside green and sparcely hairy when young, underside 
densely clothed in thick wooly brown persistent and loose indumentum consisting 
of long needle-like arms not on the same plan, midrib prominent on both sides, 
hairy underneath; lateral main veins scarcely visible; sori punctate, subconfluent at 
last. 
Shensi merid: David (type), March, 1873; Chui-kio-suen, Giraldi, Sept. 29, 
1897; Purdom 97; Thai-pei Shan, Giraldi. Kansu: Kua-tsa, Meyer 1818, Nov. 5, 
1914; Licent 4934 (1919). Hupeh: Patung, Henry 3684; Wilson 1909, 1727, 2629; 
Henry 1428 (type of Niph. inzqualis); Shin-Shan Hsien, S. S. Chien 8324 in herb. 
Univ. Nanking; Ichang, Henry 2569. Kweichow: Gan-pin, Bodinier 1743; Pin-fa, 
Cavalerie 512; Esquirol 635, 699; Cavalerie 1807, 1809 (without exact locality). Sze- 
chwan: Mt. Omei, Wilson 5323; Faber 1076; Brown; W. P. Fang 2710, on tree; Nan- 
chuan: Bock & Rosthorn 1713, 1059, 3123; Ta-chien-lu, Harry Smith 4930; Prince 
Henri @ Orleans; Y. Chen; Pin-yi-pu, Harry Smith 1984, 4930, 4825; Moupin, David 
(1870); T. Tang 787 (1932). Yunnan: Tsekou, Monberg 275 (1908); Soulié (1898); 
Mengtze, Henry 9114, 9116; Hancock 51 (Kew No); Salwin, Forrest 16195, 28940; 
Mekong, Forrest 13119 (1914), 19842, 19841; Kiang Yu Shan near Lan-pou, Delavay 
1784; Ta-pin-tze, Delavay 3250, 4518; Pe-yen-tsin, Simon Ten; Ducloux 4984; In-on, 
Maire. Tibet orient.: Soulié 588. 
A distinct pretty fern known only from mountains of comparatively high 
altitude in the western and north-western part of China; its distinction from Py. 
Sheareri (Baker) is already noted above. Niph. inequalis Christ represents a 
slender form with lanceolate lamina on stipe nearly twice as long. 
Plate 148. 1. Habit sketch (natural size). 2. Portion of lamina, showing venation (x 3). 3. 
Stellate hairs from the underside of lamina (x 20). 4. The same from stipe (x 20). 4. Scale from 
rhizome (x I0). 
