148 ARISTOLOCHIACE.E. 



antliesiii erectis semiclaiisis. Stamiua 12 .supra ovarium sita et eo affixa, iila- 

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

 antheris linearibus 1 mm. longis, connectivis ajiice valcle iiroductis, j^artibiLS 

 productis ^-|mm. longis. Ovarium viride fere iuferius, partibus ovarii cum 

 tubi perianthii adnatis 5 mm. lougis, partibiLs liberis superioribus cum stylo 

 4 mm. longis, stylo valido erecto columuiformi 2 mm. longo 1 mm. lato pro- 

 funde 6-sulcato glabro apice 6-lobato, lobis l)revissimo patentibus apice ad 

 latus esterius stigmatosis. 



Hab. Ai-isan, Mart. 1914, leg. B. Hayata et T. Ito. 



Near Asarum caudigerum Hance, Bot. Mag. t. 7126; but distiuguishable 

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

 periantli are reddish iuside. 



Asarum leptophyllum Hayata xar. triangulare Hayata n. v. Fohi 

 lamina triangularis 6-7 cm. longa 8cm. lata apice triangulari-acuta basi latissi- 

 me cordata (vel tenuissime hastata), lobis cordis apice rotundatis, herbaceo- 

 membranacea iitrac[ue pagine rufo-hirsuta 7-5-nervia, uervis subrectis vel 

 arcuatis. Flores aijertientes non visi. Bacca depresso-globosa 13 mm. longa 

 15 mm. lata apice lobis perianthii persisteutibiLs coronata. Semiua co nitido- 

 nigra nitida 4 mm. longa 2| mm. hxta iu ambitu ovata apice obtusa basi 

 rotuudato-truncata dorso valde convexa facie valde concava utroq[ue latere basi 

 valde intcriore recm-va arillos amplectantia, arillis membranaceis in-egulariter 

 multo iilicatis nigricautibus, testa coriacea; albumeu copiosum, embrvo miuutus 

 ad apicem albuminis situs. 



Hab. Arisan : Eunldko, leg. T. Ito et B. Hayata, Mart. 1914. 



Diflers from the typi- by the nearly triangidar leaves. 



Asarum taitonense Hayata sp. nov. Ehizoma repens. Folia solitaria, 

 petiolis 8-9 cm. longis crisjiato-liirsutis, lamina 4^ cm. longa totiusque hita 

 profunde cordata, lobis cordis phis miuiLS divaricatis, sinibus cordis lYV-formiljiL^, 

 mai-gine integra proiie ct ad marginem dcnse ciliolata supra viridissima inter 

 medium et margiuem albo-marmoreo-maculata ad nervos teniussime hirsuta 

 subtus iialHdissima palmato-pedatim 7-nervia ad uervos hirsuta apice trian- 

 gulari-obtusa ad summum minute mucronata membranacea phis minus crassiiLs- 

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



