— 72 — 



Неге I give a comparison of the notions of Mr. Yabe with mine; 

 I use the same rubrics which are noted by this author: * 





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Data given by 



























Yabe. 



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Data given inj 



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present article j 



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— 1? 







§ 10, on the introduced species. 



In Japan, according to the Japanese literature, there is no 

 „casual" or „colonist" ^ species of this genus. 



It is possible to expect — I have no doubt — that Б. rotundi- 

 folium, L. excl. var. ß will be introduced into Japan in the 

 nearest future. This plant in its native country, in Asia Minor and 

 Caucasus, Avhere I have collected it myself, appears neither „ca- 

 sual", nor „colonist" and grows on dry slopes or „stepp"— bushes. 

 Out of the limits of its primary area the plant becomes a compa- 

 nion of man. It is widely distributed as colonist in Eastern Europa, 

 Mediterraneum, in East European Russia; besides it has been 

 brought to many other places: to Siberia ^, Australasia '*, 

 and North America. In North America this species is distributed 



1 Yabe 1. с 106. 



- W a t s n's terminology. 



3 Prov. Tomsk! 



4 See "Wolff's Monograph. 



