ARISTOLOCHIACE.E. 147 



complanatis plus quam 1 mm. latis infra apicem clorso stigma tiferis, stigmatibus 

 globosis lateralibus ; partibus apicalibus carpellorum ultra stigmata procluctis J 

 vel ^ mm. longis interdum 2-lobatis. 



HAD. Shichiseitonzan, leg. S. SASAKI, Mart. 1907. 



Nearly the same as A. taitonense HAYATA in the floral structure, but dis- 

 tinguishable from it by the auriculiformed lobes of the cordate leaves which 

 are purpurascent on the under surface. 



Asarum leptophyllum HAYATA sp. nov. Ehizonia repens teres 3 mm. in 

 diametro subhirsutum reliquo basis petioli notatum sursuni caulescens remote 

 2-3 foliatum et sirnul squamatum, foliis 2-3 a se circ. 1 cm. reniotis, squamis 

 2-3 cum foliis intermixes, squamis ovatis sessilibus apice acutis basi caulem 

 amplectantibus intus supra subglabris subtus ad nervos crispato-ciliato-hirsutis 

 margine dense hirsutis, pilis crispatis, partibus rhizomatis caulescentibus dense 

 crispato-hirsutis 2-3 cm. longis apice folia duo gerentibus ad apicem rlorem 

 unum gerentibus. Folia longe petiolata, petiolis 9-1 2 cm. longis dense crispato- 

 liirsutis 1^ mm. latis, lamina cordato-oblonga circ. 10cm. longa circ. 5 cm. lata 

 apice triangulari-acuta basi auriculato-cordata, lobis cordis (ab apice petioli 

 usque ad apicem lobi cordis) 2-3 J cm. longis 2-3^ cm. latis apice perfecte 

 rotundatis vel obtuso-rotundatis, siuibus inter lobos cordis acutis vel obtusis 

 y\-formibus, tenuiter membranacea margine subintegra remote minuteque in 

 exsiccato fuscenti in vivo fusco-viridescenti hand albo-variegata subtus pallida 

 utraque pagine nitenti sparse hirsuta 5-nervia vel obscure 7-nervia, nervis 

 lateralibus tenuissimis recurvo-arcuatis, reticulis veiiularum utroque vix vel haud 

 visis. Flores pallido-virides quasiterrninales solita.rii ex axilla inter folia api- 

 calia duo oriundi, pedicellis 1cm. longis hirsutis, pilis longiusculis crispatis. 

 Perianthium extus barbatum, partibus tubi cum ovario adnatis serni-rotundatis 



6 mm. longis 8 mm. latis plus barbatis, partibus tubi supra ovarium exsertis 



7 mm. longis 7 mm. latis ad orein plus minus constrictis extus minus barbatis 

 intus subglabris vel pilis punctiformibus notatis, lobis perianthii lirnbi virides- 

 centibus triangulari-lanceolatis apice caudigeris cum caudis 23 mm. longis basi 

 latissimis vel plus minus contractis 5 mm. latis, caudis linearibus 10-1 3 mm. 

 longis, margine integris extus barbatis intus dense minute botryoideo-punctatis 

 vel brevissime pubescentibus ; lobis perianthii jam anthesin patentibus post 



