ICONES FILICUM SINICARUM 
PLATE: 127 
CYRTOMIUM FALCATUM (L. fil.) Presl 
POLYPODIACE 
CYRTOMIUM FALCATUM (L. fil.) Presl, Tent. Pterid. 86 (1836); Link, Sp. Fil. Hort. 
Berol. 164 (1841); Fée, Gen. Fil. 286 (1850-52); Moore, Ind. Fil. 277 (1861); 
Hk. Florul. Hongk. in Journ. Bot. (1857) 340; J. Sm. Ferns Brit. & Fore. 142 
(1866); Hist. Fil. 204 (1875); C. Chr. Ind. Fil. Suppl. I. 101 (1912); Amer. Fern 
Journ. 20: 48 (1930); Christ in Warburg, Monsunia 1: 76 (1900); Bull. Acad. 
Géogr. Bot. (1910) 5; Tagawa, Acta Phytotax. et Geobot. 3: 59 (19384). 
Polypodium falcatum L. fil. Sp. Pl. Suppl. 446. (1781); Thunb. FI. Jap. 336 (1784); Poir. Encyc. 
Bot. 5: 527 (1804), 
Aspidium falcatum Sw. in Schrad. Journ. Bot. (1800°) : 31 (1801); Syn. Fil. 43 (1806); Hk. et Arn. 
in Bot. Beech. Voy. 274 (1836); Hk. Lond. Journ. Bot. 1; 494 (1842); Fil. Exot. t. 92 
(1857); Sp. Fil. 4: 4o (1862); Syn. Fil. 257 (1867); Benth. FI. Hongk. 454 (1861); Lowe, 
Ferns 6: t. 9 (1857); Franch. et Sav. Enum. Pl. Jap. 2: 336 (1879); Christ, Frankr. d. Erde 
232 (1897). 
Dryopteris falcata O. Ktze, Rev. Gen Pl. 2: 812 (1891). 
Palystichum falcatum Diels in Engl. u. Prantl: Nat. Pflanzenfam. 1: 4. 194 (1899); C. Chr. Ind. 
Fil. 58z (1905); Matsum. et Hayata, Enum. Pl. Form. 583 (1906); Yabe, Bot. Mag. Tokio 
17: 65 (1903); Nakai, Journ. Sci. Coll. Univ. Tokio 31: 399 (1911); Brause ex Loess. Prod. 
Fl. Tsingtau. in Bot. Centralbl. 37: 80 (1920). 
Aspidium falcatum var. genuinum Makino, Bot. Mag. Tokio 10: 212 (1896). 
Polystichum falcatum var. genuinum Matsum. Ind. Pl. Jap. 1: 342 (1904). 
Polypodium japonicum Houtt. Nat. Hist. 14: 167 t. 98 f. 3 (1783); Pfl. Syst. 13: 187 t. 98 f. 3 
(1786). 
Rhizome short, erect, densely clothed in large, broadly ovate, suddenly acu- 
minate, atro-brown, membranaceous scales with fimbriate margin; fronds cespitose, 
stipe 20-30 cm long, straminous, angular, densely scaly on the lower part, scales 
similar to those on rhizome and mixed with smaller, linear-lanceolate ones, lamina 
oblong-lanceolate, 15-40 em long, 6-13 cm broad, impari-pinnate; pinnz 1-10-jugate, 
alternate, the lower ones much the largest, 5-8 em long, 3-4 em broad, broadly 
ovate-falcate, long-attenuated towards apex, base petiolate and rounded, the upper 
ones gradually diminished, the uppermost ones lanceolate-faleate, 5 cm long, 1.5 em 
broad, subsessile, with the anterior base rounded or bluntly auricled, margin thick- 
ened, entire, or repando-undulate, never serrate (in f. typica) even at the apex ; tex- 
ture coriaceous, glossy green in living state, brownish when dried, rachis and par- 
ticularly the base of petiole copiously fibrillose-scaly; venation rather distinct, copi- 
ously reticulated in the same manner as in C. Fortunei; sori rounded, scattered, 
indusium coriaceous, rounded, entire, deppressed at centre. 
Kiangsu: Shanghai, on the way to Woosung, Alexander; Tseng Ming Hsien, L. C. Tso 1542, 
August 18, 1926; Haichow, Littoral Ledges, Jacob 36; Nanking, 10515 (pro parte), cultivated. Fukien- 
Foo-chow, Dr. Grijs 50 in herb. Hance; Diongloh, Chen Ping-en 2408, July 24, 1925. Shantung: Tsing- 
tau, Lau-shan, Kiintzel 45; Chefoo, Hancock 6. Chekiang: Shihpu, C. Y. Chiao 14113, July II, 1927; 
Mary Matthew 10218 in herb. Edinb. Univ. Kwangtung: Swatow, Gerlach, Dalziel, Sept. 1899; Yingtak. 
Tai-shan, C.C. C. 15074. ; 
Also Japan, Corea, Formosa and Liu-kiu. : : : 
Type from Nagasaki, Japan, collected by Thunberg. In China, this fern is come across only 
occasionally. Its report as occuring in Africa. Madagascar and Southern India is a mistake for 
C. micropterum (Kunze) Ching, sp. nov. (Aspidium anomophyllum var. micropteris Kunze, Linnaea 24: 
278. 1851). 
Var. devexiscapulz (Koidz. pro sp.) Tagawa, Acta Phytotax. et Geobot. 3: 60 (1934). 
Kwangtung: Lien-hsien, S. P. Ko 51004; ibid. Yang Shan, S. P. Ko 51041; ibid. Chen Hong, 
S. P. Ko 50984. Kwangsi: Wang-chin, Lu-chen, R. C. Ching 5468. Kweichow: Yao Ren Shan, Sanhoa, 
Y. Tsiang 6308. 
Also Japan. 5 : 
Differs from the type in much longer and narrower pinne of a lanceolate outline. 
The second variety, acutidens (Christ, pro sp.) C. Chr. Amer. Fern. Journ. 20: 49 (1930), with 
laciniately serrate or lobed pinne, is known only from Japan and Corea. ; ; ; 
Plate 127. Fig. 1. Habit sketch (natural size). 2. Lower pinna, showing venation and_ sori 
(natural size). 3. Indusium (x 24). 4. Large scale from the base of stipe (x 10). 5. Small scale from 
tachis (x 10). 
