24 w 3'>«: r. flV,j--rü « iö: M 4*i /ix *■!• v 1 1 1. 



bus dense \-cI piticc obtccta : pinnae sessiles, utrinsccus usf]iie 23 a rachi liberae, 

 suprcinae tantum coalitae, oblongo-lanceolatae, basi tiuncatac vel oblique trun- 

 catae, rachi sub-alato-decui rentes a]iice sensim acuniinatac, 6-1 i cm longae, supra 

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

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

 gines despositi. Indusiuni oibiculari-cordatum, niatnruni contractuin, margine 

 integrum. 



NoM. Jap. Okushiri-iwahcgo. {x\a\\). 



IIab. Hokkaido. Prov. .Shiribeshi : Isl. (^kushiri : by the source of a stream, 

 between Tsurikake and Poronai (Y. Kudn! n. 2178, Aug. 4, 1816). 



DisfKiB. Endemic plant ! 



This species is nearly relatefl to Dryo/yteris cycadena C. Chr. as well as to 

 Dryoptcris hirti[>es O. Ktze. But it is easily distinguished from both of them by 

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

 brown scales. 



103. Athyrium crenatum Kupr., Nyland. Spicil. PI. l-'enn. II. (1844) p. 

 14; Fr. Schni. Fl. Sachal. (Russian edition) p. 225 ; H. Chr. P'ernk. d. Frde p. 

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

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



Aspid'uiin crenatum Sommerf., \'eg. Ak. Hand. (1834^ p. 104. 



Aspleinuni crenatuni F"ries, Summa Veg. I. p. 253; Hook', et >5ak. .Syn. FU. p. 

 224; Ledeb. Fl. Ross. IV. p. 518; Rgl. et Til. Fl. Ajan. p. 128; Maxim. Prim. 

 Fl. Amin-, p. 340; Fr. Schm. P^l. Amg. p. 74; Korsh. Acta Hort. Peterop. XII. 

 p. 427. 



Athyriian mite H. Chr., Bull. Acad. Geogr. Rot. Mans. (1909) p. 36; C. Chr. 

 Ind. Fil. Suplement. p. 15. 



NoM. Jap. Miyamasliida. 



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



Sa,s;lialin. Odomari-district : Kimonai (U. Faurie, n. 317! Sept. 1908).— 

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

 Aug. 24, 1906). 



DiSTRiB. Saghalin, Hokkaido, Honshu, Manchuria, Amurland, Dahuria, 

 Siberia, Kamtschatca and Europe. 



