bus dense vcl patce obtccta : pinnae scssiles, utrinsccus usque 23 a rachi liberae, 

 supremae tantum coalitae, oblongo-lanceolatae, basi tiuncatae vel oblique trun- 

 catae, rachi sub-alato-decurrentes apice sensini acuniinatae, 6-1 i cm lon<^ae, supra 

 glabrae, subtus praeter nervas paleaceae, margine aequaliter serrato-crenatae ; 

 venae pinnatae. Sori parvi, numerosi, plerumque 3 utrinsecus venas, prope inar- 

 gines despositi. Tndusium orbiculari-cordatuni, maturuni contractum, margine 

 integrum. 



NoM. Jap. Okushiri-kvaliego. (nov.). 



Hab. Hokkaido. Prov. Shiribeshi : Tsl. Okushiri : by the source of a stream, 

 between Tsurikake and Poronai (Y. Kudo! n. 2178, Aug. 4, i8i6). 



DisTRiB. Endemic plant ! 



This species is nearly related to Dryopteris cycadena C. Chr. as well as to 

 Drywpteris hirtipes O. Ktze. But it is easily distinguished from both of them by 

 its smaller sori, which are arranged near the margins of pinnae, as well as by its 

 brown scales. 



103. Athyrium crenatum Rupr., Nyland. Spicil. PI. Fenn. II. (1844) p. 

 14; P'r. Schm. P'l. Sachal. (Russian edition) p. 225; H. Chr. P'ernk. d. h^rde p. 

 225; Diels, in Engl. Nat. Pfl.-Fam. I. 4. p. 224; Kom. Fl. Mansh. I. p. 135 ; C. 

 Chr. Ind. p'il. p. 140; Miyabe & Miyake, Fl. Saghal. p. 631. 



Aspidimn crenatum Sommerf., Veg. Ak. Hand. (1834J p. 104. 



Aspleniuvi crenatinn Fries, Surnma Veg. I. p. 253; Hook, et Pak. S\'n. Fil. p. 

 224; Ledeb. P'l. Ross. IV. p. 518; Rgl. et Til. F'l. Ajan. p. 128; Maxim. Prim. 

 Fl. Amur. p. 340; Fr. Schm. Fl. Amg. p. 74; Korsh. Acta Hort. Peterop. XII. 

 p. 427. 



Aihyrium mite H. Chr., Bull. Acad. Geogr. Bot. Mans. (1909) p- 36; C. Chr. 

 Ind. Fil. Suplement. p. 15. 



NoM. Jap. Miyamashida. 



Hab. Hokkaido. Prov. Ishikari : Garugawa (Y. Takenouchi ! June 26, 1912). 



Sai^halin. Odomari-district : Kiniouai (U. Faurie, n. 317! Sept. 1908). — 

 Shikka-district : Higashiyama ( T. Miyake! Aug. 28, 1906); Buriu (T. Miyake! 

 Aug. 24, 1906). 



DisTRiB. Saghalin, Hokkaidd, Ho:ishu, Manchuria, Amurland, Dahuria, 

 Siberia, Kamtschatca and Europe. 



