1 22 '.■^ "i!-x m—^ ®! a tt ä-^j ,£ 4'\- VI. 



Hah. Ho'cvauiö. Prov. Isliikari : Sa-oporo (K. Miyahc ! 187.S, S. Su^iyama ! '' 

 1882). 



DisTKiH. Hokkaido. North Asia, Europe and North .America. 



69. Ophioglossum nipponicum Miyabe ct Kudo. nom. nov, 

 Opkioglossuiii jaf'oiiic?iin Prantl, Ber. Deut. Itot. Ges. I. (1883) p. 353 et Jahrb. 



Bot. Gart. u. Mus. P>eriin III. p. 327 t. 8. f. 29 ; Bitter in Engl. u. Prantl, Nat. Pfl. 

 Farn. I. 4. p. 468 ; C. Chr. Ind. P"il. p. 471 ; Matsum. Ind. PI. Jap. I. p. 330 (non 

 Thunb.). 



Ophioglossmn niidicanle H. Christ, Bull. Herb. Boiss. IV. p. 657 ; Makino, Bot. 

 Mag. Tokyo XII. p. (376) (non L. f.). 



NoM. Jai'. Ko/iaiiayasnri. 



Hab. Hokkaido. Prov. Iburi : Usu-dake (S. Hashimoto ! ^' 1890). — Prov. Hi- 

 daka : Horoizunii (Y. Tokubuchi ! 1892). 



DiSTKiii. Hokkaido and Honshu. 



The name 0/yhioglossiiin japoiiiciiin lias airead)' been used by Thunberg for 

 Lygodiiim japo)ucHin in 1784. We arc therefore obligetj to propose the above 

 change in its nomenchiture. 



BOTRY0HIÜM Swartz. 

 Key to the Species o'i Botrychimii of Hokkaido and Saghalin. 



I Sterile frond oblong-ovate or deltoid-ovate, longer than broad, simply pinnate. Bud hairless. . . .2 

 I 

 I Sterile frond broadly deltoid, shorter than broad, ternately 3-pinnate. Bud hairy 4 



\ Commonstalk hypogean B simplex. 



2( 



( Commonstalk epigean 3 



I Fertile frond long stalked. Pinnae of sterile frond lunate or fan-shaped B. Lunaria. 

 Fertile frond sessile. Pinnae of sterile frond linear-lanceolate to oblong-lanceolate, entire, 

 incised or pinnatifid B. lanceolattiut. 



I Commonstalk hypogean. Sterile frond coriaceous B. MAtricariae. 



I Commonstalk epigean. Sterile frond inembranaceous 5 



I Fertile frond bipinnate, much longer than the sterile frond B. virginiannm 



I Fertile frond simply pinnate, sl-.orter or a little longer than the sterile frond B. strictiim. 



70. Botrychium simplex Hitch. Amer. Jour. Sc. VI. (1823) p. 103 ; Milde, 

 Fil. Europ. Atl. p. 197; Hook, et Bak. Syn. Fil. p. 447; Britt. & Brown, 111. Fl. 



1) *gUlf^?iL 2) fig *& EBP. 



