— 20 



in Bull. Acad. Sci. St. Petersb. XVII, p. 164 (1872) in observatione. 



Nom. Jap. Okuyezo-Saishin (F. Maekawa ex Hara 1934). 



Hab. Sachalin et Yezo. 

 2-a) Asiasarum heterotropoides var. seoulense F. Maekawa comb. nov. 

 Syn. Asarum Sieboldi var. seoulense Nakai in Fedde, Repert. Sp. Nov. Regn. 

 Veget. XIII, p. 267 (1914), in Bot. Mag. Tokyo XXVIII, p. (519) (1914)-Mori, 

 Enum. Corean PI. p. 128 (1922)-Nakai, Koryoshikenrin no Ippan p. 31 (1932). 



Asarum Sieboldi (non Miquel), Forbes et Hemsley in Journ. Linn. Soc. Lon- 

 don, XXVI, p. 360 (1891) (quoad pi. ex Seoul Mountain)-PALiBiN in Acta Horti 

 Petrop. XVIII-2, p. 185 (1900) (Cospect. Fl. Kor. II, p. 39) (Quoad pi. ex montes 

 prope Seoul), lc. XIX p. 149 (1901) (Cospect. Fl. Kor. Ill, p. 49)-Nakai in Journ. 

 Coll. Sci. Imp. Univ. Tokyo, XXXI, p. 175 (1911) (Fl. Kor. II). 



Flowers of Asiasarum heterotropoides var. seoulense. 

 Notice that the lobes of perianth reflexed remarkably. 

 Photograph was taken from the living specimens sent 

 by Mr. To-H6-Syo from Keizyo (or Seoul). 



Rhizoma ascendens, internodiis 1-5 mm. longis 2-4 mm. latis, carnosum viridulum 

 vel purpurascens. Squamae 2 vel 3, intima maxima latissima ovata vel rotundato- 

 ovata apice suspe obtusissima vel truncata purpurascens herbacea 7-10 mm. longa. 

 Folia bina approximata erecta vel erecto-patentia ; petiolus elongatus longitudine 

 laminam superans 12-20 cm. longus toto vel prope basin atque apicem scabro- 

 pubescens viridis vel sordide purpurascens. Lamina ovato-cordata vel cordato- 

 auriculata 5.5-12 cm. longa 7-13 cm. lata apice acuta vel subacuminata basi pro- 

 funde cordata, lobis basalibus apertis semiglobosis 2-3.5 cm. longis, supra viridis 

 vel luteo-viridis opaca per totam paginam vel ad venas tantum brevissime dense- 

 que ciliolata, subtus paulum pallidior dense raro sublaxe molliter crispato-hirsuta. 

 Flos inter folia terminalis pedunculatus, 12-19 mm. latus erectus vel subdeclinatus 

 viridi-purpureus vel purpurascens. Pedunculus erectus gracilis viridis saspe cilio- 

 latus. Calycis tubus trapezoideo-urceolatus extus glaber intus costatus, costis 18- 



