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THE BOTANICAL MAGAZINE, 

[Wol. VWHHI. August 20, 1894. NO. 990.) 




JAPANESE SPECIES OF BETULA. 
By Mitsutard Shirai. 
There are mentioned in Franchet et Savatier’s “ Enumeratio Plantarum ” 7 species and 2 varieties of Betula, 
and in the Catalogue of Plants in the Herbarium of the Science College of the Imperial University, 5 species 
and 2 varieties. Later in 1888 M. J. Maximowicz described a species (i. e. Betula Ermani, Cham.) and 
a new variety (i. e. Betula Ermani, Cham. var. nipponica, Maxim.) as occuring in Japan. Since that time, 
as far as I know, nothing has been heared about the discovery of any new Japanese species of Betula. In the 
winter of 1893, I had the opportunity to discover an entirely new species and a variety new to the Japanese flora, 
on Mount Mitsumine in the province of Musashi. Besides, through the kindness of Mr. T. Makino of the 
Imperial University I was able to examine a specimen of Betula from Yamagata district, in the province of 
Uzen, which seems to be Betula Bhojpattra, Wall. var. Jacquimontii, Regel, also new to our flora. Adding 

Mee pees neal 


