148 AllISTOLOCHIACE^. 



anthesin erectis semiclausis. Stamina 12 supra ovarium sita et eo affixa, fila- 

 mentis a basi styli liberis, partibus liberis 1^ mm. lougis complanatis glabris, 

 antheris linearibus 1 mm. longis, counectivis apicc valcle productis, partibus 

 procluctis ^-^ mm. longis. Ovarium viricle fere inferius, partibus ovarii cum 

 tubi perianthii adnatis 5 mm. longis, partibus liberis superioribus cum stylo 

 4 mm. longis, stylo valiclo erecto columniformi 2 mm. longo 1 mm. lato pro- 

 funcle 6-sulcato glabro apice 6-lobato, lobis brevissime patentibus apice ad 

 latus exterius stigniatosis. 



HAB. Arisan, Mart. 1914, leg. B. HAYATA et T. ITO. 



Near Asarum caudigerum HANCE, Bot. Mag. t. 7126; but distinguishable 

 from it by the light greenish flowers ; in S. caudigerum, the lobes of the 

 perianth are reddish inside. 



Asarum leptophyllum HAYATA var. triangulare HAYATA n. v. Folii 

 lamina triaugularis 6-7 cm. longa 8cm. lata apice triaugulari-acuta basi latissi- 

 rne cordata (vel tenuissime hastata), lobis cordis apice rotuudatis, herbaceo- 

 membranacea utraque pagiiie rufo-hirsuta 7-5-nervia, nervis subrectis vel 

 arcuatis. Flores apertientes lion visi. Bacca depresso-globosa 13 mm. longa 

 15mm. lata apice lobis perianthii persistentibus corona ta. Semina oo uitid<>- 

 nigra nitida 4 mm. longa 2| mm. lata in anibitu ovata apice obtusa basi 

 rotundato-traiicata dorso valde convexa facie valcle concava utroque latere basi 

 valde interiore recurva arillos amplectantia, arillis membrauaceis irregulariter 

 rnulto plicatis nigricantibus, testa coriacea; albumen copiosuui, embryo minutus 

 ad apicem albumiuis situs. 



HAB. Arisan : Eunkiko, leg. T. Ito et B. HAYATA, Mart. 1914. 



Differs from the type by the nearly triangular leaves. 



Asarum taitonense HAYATA sp. nov. Rhizoma repens. Folia solitaria, 

 petiolis 8-9 cm. longis crispato-hirsutis, lamina 4| cm. louga totiusque lata 

 profunde cordata, lobis cordis plus minus divaricatis, sinibus cordis JYV-formibus, 

 margine Integra prope et ad marginem dense ciliolata supra viridissima inter 

 medium et marginem albo-marrnoreo-maculata ad nervos tenuissime hirsuta 

 subtus pallidissima palmato-pedatim 7-nervia ad nervos hirsuta apice trian- 

 gulari-obtusa ad summum minute mucronata membranacea plus minus crassius- 

 cula. Flores e basi petioli oriundi solitarii, pedicellis 7mm. longis nutantibus 



