GENERAL ASPECTS OF THE FLORA OF JAPAN. 93 



Eafflesiaceae 

 Mitrastemon Yamamotoi Mak. Tlie ou]y congener exists in 

 Formosa. 



Cercidipbyllaceae 



Cercidiphyllum japonica S. et Z., comprising two species 

 and possibly constituting a genus endemic to Japan. 



Trochodendraceae 

 Troclwdendron arcdioides S. et Z., constituting a monotypic 

 genus which exists outside of Japan only in the Loo-choo Islands 

 and Formosa. 



Eanunculaceae 

 Aneononopsis macropliylla S. et Z., constituting a monotypic 

 and endemic genus. 



Glaucidium ■pcdmatum S. et Z., constituting a monotypic 

 and endemic genus. 



Berberidaccae 

 JRcwzam'a Japonica Ito, constituting a monotypic and ende- 

 mic genus. 



Lauraceae 

 C'innamomnoii Campliora Nees. et Eberm., existing only in 

 China, Formosa and Japan. 



Papaveraceae 



rteridophyllum racemosum S. et Z., constituting a monotypic 

 and endemic genus. 



Saxifragaceae 



Cardiandra alternifoUa S. et Z. One congener exists in 

 China, and another in Formosa. 



Deinanthe bifida Maxim., constituting a monotypic and 

 endbuiic genus. 



K'irengeshoma palmata Yatabe, constituting a monotypic 

 and endemic genus. 



Pkdycrater argida f>. et Z., constituting a monotypic and 

 endemic genus. 



Schizophragma h/jdrangeoidcs S. et Z. One congener exists 

 in China and another in Formosa. 



Tanalzaea radicans Fr. et Sav., constituting a monotypic 

 and endemic genus. 



