71 



Polypodium ilvense S\v. Syn. Fil. (180G) p. 39 ; Willd. Sp. PI. V. p. 

 198 ; Schkuhr, Crypt. Gew. p 16, tab. 19 ; Ait. Hort. Kew. ed. 2, p. 505 ; 

 Presl, Tent. Pterid. p. 180. 



Woodsia hyperhorea var. ilvensis Luers. 



Woodsia lujperhorea suhsp. ilvensis Hook. fil. Stud. FI. Brit. IsL ed. 

 3, p. 515. 



Polypodium Marantce Hoffm. Deutschl. Fl. II. p. 5. 



Polysticlmm Marantce Roth, ' Fl. Germ. III. p. 92.' 



Acrostichum 31arantce Pall. ' It. III. p. 293.' 



Nephrodium rufididum Michx. Fl. Bor. Araer. II. p. 269. 



Aspidium rufididum Sw. Syn. Fil. p. 58 ; Willd. Sp. Pi. Y. p. 282. 



Lastrea rufidula Presl, Tent. Pterid. p. 76. 



Woodsia imfidida Beck. 



Woodsia hyperhorea /3. rufid'ula Koch, Syn. Fl. Germ, et Helv. ed. 3, 

 p. 731 ; Milde, Fil. Eur. et Atl. p. 164. 



Woodsia Jiypeo'borea suhsp. rufidula Korshinsky in Act. Hort. Petrop. 

 XII. (1893) p. 430. 



Woodsia Rajana Newra. ' Brit. Ferns, p. 140.' 



Polypodium Arvonicum With. ' Brit. PI. If. p. 774,' non S\v. 



Woodsia (Preslia) paleacea Opiz. 



Woodsia intermedia Rupr. 



Aspidiuon distans Viv. 



Cincinalis setigera Desv. 



Woodsia vestita Spreng. ' Nov. Proven, p. 44, excl. syn. Sw. et Michx.' 



About 9-13 cm. high. Caudex short, ascending, thick with the many 

 bases of the old stipes ; roots black. Stipes tufted, erect, articulated below 

 the middle, rufous but castaneous-rufous below, glossy, scaly, about 3-5 cm. 

 long ; scales Isabel-coloured, thinly membranaceous, sharply acuminate, the 

 lower ones lanceolate ovato-lanceolate or subulato-lanceolate, the superior ones 

 linear-hirsute. Frond broadly lanceolate, longer than the stipe, bipinnati- 

 parted, paleaceo-hirsute beneath, 5-8 cm. long, l|-2 cm. broad ; pinnae sub- 

 coriaceous, spreading, alternate or subopposite, oblong-ovate, obtuse, cuneato- 

 truncate and sessile at the base, pionati-parted, the middle ones larger; 

 pinnules nearly patent, 4-5 on each side, ovate or elliptical-ovate, obtuse, 

 more or less re flexed and obscurely crenate on margin ; veinlets free, usual- 

 ly forked; rachis clothed with paleaceo-hirsute scales. Sori intramarginal, 

 numerous, closely placed, at length confluent ; indusium deeply creft into long 

 incurved hairs. Sporangia : the case globose ; the pedicel very short. 



ITom. Jap. Miyama-iivadenda (T. Kawakami). 



