i66 N ffl— ^ 5fi I'l M M. Xv\ ^ M 



^^I^J:hMflJ55 East Siberia 86 ^, 



T u - )^^ ^ ffl5^^'I» Amur, Manchuria 78 |f . 



^t/iv, ^^^^jf, • N. America. Araska. (incl. Aleutian) nt ft 



;/)n &t f^ ^n Kamtschatka 69 ^f 



% '^ Korea 62 |i 



P&^ '^'I'l Europe 62 |f 



'< - 9 ^'j^" Behring 32 5@ 



^MM 69 fi 40.8^/. D^MI^am-^'N 62 ft 37. 9/. ^nit^tf 6 o 

 :^^ !)o *nM#;jD^igt^^l:^mi^:ftn^6^ 95 @ 51 ^/° ^ f>o 



^jfitllSS Miyabe (12) The Flora of the Kurile island. (1890) p. 212. C7)^|^lCl^ 



-t:0< 



"From these observation, I agree with Profe.^sor Milne in the opinion that at tlie time of the last great 

 southerly migration of the rich i)olar flora, Japan received her portion mostly througli the island of 

 Saghalin, and but little, if any, throur^h tlie then uncompleted chain of the Kurile Island." 



Takeda (13) The Flora of the Island of Shikotan. (191 4.) p. 445. ICj^H^-j'^f^:!: 



If so, how could one explain the occurrence of those plants : — 



1, Stellaria ruscifolia, 2. Gcum calthifolium, 3, Erigeron salsuginosus, 4. Arnica unalaschkensis, 

 5. Swertia tetrajielala, 6. Polyi^onum vi\ ii>arum, 7. P. polymorphum, 8. Euphrasia mollis, 



