Observations on the Flora of Japan 



(Continued from p. 84.) 



By 

 T. Makino. 



Assistant in th° Botanical Institute, Science College, 

 Imperial University of Tokyo. 



Zanthoxylum Hemsleyanum Makino nom. nov. 



Zanthoxylum emarginellum Hemsley in Ann. Bot. IX. (1895) 

 p. 149; Bretschn. Hist. Europ. Bot. Disc. China (1898) p. 36; 

 Henry, List. PI. Formos. p. 25, non Miq. 



Fagara emarginella Engl, in Engler et Prantl, Nat. Pfl.-Fam. 

 III. 4 (1896) p. 118, non Zanthoxylum emarginellum 

 Miq. 



Zanthoxyllum sp. Hemsl. in Journ. Linn. Soc. XXIII. p. 108 

 (1886). 



Hab. Formosa. 



Distrib. China. 



Zanthoxylum emarginellum Miq. Ann. Mus. Bot. 

 Lugd.-Batav. III. (1867) p. 22, et Prol. Fl. Jap. p. 210; Franch. 

 et Snv.Enum. PI. Jap. I. p. 73. ^Zanthoxylum ailanthoides 

 Sieb. et Zucc. Fl. Jap. Fam. Nat. in Abhandl. Akad. Muench. 

 IV. 2 (1843) p. 138; Miq. Ann. Mus. Bot. Lugd.-Batav. III. p. 

 22, et Prol. Fl. Jap. 210; Franch. et Sav. Enum. PL Jap. I. p. 

 72; Forbes et Hemsl. in Journ. Linn. Soc. XXIII. p. 105; Henry, 

 List PI. Formos. p. 25. 



Fagara ailanthoides Bugler in Engl, et Prantl, Nat. Pfl.-Fam. 

 111. 4 (1896) p. 118. 



Hab. Japan; common in the southern parts. 



Z. emarginellum Miq. is unqucsionably the juvenile from of 

 Z. ailanthoides Sieb. et Zucc. In the former the petiole, rachis, 

 costa fin the under surface of leaflets) and even the stem arc 



