74 



Cysiopieris obtusa Presl, Tent. Pterid. (1836) p. 93. 



Physematium ohtusurn Hook. Fl. Bor.-Am. II. (1840) p. 259. 



HypopeMs obtusa Torrey ' Compend. p. 380.' 



AUophila Perriniana Spreng. Syst. Veg. IV. (1827) p. 125. 



Fhysematium Perrinianum Presl, Tent. Pterid. (1836) p. QQ ; Kunze, 

 Anal. Pterid. (1837) p. 43. 



Cystopteris Perriniana Link * Hort. Berol. II. p. 131.' 



Woodsia Perriniana Hook, et Grev. Ic. Fil. I. tab. 68 ; Fee, Gen. 

 Fil. (1850-52) p. 338. 



Cystopteris albescens Link (1841). 



Caudex short ; roots delicate, black, with short rootlets. Stipes erect, 

 stramineous but fulvous at the base, disparsed with lanceolate thinly mem- 

 branaceous isabel-coloured scales, 6-10 cm. long. Frond broadly lanceolate, 

 membranaceo-herbaceous, minutely glandular, nearly bipinnate, about 9-15 

 cm. long, .3-5 cm. broad ; pinnse remote, spreading, subopposite, subsessile, 

 deltoid-ovate, but narrower in the superior ones, obtuse, nearly truncate at the 

 base, deeply pinnati-parted, the middle ones larger ; pinnules a little remote, 

 nearly patent, oblong or oblong-ovate, obtuse, sessile, crenato-lobate, but the 

 lower ones deeply lobate and extremely shortly petiolate ; lobes oval, cre- 

 nulate ; veins free, pinnate ; veinlets free, loosely pinnate or forked ; rachis 

 slender, minutely glandular. Sori small, intramarginal, dorsal and subter- 

 minal on the veinlets ; indusium of a few unequal-sized concave and toothed 

 lobes, thinly membranaceous, fragile, pale rufous, at first subglobose and 

 protecting the sporangia, afterwards spreading. Sporangia : the case glo- 

 bose, the pedicel very short. 



Nom. Jap. Ise-denda (nov.) 



Hab. Prov. Ise : Hawaka-mura in Suzuka-gori {M. Kawasahi ! June 

 1903). 



New to the Flora of Japan, rare. 



Distrib. North America and Iceland. 



Hutchinsia (Noccaea) alpina (Linn.) R. Br. in Ait. Hort. Kew. ed. 

 2, IV. p. 82 ; DC. Syst. II. p. 389, et Prodr. I. p. 178 ; Spreng. Syst. 

 Veg. II. p. 863 ; Koch, Syn. Fl. Germ, et Helv. ed. 3. p. 63 ; Prantl in 

 Engler et Prantl, Nat. Pfl.-Fam. IIL 2, p. 188. 



Lepidium alpinum Linn. ' Cent. PI. II. p. 23' ; Id. 'Amoeu. Acad. IV. 

 p. 321' ; Id. Sp. PI. ed. 2, p. 898 ; Richt. Cod. n. 4681 ; Houtt. Nat. Hist 



