ARISTOLOCHIACE /E. 



139 



Somewhat allied to Aristolochia Fprdiana HEMSL. in Journ. Bot. (1885) p. 

 286, and Aristolochia Kcempferi, "but differs altogether from them in having 

 deeply 7-9-lobate leaves. 



Asarum LINN. 



Asarum albomaculatum HAYATA. 

 sp. nov. (Fig. 51). Ehizoma repens dense 

 radicans, radicibus teretibus incrassatis 

 circ. 2mm. in diametro, cicatricibus foli- 

 orum semi-annuliforniibus notatum apice 

 caulescentes. Caulis suberectus circ. 1cm. 

 longus subglaber 2-3-foliatus, foliis ge- 

 neraliter sursuni congestis cum squamis 

 intermixtis, squamis 2-3 caducissimis tri- 

 angulari-oblongis apice acutis membrana- 

 ceis in exsiccato semi-hyalinis reticulato- 

 nervosis basi latissimis caulem amplectan- 

 tibus. Folia longe petiolata, petiolis 3-6 

 cm. longis subglabris teretibus 1-1^ mm. 

 in diametro basi plus minus dilatatis cau- 

 lem semi-amplectantibus intus subsulcatis 

 ad sulcos breve pubescentibus, lamina cor- 

 dato-oblongo-triangulari (ab apice petioli 

 usque ad apicern laminae) 7-5 cm. longa 

 5J-3 \ cm. lata apice triangulari-acuta vel 

 plus minus cuspidato-acuta ad summum 

 breve apiculata basi auriculato-cordata, 

 auriculis vel lobis cordis (a fundo sinus 

 inter lobos cordis usque ad a'picem lobi 

 cordis) 2-2|cm. longis l^-2Jcm. latis 

 apice rotunda tis, sinibus inter lobos cor- 

 dis J^-formibus latioribus interdum an- 

 gustioribus, margine remote brevissime 

 hirtella, pilis ascendentibus ^mm. longis rt-formibus, j>agine utraque subglabra 



Fig. 51, Asarum albomaculatum 

 HAYATA; a, a leaf; b, a flower; c, 

 perianth, expanded; d, a stamen; e, 

 stigmata and anthers ; f, g, h, a stigma, 

 seen from different sides. 



